OA18784A - Redispersion of schizophyllan. - Google Patents
Redispersion of schizophyllan. Download PDFInfo
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- OA18784A OA18784A OA1201800098 OA18784A OA 18784 A OA18784 A OA 18784A OA 1201800098 OA1201800098 OA 1201800098 OA 18784 A OA18784 A OA 18784A
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- OA
- OAPI
- Prior art keywords
- mash
- polysaccharide
- concentration
- homogenization
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- 229920002305 Schizophyllan Polymers 0.000 title abstract description 39
- WDQLRUYAYXDIFW-RWKIJVEZSA-N (2R,3R,4S,5R,6R)-4-[(2S,3R,4S,5R,6R)-3,5-dihydroxy-4-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-6-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxy-6-(hydroxymethyl)oxane-2,3,5-triol Chemical compound O[C@@H]1[C@@H](CO)O[C@@H](O)[C@H](O)[C@H]1O[C@H]1[C@H](O)[C@@H](O[C@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)[C@H](O)[C@@H](CO[C@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)O1 WDQLRUYAYXDIFW-RWKIJVEZSA-N 0.000 title abstract description 35
- 229920001282 polysaccharide Polymers 0.000 claims abstract description 156
- 150000004676 glycans Polymers 0.000 claims abstract description 155
- 239000005017 polysaccharide Substances 0.000 claims abstract description 155
- 150000004804 polysaccharides Polymers 0.000 claims abstract description 155
- 235000006085 Vigna mungo var mungo Nutrition 0.000 claims description 148
- 240000005616 Vigna mungo var. mungo Species 0.000 claims description 148
- 238000010790 dilution Methods 0.000 claims description 103
- 238000000265 homogenisation Methods 0.000 claims description 81
- 238000002156 mixing Methods 0.000 claims description 69
- 239000007788 liquid Substances 0.000 claims description 56
- 239000002245 particle Substances 0.000 claims description 31
- 229920002498 Beta-glucan Polymers 0.000 claims description 18
- 238000007792 addition Methods 0.000 claims description 12
- 239000011435 rock Substances 0.000 claims description 12
- 238000007865 diluting Methods 0.000 claims description 7
- FYGDTMLNYKFZSV-WFYNLLPOSA-N (2S,3R,4S,5S,6R)-2-[(2R,4R,5R,6S)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6S)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1[C@@H](CO)O[C@@H](O[C@@H]2[C@H](O[C@H](O)[C@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O FYGDTMLNYKFZSV-WFYNLLPOSA-N 0.000 claims description 5
- GJCOSYZMQJWQCA-UHFFFAOYSA-N Xanthene Chemical compound C1=CC=C2CC3=CC=CC=C3OC2=C1 GJCOSYZMQJWQCA-UHFFFAOYSA-N 0.000 claims description 4
- 230000003247 decreasing Effects 0.000 claims description 4
- 239000002803 fossil fuel Substances 0.000 claims description 4
- 229920001285 xanthan gum Polymers 0.000 claims description 4
- 229920000310 Alpha glucan Polymers 0.000 claims description 3
- 238000005112 continuous flow technique Methods 0.000 claims description 2
- 229920001503 Glucan Polymers 0.000 abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 44
- 239000003921 oil Substances 0.000 description 21
- 239000000654 additive Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 18
- 238000005360 mashing Methods 0.000 description 16
- 239000000243 solution Substances 0.000 description 15
- 239000000203 mixture Substances 0.000 description 14
- 239000011780 sodium chloride Substances 0.000 description 12
- 235000002639 sodium chloride Nutrition 0.000 description 12
- 238000000605 extraction Methods 0.000 description 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 10
- -1 beta-D-glucopyranosyl unit Chemical group 0.000 description 8
- 239000000706 filtrate Substances 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000523 sample Substances 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 7
- WQZGKKKJIJFFOK-VFUOTHLCSA-N β-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 7
- WQZGKKKJIJFFOK-GASJEMHNSA-N D-Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000008103 glucose Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 235000011837 pasties Nutrition 0.000 description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 210000001736 Capillaries Anatomy 0.000 description 3
- KRTSDMXIXPKRQR-AATRIKPKSA-N Monocrotophos Chemical compound CNC(=O)\C=C(/C)OP(=O)(OC)OC KRTSDMXIXPKRQR-AATRIKPKSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N acetic acid ethyl ester Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- WVDDGKGOMKODPV-UHFFFAOYSA-N benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- 229920001222 biopolymer Polymers 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 239000002736 nonionic surfactant Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N oxane Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- 230000002093 peripheral Effects 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- PORQOHRXAJJKGK-UHFFFAOYSA-N 4,5-dichloro-2-n-octyl-3(2H)-isothiazolone Chemical compound CCCCCCCCN1SC(Cl)=C(Cl)C1=O PORQOHRXAJJKGK-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 229940068911 CHLORIDE HEXAHYDRATE Drugs 0.000 description 2
- 229940052299 Calcium Chloride Dihydrate Drugs 0.000 description 2
- WSDISUOETYTPRL-UHFFFAOYSA-N DMDM hydantoin Chemical compound CC1(C)N(CO)C(=O)N(CO)C1=O WSDISUOETYTPRL-UHFFFAOYSA-N 0.000 description 2
- LXCFILQKKLGQFO-UHFFFAOYSA-N Methylparaben Chemical compound COC(=O)C1=CC=C(O)C=C1 LXCFILQKKLGQFO-UHFFFAOYSA-N 0.000 description 2
- 241000222481 Schizophyllum commune Species 0.000 description 2
- FEBUJFMRSBAMES-UHFFFAOYSA-N Scleroglucan Chemical compound OC1C(O)C(O)C(CO)OC1OCC1C(O)C(OC2C(C(OP)C(O)C(CO)O2)O)C(O)C(OC2C(C(CO)OC(P)C2O)O)O1 FEBUJFMRSBAMES-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 230000003115 biocidal Effects 0.000 description 2
- 239000003139 biocide Substances 0.000 description 2
- 239000012496 blank sample Substances 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L cacl2 Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- VOAPTKOANCCNFV-UHFFFAOYSA-M chloride;hexahydrate Chemical compound O.O.O.O.O.O.[Cl-] VOAPTKOANCCNFV-UHFFFAOYSA-M 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N iso-propanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000001103 potassium chloride Substances 0.000 description 2
- 235000011164 potassium chloride Nutrition 0.000 description 2
- 238000011085 pressure filtration Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
- 230000002269 spontaneous Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 229920003169 water-soluble polymer Polymers 0.000 description 2
- AOFUBOWZWQFQJU-SNOJBQEQSA-N (2R,3S,4S,5R)-2,5-bis(hydroxymethyl)oxolane-2,3,4-triol;(2S,3R,4S,5S,6R)-6-(hydroxymethyl)oxane-2,3,4,5-tetrol Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O.OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@@H]1O AOFUBOWZWQFQJU-SNOJBQEQSA-N 0.000 description 1
- DBTMGCOVALSLOR-DEVYUCJPSA-N (2S,3R,4S,5R,6R)-4-[(2S,3R,4S,5R,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-6-(hydroxymethyl)oxane-2,3,5-triol Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](CO)O[C@H](O)[C@@H]2O)O)O[C@H](CO)[C@H]1O DBTMGCOVALSLOR-DEVYUCJPSA-N 0.000 description 1
- VUWCWMOCWKCZTA-UHFFFAOYSA-N 1,2-thiazol-4-one Chemical class O=C1CSN=C1 VUWCWMOCWKCZTA-UHFFFAOYSA-N 0.000 description 1
- DUFKCOQISQKSAV-UHFFFAOYSA-N 2-(2-hydroxypropoxy)propan-1-ol Chemical group CC(O)COC(C)CO DUFKCOQISQKSAV-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- PRKQVKDSMLBJBJ-UHFFFAOYSA-N Ammonium carbonate Chemical compound N.N.OC(O)=O PRKQVKDSMLBJBJ-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VZTDIZULWFCMLS-UHFFFAOYSA-N Ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 description 1
- DVARTQFDIMZBAA-UHFFFAOYSA-O Ammonium nitrate Chemical compound [NH4+].[O-][N+]([O-])=O DVARTQFDIMZBAA-UHFFFAOYSA-O 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N Ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 241001530056 Athelia rolfsii Species 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- 229940041514 Candida albicans extract Drugs 0.000 description 1
- 210000002421 Cell Wall Anatomy 0.000 description 1
- 210000001520 Comb Anatomy 0.000 description 1
- NKDDWNXOKDWJAK-UHFFFAOYSA-N Dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- NUVBSKCKDOMJSU-UHFFFAOYSA-N Ethylparaben Chemical compound CCOC(=O)C1=CC=C(O)C=C1 NUVBSKCKDOMJSU-UHFFFAOYSA-N 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 229920000869 Homopolysaccharide Polymers 0.000 description 1
- WJRBRSLFGCUECM-UHFFFAOYSA-N Hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 description 1
- 229920001543 Laminarin Polymers 0.000 description 1
- 239000005717 Laminarin Substances 0.000 description 1
- 229920001491 Lentinan Polymers 0.000 description 1
- TZIHFWKZFHZASV-UHFFFAOYSA-N Methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 1
- GNSKLFRGEWLPPA-UHFFFAOYSA-M Monopotassium phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 1
- QCDWFXQBSFUVSP-UHFFFAOYSA-N Phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 description 1
- 229960005323 Phenoxyethanol Drugs 0.000 description 1
- 229920001106 Pleuran Polymers 0.000 description 1
- 229920001451 Polypropylene glycol Polymers 0.000 description 1
- QELSKZZBTMNZEB-UHFFFAOYSA-N Propylparaben Chemical compound CCCOC(=O)C1=CC=C(O)C=C1 QELSKZZBTMNZEB-UHFFFAOYSA-N 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M Sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- LROWVYNUWKVTCU-STWYSWDKSA-M Sodium sorbate Chemical compound [Na+].C\C=C\C=C\C([O-])=O LROWVYNUWKVTCU-STWYSWDKSA-M 0.000 description 1
- 239000004283 Sodium sorbate Substances 0.000 description 1
- JNYAEWCLZODPBN-CTQIIAAMSA-N Sorbitan Chemical compound OCC(O)C1OCC(O)[C@@H]1O JNYAEWCLZODPBN-CTQIIAAMSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- USFZMSVCRYTOJT-UHFFFAOYSA-N ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000012223 aqueous fraction Substances 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 229960004365 benzoic acid Drugs 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- 230000037348 biosynthesis Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking Effects 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 235000005824 corn Nutrition 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003596 drug target Substances 0.000 description 1
- 230000002124 endocrine Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229960001617 ethyl hydroxybenzoate Drugs 0.000 description 1
- 235000010228 ethyl p-hydroxybenzoate Nutrition 0.000 description 1
- 239000004403 ethyl p-hydroxybenzoate Substances 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000000727 fraction Substances 0.000 description 1
- 230000002538 fungal Effects 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000001963 growth media Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229940115286 lentinan Drugs 0.000 description 1
- 235000010270 methyl p-hydroxybenzoate Nutrition 0.000 description 1
- 239000004292 methyl p-hydroxybenzoate Substances 0.000 description 1
- 229960002216 methylparaben Drugs 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- QDHHCQZDFGDHMP-UHFFFAOYSA-N monochloramine Chemical compound ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propanol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 235000010232 propyl p-hydroxybenzoate Nutrition 0.000 description 1
- 239000004405 propyl p-hydroxybenzoate Substances 0.000 description 1
- 229960003415 propylparaben Drugs 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 235000019250 sodium sorbate Nutrition 0.000 description 1
- NBDQGOCGYHMDSJ-NRFPMOEYSA-M sodium;(E,3R,5S)-7-[2-cyclopropyl-4-(4-fluorophenyl)quinolin-3-yl]-3,5-dihydroxyhept-6-enoate Chemical compound [Na+].[O-]C(=O)C[C@H](O)C[C@H](O)\C=C\C1=C(C2CC2)N=C2C=CC=CC2=C1C1=CC=C(F)C=C1 NBDQGOCGYHMDSJ-NRFPMOEYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000012138 yeast extract Substances 0.000 description 1
- 239000002888 zwitterionic surfactant Substances 0.000 description 1
Abstract
The present invention relates to a method for preparing a concentrated polysaccharide mass, in particular a method for preparing concentrated glucan or schizophyllan, in particular a method for redispersing glucan or schizophyllan for producing a ready-to-use mass.
Description
Field of the invention
The present invention relates to a method for preparing a concentrated polysaccharide mass, in particular a method for preparing concentrated glucan or schizophyllan, in particular a method for redispersing glucan or schizophyllan for producing a ready-to-use mass.
Background of the invention
The most varied methods are used for obtaining crude oil. In the development of oil fields, only a part of the available oil may be obtained by spontaneous extraction. After a spontaneous extraction, however, a significant part of the oil remains in the rock. This is what is termed primary extraction, in which the oil cornes out of the ground spontaneously without further influence, and therefore leads only to a partial exploitation of the oil reserves. However, the yield can be increased by separating the oil in the rock by displacement processes, as is performed, for example, in the context of what is termed secondary extraction. However, in this case, considérable amounts of oil reserves still remain in capillary rock channels, which oil reserves cannot be separated by a simple pumping or displacement process. Therefore, in the context of what is termed tertiary extraction for example, a liquid having defined rheological behavior is introduced into the rock strata and the capillary channels thereof, in order to displace the crude oil from the capillaries also. For the production of such liquids, polymers of natural origin are also used. Suitable thickening polymers for a tertiary oil extraction must meet a number of spécifie requirements. In addition to a sufficient viscosity, the polymers must also be very stable thermally, and the thickening effect thereof must also be retained at high sait concentrations. An important class of polymers of natural origin for polymer flooding for obtaining oil comprises polysaccharides, in particular branched homopolysaccharides, that are obtained from glucose, for example beta-glucans. The aqueous solutions of such beta-glucans hâve advantageous physicochemical properties, in such a manner that they are particularly suitable for polymer flooding of oil-comprising rock strata. Therefore, beta-glucans are suitable as thickeners in the field of tertiary oil extraction.
Beta-glucans are components of cell walls in several microorganisms, in particular in fungi and yeast (Novak, Endocrine, Metabol & Immune Disorders- DrugTargets (2009), 9: 67-75). From the biochemical aspect, beta-glucans are non-cellulosic polymers of beta-glucose linked by beta(l-3)-glycosidic bonds that hâve a defined branching pattern with beta-(l-6)-linked glucose molécules (Novak, foc. ciL). A multiplicity of closely related beta-glucans has a similar branching pattem sudi as/e.'g^ schizophyllan, scleroglucan, pendulan, cinerian, laminarin, lentinan and pleuran, which ail hâve a linear main chain of beta-D-(l-3)-glucopyranosyl units with a single beta-D-glucopyranosyl unit which is (l-ô)-linked to a beta-D-glucopyranosyl unit of the linear main chain, with a mean degree of branching of approximately 0.3 (Novak, loc. cit.; EP-Bl 463540; Stahmann, Appl Environ Microbiol ( 1992), 58: 3347-3354; Kim, Biotechnol Letters (2006), 28: 439-446; Nikita, Food Technol Biotechnol (2007), 45: 230-237). At least two of said beta-glucans - schizophyllan and scleroglucan - even hâve an identical structure and differ only slightly in molecular mass thereof, i.e. in their chain length (Survase, Food Technol Biotechnol (2007), 107-118).
For the use in displacement liquids, beta-glucan-comprising liquids must be made available at the oil production sites. This poses a transport problem to the operators of the production sites, since considérable amounts of beta-glucan-comprising liquids are required in order to obtain a meaningful tertiary yield. Therefore, operators are increasingly changing over to concentrating the beta-glucan-comprising or polysaccharide-comprising liquids, and so the transport expense is smaller. However, this requires a préparation of the concentrated liquids on site, in which the water fractions removed previously are fed back to the concentrated liquid.
Many processes for producing beta-glucans comprise culturing and fermenting microorganisms that are able to synthesize such biopolymers. For example, EP 271 907 A2, EP 504 673 Al and DE 40 12 238 Al describe a method in which the fungus Schizophyllum commune is fermented by agitation and with air supply in sections.
The culture medium substantially comprises glucose, yeast extract, potassium dihydrogenphosphate, magnésium sulfate and water. EP 271 907 A2 describes a method for separating the polysaccharide in which the culture suspension is fïrst centrifuged and the polysaccharide is precipitated from the supematant with isopropanol. A second method comprises a pressure filtration followed by an ultrafiltration of the résultant solution, without the details of this method having been disclosed. “Udo Rau, “Biosynthese, Produktion und Eigenschaften von extrazellulâren Pilz-Glucanen” [Biosynthesis, production and properties of extracellular fungal glucans], post doctoral thesis, Technical University of Brunswick, 1997, pages 70 to 95” and “Udo Rau, Biopolymers, Editor A. Steinbüchel, Volume 6, pages 63 to 79, WILEY-VCH Publishers, New York, 2002” describe the préparation of schizophyllan by continuous fermentation or fermentation in batch mode. “GIT Fachzeitung Labor 12/92, pages 1233 - 1238” discloses a continuous method for preparing scleroglucans using Sclerotium rolfsii.
For économie reasons, the concentration of the aqueous beta-glucan solution should be as high as possible to keep the costs of transporting the aqueous glucan solutions from the production site to the use site as low as possible, in particular if the préparation is to be performed within short periods of time.
A System is known, for example, from the prior art EP 2 197 974 Al for improving oil extraction, using water-soluble polymers.
In addition, WO 2008/071808 Al discloses a device for producing a water-soluble polymer for tertiary oil recovery.
The document WO 2012/110539 Al discloses a two-stage method for crude oil extraction wherein an aqueous formulation comprising at least one glucan is injected into a crude oil réservoir through an injection borehole, and crude oil is removed from said réservoir through a production borehole. The aqueous formulation is produced in two stages, an aqueous concentrate of the glucan being produced first and the concentration then being diluted with water on-site to obtain the concentration for use.
From the patent application US 2014/364344 Al a system and a method are known to produce an aqueous solution from a powder starting material, the solution being usable in tertiary oil recovery. The system comprises a mixer and a plurality of compartments in a tank. The solution can flow through the compartments or can be deviated around one or more compartments. The aqueous solution is adjusted via its résidence time inside the respective compartments of the system.
Furthermore, EP 2 344 273 Al discloses a method using high shear for producing micronized waxes.
The object of the present invention is to provide a method for redispersing polysaccharides, in particular beta-glucans, that are in concentrated form, in order to obtain an aqueous solution comprising polysaccharides, în particular beta-glucans that is suitable for the use in tertiary oil recovery, as is illustrated by a low FR value, in particular by an FR value < 3.0 determined using a membrane that has a pore size of 1.2 μτη.
Summary of the invention
The invention provides a method for preparing a concentrated polysaccharide mass according to the subject matter of claim I, wherein developments of the invention are embodied by the dépendent claims.
According to an embodiment of the invention, a method for preparing a concentrated polysaccharide mass is provided, wherein the method comprises:
(1) blending (SIO) the concentrated polysaccharide mass having a polysaccharide concentration [cl], to obtain a mash having a polysaccharide concentration [c2], wherein the blending comprises adding a first dilution liquid, and during the blending a particle size of particles of the concentrated polysaccharide mass is decreased and mixing with the first dilution liquid proceeds;
(2) homogenizing (S20) the mash having a polysaccharide concentration [c2], in order to obtain a homogenized mash having a polysaccharide concentration [c3], wherein, during the homogenization, homogenîzation of particles in the mash proceeds;
(3) diluting (S40) the homogenized mash having a polysaccharide concentration [c3], in order to obtain a diluted homogenized mash having a polysaccharide concentration [c4], wherein the dilution comprises addition of a third dilution liquid, wherein the ratio of [cl] to [c4] is in the range from > 1:30 to < 1:20 000.
Preferably, the ratio of [cl] to [c4] is in the range from > 1:30 to < 1:10 000, particularly preferably in the range from > 1:50 to < 1:10 000, very particularly preferably in the range from > 1:60 to < 1:5000, still more preferably in the range from > 1:80 to < 1:5000.
In this manner, a method can be provided with which a concentrated polysaccharide mass can be redispersed within short timeframes, in such a manner that a ready-to-use mass can be provided that can be used for tertiary oil extraction or oil recovery. As a resuit of the stepwîse process of blending, homogenization and dilution, the redispersion process can be significantly shortened in such a manner that the storage and process volumes, in particular in the offshore région, can be kept relatively low. In the various sections, account can be taken of the particular properties in the respective stage of the concentrated polysaccharide mass that is to be processed.
In the context of the présent invention, the concentrated polysaccharide mass can comprise a beta-glucan, in particular schizophyllan. In the context of the présent inventions, an addition of a third dilution liquid need not necessarily présupposé an addition of a second dilution liquid, but also does not exclude it.
A blending in the meaning of this invention is to be taken to mean the bringing about of coarsely dispersed particles in the liquid in such a manner that a free-flowing and pumpable mass is formed. During the blending, a first comminution of concentrated polysaccharide mass and the feeding of a dilution liquid can proceed. Preferably, the concentrated polysaccharide mass, before the blending, can be in the form of slabs, chunks and lumps having an irregular shape. Preferably, the polysaccharide mass that is used in step (l ) has a volume in the range from > 100 cm3 to < 50 000 cm3, particularly preferably > 100 cm3 to < 25 000 cm3, still more preferably in the range from > 500 cm3 to < 10 000 cm3, very particularly preferably in the range from > 800 cm3 to < 5000 cm3.
The procedure of the homogenization in the context of this invention comprises the comminution and distribution of particles in a starting material. In a water basis, for example polysaccharide particles or chunks can be comminuted and distributed in the water in such a manner that generally the concentration différences of the polysaccharide in the water become lower. In the idéal case of the homogenization, the concentration différences are microscopically and macroscopically zéro.
Particles in the context of this invention are taken to mean clusters of polysaccharide that is not, or not yet completely, dissolved. These particles can, for example, be of chunk type, for instance be broken out of a high-viscosity pasty mass, and hâve the above-described dimensions.
Particles, however, can also be taken to mean collections or local concentrations that form geltype régions.
A dilution liquid in the context of this invention is a fluid which, when it is added to the présent mass comprising a material, the concentration of the material in the total mass is decreased. In the case of a dilution liquid water, other materials can also be added to the water, such as additives. The first and third, or the first, second and third, dilution liquid can be identical, e.g. water.
Preferred additives can be selected from the group consisting of biocides, surfactants, pH adjusters, tracers and salts. Examples of suitable biocides are isothiazolinones, for example l ,2benzisothiazolin-3-one (“BIT”), octylisothiazolinone (“OIT”), dichlorooctylisothiazolinone (“DCOIT”), 2-methyl-2//-isothiazolin-3-one (“MIT”) and 5-chloro-2-methyl-2/f-isothiazolin-3one (“CIT”), phenoxyethanol, alkylparabens such as methylparaben, ethylparaben, propylparaben, benzoic acid and salts thereof, such as, e.g., sodium benzoate, benzyl alcohol, alkali métal sorbates such as, e.g., sodium sorbate, and (substituted) hydantoins such as, e.g., 1,3bis(hydroxymethyl)-5,5-dimethylhydantoin (DMDM-hydantoin). Examples of surfactants are, in particular, nonionic surfactants and also mixtures of anionic or zwitterionic surfactants with nonionic surfactants. Preferred nonionic surfactants are alkoxylated alcohols and alkoxylated fatty alcohols, di- and multiblock copolymers of ethylene oxide and propylene oxide and reaction products of sorbitan with ethylene oxide or propylene oxide, alkylglycosides and what are termed amine oxides. Examples of anionic surfactants are C8-C2o-alkylsulfates, C8-C2oalkylsulfonates and Cg-Cio-alkyl ether sulfates having 1 to 6 ethylene oxide units per molécule. Preferred salts are ail salts that are customarily present in seawater. Preferred pH adjusters are inorganic bases such as, for example, sodium hydroxide and ammonium hydroxide, organic acids, inorganic acids such as, for example, nitric acid, ammonium chloride, ammonium carbonate, ammonium nitrate, ammonium sulfate and also ammonium formate and ammonium acetate.
Water as dilution fluid in the context of this invention is a liquid which, with respect to the dilution, predominantly has the properties of water. In this case, a liquid that, for example, comprises 95-99% water, can also be water in the context of the invention, provided that this liquid, in respect of a dilution behavior, predominantly has the properties of water.
The method with blending, homogenizing and dilution can be carried out, for example, in volumes arranged successively in the direction of flow, for example a blending volume, a homogenization volume and a dilution volume. It is also possible to carry out the method in such a manner that a homogenization and a dilution take place in the same volume.
According to an embodiment of the invention, the diluted homogenized mash is a solution that has an FR value preferably in the range from > 1.0 to < 3.0, particularly preferably an FR value in the range from > 1.0 to < 2.5, very particularly preferably an FR value in the range from > 1.0 to < 2.4, still more preferably an FR value in the range from > 1.0 to < 2.0, which is determined using a membrane that has a pore size of 1.2 pm.
According to an embodiment of the invention, the polysaccharide comprises at least one alphaglucan, a beta-glucan or a xanthan.
In this manner, a prepared polysaccharide mass can be provided on the basis of different glucans or xanthan. In particular, beta-l,3- or a beta-l,4-glucan can be used.
According to an embodiment of the invention, the homogenization comprises an addition of a second dilution fluid.
In this manner, concentrated polysaccharide mass having a polysaccharide concentration [cl] can be diluted in ali stages of the redispersion process or the préparation process, namely during the blending, during the homogenization and during the dilution.
According to an embodiment of the invention, the homogenization comprises at least one first stage and one second stage of a homogenization, of which the second stage has a higher homogenization than the first stage.
In this manner, the homogenization can be carried in a stepped manner, or in substeps, in such a manner that a more efficient préparation process can be achieved. In particular, during the homogenization, particles or fractions of the homogenized mash that still hâve relatively large particles can be separated off, while other parts of the homogenized mash that only still comprise smaller particles sizes, can be fed to further processing. The larger particles separated off can be subjected to a renewed homogenization step. This process can also proceed continuously, by sufficiently small particles passing through a sieve or a filter, whereas larger particles are retained, and remain in the homogenization volume until they hâve been comminuted to the extent that they likewise can pass through the sieve. In total, in this manner, a higher throughput during homogenization can be achieved.
According to an embodiment of the invention, the homogenization comprises at least one first stage, a second stage, and a third stage of the homogenization, of which the third stage has a higher homogenization than the second stage, and the second stage has a higher homogenization than the first stage.
According to an embodiment of the invention, the dilution of the homogenized mash comprises a further homogenization of the homogenized mash.
In this manner, a further homogenization can also proceed during the dilution, in such a manner that the mass resulting from the method not only reaches a corresponding dilution, but also a desired homogenization.
According to an embodiment of the invention, preferably at least one of the first, second and third dilution liquids is water. According to a further embodiment of the invention, preferably the first, the second and the third dilution liquid is water. In this manner, the préparation or dilution of the concentrated polysaccharide mass can be performed using a dilution liquid which has good availability. The amount of dilution liquid can be controlled, for example, via an inline viscosity measurement.
In this manner, an expédient and efficient staging of the dilution in the course of the method sections of blending, homogenization and dilution can be achieved, which leads to a prompt and efficient préparation of a concentrated polysaccharide mass.
According to an embodiment of the invention, the concentrated polysaccharide mass preferably has a concentration [cl ] in the range from > 50 g to < 800 g of polysaccharide per liter of concentrated polysaccharide mass, particularly preferably a concentration [cl] in the range from > 60 g to < 500 g of polysaccharide per liter of concentrated polysaccharide mass, very particularly preferably a concentration [cl] in the range from > 80 g to < 300 g of polysaccharide per liter of concentrated polysaccharide mass, still more preferably a concentration [cl] in the range from > 80 g to < 100 g of polysaccharide per liter of concentrated polysaccharide mass.
The further components of the polysaccharide mass can be water, additives and précipitant. Therefore, the concentrated polysaccharide mass preferably has a concentration [cl] of in the range from > 50 g to < 800 g of polysaccharide per liter of concentrated polysaccharide mass comprising polysaccharide, water, additives and précipitant, particularly preferably a concentration [cl] in the range from > 60 g to < 500 g of polysaccharide per liter of concentrated polysaccharide mass comprising polysaccharide, water, additives and précipitant, very particularly preferably a concentration [cl] in the range from > 80 g to < 300 g of polysaccharide per liter of concentrated polysaccharide mass comprising polysaccharide, water, additives and précipitant, still further preferably a concentration [cl] in the range from > 80 g to < 100 g of polysaccharide per liter of concentrated polysaccharide mass comprising polysaccharide, water, additives and précipitant.
Suitable précipitants are organic solvents. Organic solvents are preferably selected from the group consisting of methylformate, acyclic ethers such as dimethoxymethane, cyclic ethers such as tetrahydrofuran, 2-methyl-l,2-dioxolane, esters of carboxylic acids such as ethyl acetate, alcohols such as methanol, éthanol, isopropanol and propanol, ketones such as acetone or methyl ethyl ketone or mixtures thereof. Equally suitable organic solvents comprise polyethylene glycols, polypropylene glycols and mixtures thereof.
According to an embodiment of the invention, the mash preferably has a concentration [c2] in the range from > 5 g to < 50 g of polysaccharide per liter of mash, particularly preferably a concentration [c2] in the range from > 5 g to < 30 g of polysaccharide per liter of mash, very particularly preferably a concentration [c2] in the range from > 8 g to < 30 g of polysaccharide per liter of mash.
The further components of the mash can be water, additives and précipitants. Therefore, the mash preferably has a concentration [c2] of in the range from > 5 g to < 50 g of polysaccharide per liter of mash comprising polysaccharide, water, additives and précipitants, particularly preferably a concentration [c2] in the range from > 5 g to < 30 g of polysaccharide per liter of mash comprising polysaccharide, water, additives and précipitants, very particularly preferably a concentration [c2] in the range from > 8 g to < 30 g of polysaccharide per liter of mash comprising polysaccharide, water, additives and précipitants.
According to an embodiment of the invention, the homogenized mass preferably has a concentration [c3] in the range from > 5 g to < 50 g of polysaccharide per liter of homogenized mash, particularly preferably a concentration [c3] in the range from > 5 g to < 30 g of polysaccharide per liter of homogenized mash, very particularly preferably a concentration [c3] in the range from > 8 g to < 30 g of polysaccharide per liter of homogenized mash.
The further components of the homogenized mash can be water, additives and précipitants. Therefore, the homogenized mash preferably has a concentration [c3] of in the range from > 5 g to < 50 g of polysaccharide per liter of homogenized mash comprising polysaccharide, water, additives and précipitants, particularly preferably a concentration [c3] in the range from > 5 g to < 30 g of polysaccharide per liter of homogenized mash comprising polysaccharide, water, additives and précipitants, very particularly preferably a concentration [c3] in the range from > 8 g to < 30 g of polysaccharide per liter of homogenized mash comprising polysaccharide, water, additives and précipitants.
Preferably, no further dilution fluid is added during the homogenization, and so the concentration [c2] of the mash and the concentration [c3] of the homogenized mash are preferably identical. Particularly preferably, the concentration [c3] of the homogenized mash does not differ by more than ± l% from the concentration [c2] of the mash.
According to an embodiment of the invention, the diluted homogenized mash preferably has a concentration [c4] in the range from > 0.05 g to < 2.0 g of polysaccharide per liter of diluted homogenized mash, particularly preferably a concentration [c4] in the range from > 0.1 g to < l .5 g of polysaccharide per liter of diluted homogenized mash, very particularly preferably a concentration [c4] in the range from > 0.1 g to < l g of polysaccharide per liter of diluted homogenized mash.
The further components ofthe diluted homogenized mash can be water, additives and précipitants. Therefore, the homogenized mash preferably has a concentration [c4] of in the range from > 0.05 g to < 2.0 g of polysaccharide per liter of diluted homogenized mash comprising polysaccharide, water, additives and précipitants, particularly preferably a concentration [c4] in the range from > 0.1 g to < l .5 g of polysaccharide per liter of diluted homogenized mash comprising polysaccharide, water, additives and précipitants, very particularly preferably a concentration [c4] in the range from > 0.1 g to < l .0 g of polysaccharide per liter of diluted homogenized mash comprising polysaccharide, water, additives and précipitants.
In this manner, a polysaccharide mass concentration can be achieved which significantly reduces the transport volume and the transport masses compared with a volume that a ready-to-use diluted homogenized mash would hâve which is required for the oil recovery.
According to an embodiment of the invention, the homogenization and the dilution each proceed in a continuous-flow process in which a substantially continuous flow proceeds from a blending volume into a homogenizing volume, and from the homogenizing volume into a dilution volume.
In this manner, at least in subregions of the method, a flow process can be provided which can further reduce the necessary storage volumes, since the ready-to-use product can be provided substantially continuously, in particular in an amount currently required, without it needing to be temporarily stored in large volumes.
According to an embodiment of the invention, a method for recovering fossil fuels from rock is provided, wherein the method comprises the above-described method for preparing a concentrated polysaccharide mass, and also introducing the diluted homogenized mash into a rock for recovering fossil fuels from the rock.
In this manner, a method can be provided in which an efficient tertiary oil recovery from rock can be provided.
A device for preparing a concentrated polysaccharide mass is provided, that is suitable for the performance of the method according to the invention, wherein the device comprises: a blending volume for blending the concentrated polysaccharide mass, in order to obtain a mash, wherein the blending comprises an addition of a first dilution liquid, and during the blending a particle size of particles of the concentrated polysaccharide mass is decreased, and mixing with the first dilution liquid proceeds; a homogenizing volume for homogenizing the mash in order to obtain a homogenized mash, wherein homogenization of particles in the mash proceeds during the homogenization; and a dilution volume for diluting the homogenized mash in order to obtain a diluted homogeneous mash, wherein the dilution comprises an addition of a third dilution liquid, wherein the blending volume has an outlet for the mash, wherein the homogenization volume has an inlet for the mash and an outlet for the homogenized mash, wherein the dilution volume has an inlet for the homogenized mash and an outlet for the diluted homogenized mash, wherein the outlet for the mash is connected to the inlet for the mash and the outlet for the homogenized mash is connected to the inlet for the homogenized mash.
In this manner, a device can be provided with which a concentrated polysaccharide mass can be efficiently prepared.
According to an embodiment of the invention, in the blending volume, a mixer of the high-shear mixer type and/or eccentric hopper pump type is provided.
Preferably, the high-shear mixer is a rotor-stator mixer. Rotor-stator mixers are familiar to those skilled in the art and comprise in principle ail dynamic mixer types in which a fastrunning, preferably rotationally symmetrical, rotor, in interaction with a stator, forms one or more substantially ring-gap-type working régions. In these working régions, the mixing material is exposed to high thrust and shear stresses, wherein in the ring gaps frequently high turbulence prevails, which likewise promûtes the mixing process. Rotor-stator mixers include, for example, toothed rim dispersers, ring-gap milis and colloid mills.
According to an embodiment of the invention, a mixer of the high-shear mixer type is provided in the homogenization volume.
According to an embodiment of the invention, a mixer of the high-shear mixer type is provided in the dilution volume.
In a preferred embodiment, at least one tank for storing the homogenized mash can be provided between the blending volume and the homogenization volume. In a preferred embodiment, at least one tank for storing the homogenized mash can be provided between the homogenization volume and the dilution volume.
It should be noted that the embodiments of the invention described hereinafter apply equally to the method and to the device. The individual features can, of course, also be combined among one another, as a resuit of which, advantageous effects can be established, in part, which go beyond the sum of the individual effects. These and other aspects of the present invention are explained and clarified by reference to the exemplary embodiments described hereafter.
In a preferred embodiment, a part of the homogenized mash can be used to be recîrculated in step (l) for blending or in step (2) for homogenizing. In this manner, both in step (!) and in step (2), a faster homogenization is effected.
Brief description of the drawings
Fig. I shows a structural makeup of the device according to the invention according to an exemplary embodiment.
Fig. 2 shows an exemplary sequence of a method according to an exemplary embodiment of the invention.
Fig. 3 shows an exemplary makeup of a mashing volume according to an exemplary embodiment.
Fig. 4 shows an exemplary structure of a homogenization volume according to an exemplary embodiment of the invention.
Fig. 5 shows an exemplary embodiment of a homogenization volume according to an exemplary embodiment of the invention.
Fig. 6 shows an exemplary makeup of a dilution volume according to an exemplary embodiment of the invention.
Detailed description of exemplary embodiments
Fig. 1 shows a diagrammatic view of a device for preparing a concentrated polysaccharide mass. The device 1 for preparing a concentrated polysaccharide mass has, in the embodiment shown in fig. 1, a blending volume 10, a homogenization volume 20 and a dilution volume 40. The homogenization volume 20 is connected downstream of the blending volume 10.
The concentrated polysaccharide mass 9 is added to the blending volume 10 and also a first dilution liquid 14. The polysaccharide mass 9 can in this case hâve a concentration of, for example, 100 to 900 g of polysaccharide mass per liter of concentrated polysaccharide mass. The polysaccharide mass 9 can likewise be the direct product of a previously carried out précipitation process. The dilution liquid can be, for example, water. In the blending volume 10, for example a mixer 18 can be provided which mixes the polysaccharide mass 9 with the dilution liquid 14. In addition to the mixer, at the blending tank or upstream of the blending tank 10, a comminution device can be provided in order to comminute a high-viscosity or pasty polysaccharide mass before said mass is fed to the blending volume 10. The comminution can also proceed in the blending volume 10. This can proceed, for example, using a high-shear mixer, such as, for example, using a rotor-stator mixer. In the one blending volume 10, then a mash 13 of the added polysaccharide mass 9 and the first dilution liquid 14 is formed. The mash 13 can leave the blending volume 10 via an outlet 12 in the blending tank for the mash and be introduced via an inlet 21 into the homogenization volume for the mash.
In the homogenization volume 20, likewise a mixer 28 can be provided which can be designed, for example, in the form of a rotor-stator mixer. It is possible, but not compulsory, that a second dilution liquid 24 is introduced in the homogenization volume, which dilution liquid can likewise be, for example water. In this case a homogenized mash 23 can be generated from the mash and the second dilution liquid. In the context of the présent invention, from the mash 13 generated in the one blending volume 10, in the homogenization volume 20, even without addition of a second dilution liquid 24, a homogenized mash 23 can be generated.
In the dilution volume 40, likewise a mixer 48 can be provided which can be designed, for example, in the form of a high-shear mixer, preferably in the form of a rotor-stator mixer. In the dilution volume 40, in this case, a diluted homogeneous mash 43 can be generated from the homogenized mash 23. This diluted homogeneous mash 43 can be drained via an outlet 42 in the dilution volume 40. A third dilution liquid 44 can be added to the dilution volume 40, in such a manner that homogenized mash fed to the dilution volume 40 is further diluted by a third dilution liquid 44, in order in this manner, for example, to arrive at a ready-to-use mass that can be used for the tertiary oil extraction.
The aim of the mashing process is production of a pumpable mass. The pumpable mass can in this case, after addition of the first dilution liquid, hâve, for example, a concentration from 5 to 50 g of polysaccharide per liter of concentrated polysaccharide mass. The concentrated polysaccharide mass can be pasty, for example, or else be in the form of a friable mass. This mass can hâve, for example, a concentration from 100 to 900 g of polysaccharide per liter of concentrated polysaccharide mass. However, customarily the concentration is lower and can be, for example, in the range from 100 to 300 g of polysaccharide per liter of concentrated polysaccharide mass. In the blending volume 10, mixers, for example, can be provided which perform a further comminution of the concentrated polysaccharide mass and effect a mashing with the added first dilution liquid 14. Mixers can be, for example, mixers of the Cavimix® type from Cavitron. Alternatively, for example, a continuous high-shear mixer from Lipp Mischtechnik GmbH, Mannheim, Germany, can also be used, which effects a defibration or crushing of the pasty mass of the concentrated polysaccharide mass. The energy added by the continuous high-shear mixer can in this case cause heating of the concentrated polysaccharide mass, in such a manner that already in this région an elevated température is présent that promûtes the mashing process. The concentrated polysaccharide mass can in this case be added into a hopper or a réservoir, and transported into a blending volume 10. In the blending tank, in addition, a high-shear mixer can be provided that effects further removal of the particle mass from the particles and further mixing of the polysaccharide mass with the first dilution liquid.
In the downstream homogenization volume 20, a rotor-stator mixer, for example, can be provided, that opérâtes in a plurality of stages. Mixers can be, for example, mixers ofthe Megatron® MT3-61 GMF type Kinematica, Littau, Switzerland. In the event that no dilution liquid is added to the homogenization volume 20, the concentration remains at the same value, for example, of, for example, 5 to 50 g of polysaccharide per liter of concentrated polysaccharide mass. In the event that a second dilution liquid 24 is added to the homogenization volume 20, for example a concentration of 5 to 10 g of polysaccharide per liter of concentrated polysaccharide mass can be established. The rotor-stator mixer provided in the homogenization volume can be, for example, a toothed rim dispersion machine which, in a plurality of stages, subjects the blended polysaccharide mass to a shear stress, in such a manner that, owing to the shear-diluting property of the mash 13, the homogenized mash becomes thinner.
The homogenized mash 23 can then be added to the dilution volume 40, in which, likewise, a high-shear mixer can be provided, for example a rotor-stator mixer, such as, for example, a toothed-rim dispersion machine. Preferably, a part of the homogenized mash can be retumed to the homogenization volume 20 and/or the blending tank. By dilution with a third dilution liquid 44, the final concentration of the diluted homogenized mash can be, for example, 0.1 to 1 g of polysaccharide per liter of concentrated polysaccharide mass, which is, for example, a typical concentration of a ready-to-use mass.
As polysaccharide, for example an alpha-glucan or a beta-glucan, in particular a beta-l,3-glucan or a beta-l,4-glucan or a mixture thereof can be considered, or a xanthan, for example.
Fig. 2 shows an exemplary embodiment of a sequence diagram of a method for preparing a concentrated polysaccharide mass. In fig. 2, the steps S10, blending the concentrated polysaccharide mass, S20, homogenizing the mash, and S40, diluting the homogenized mash are provided. The blending of the concentrated polysaccharide mass S10 proceeds in this case, for example, in the blending volume 10. The homogenization of the mash S20 proceeds, for example, in the homogenization volume 20. The dilution of the homogenized mash S40 proceeds, for example, in the dilution volume 40.
Fig. 2 shows a method in which, for example, a concentrated polysaccharide mass having 50 to 800 g of polysaccharide per liter of concentrated polysaccharide mass is placed in the blending volume 10. After the step S10 of the blending, for example a concentration from 5 to 50 g of polysaccharide per liter of concentrated polysaccharide mass is present. After the homogenization step, for example a concentration from 5 to 30 g of polysaccharide per liter of concentrated polysaccharide mass can be present, in particular when, during the homogenization of the mash S20, a second homogenization liquid is added. After passage through the method step S40 for diluting the homogenized mash, for example a concentration from 0.05 to 2.0 g of polysaccharide per liter of concentrated polysaccharide mass can be présent.
Fig. 3 shows an exemplary embodiment of a blending volume 10. The blending volume 10 in this case has an opening 11, via which the concentrated polysaccharide mass 9 can be added to the blending volume 10. In addition, via an inlet, the first dilution liquid 14 can be added. In the one blending volume 10, for example particles or chunks of the polysaccharide mass 9 can be circulated by a mixer 18 and further comminuted, in such a manner that the particles or chunks of the polysaccharide mass 9 are further dissolved in the dilution liquid. Via a corresponding mixer, for example a high-shear mixer and corresponding guide plates, a mixing process or a mashing process can proceed in such a manner that, via an outlet 12, a mash 13 can be taken off. In the blending tank, devices can be provided, for example screens or combs which prevent oversized polysaccharide chunks 9 being taken off. In this manner, these polysaccharide chunks remain in the blending volume 10 until they hâve achieved a size that permits further processing in a next step. The mixer 18 can be driven and controlled in this case via a drive 17.
Fig. 4 shows an exemplary embodiment of a homogenization volume. The homogenization volume 20 can in this case hâve, for example, a relatively small volume, in particular when no further dilution is to take place in the homogenization volume 20. In this case, the mash 13 can be fed to the homogenization volume via an inlet 21 and be homogenized by a mixer 28. The mixer 28 can be driven and controlled, for example by a drive 27. The mixer 28 in the homogenization volume 20 can be, for example, a rotor-stator mixer, for example a toothed-rim dispersion machine. The homogenization volume 20 can be, for example, also the housing of a mixer, in particular of a rotor-stator mixer, e.g. a toothed-rim dispersion machine.
Fig. 5 shows an exemplary embodiment of a homogenization volume 20, in which, for example, a dilution can also proceed via a second dilution liquid 24. Via an inlet 21, for example, the mash 13 arrives in the homogenization volume 20. The mash 13 can be processed to a homogenized mash by a corresponding mixer 28 in the homogenization volume 20, which homogenized mash has, for example, a lower concentration than the mash 13. The mixer 28 provided in the homogenization volume 20 can be driven and controlled, for example by a drive 27. The homogenized mash 23 can be taken off via an outlet 22. The homogenized mash 23 in fig. 5 is in this case a diluted homogenized mash.
Fig. 6 shows an exemplary embodiment of a dilution volume 40. The homogenized mash 23 can be fed, for example via an inlet 21, to the dilution volume 40. Via a further inlet, a third dilution liquid 44 can be added, in such a manner that a diluted homogenized mash 43 is generated from the homogenized mash 23. This dilution can be promoted, for example, by a mixer 48 which can 5 be controlled and driven by a drive 47. The mixer 48 can be, for example, a high-shear mixer.
The diluted homogeneous mash 43 can then be taken off via an outlet 42.
It should be noted that the expression “comprising” does not exclude further éléments or method steps, likewise the expression “a” and “an” does not exclude a plurality of éléments and steps.
The reference signs used serve merely to increase the comprehensibility and should in no case be considered to be restricting, wherein the scope of protection of the invention is given in the claims.
List of reference signs
I Device for preparing a concentrated polysaccharide mass
Polysaccharide mass
Blending volume
II Inlet in the blending tank for concentrated polysaccharide mass
Outlet in the blending tank for mash
Mash
First dilution liquid
Drive for mixer in the blending tank
Mixer in the blending tank
Homogenization volume
Inlet in the homogenization volume for mash
Outlet in the homogenization volume for homogenized mash
Homogenized mash
Second dilution liquid
Drive for mixer in the homogenization volume
Mixer in the homogenization volume
Dilution volume
Inlet in the dilution volume for homogenized mash
Outlet in the dilution volume for diluted homogenized mash
Diluted homogeneous mash
Third dilution liquid
Drive for mixer in the dilution volume
Mixer in the dilution volume
S10 Method step of blending the concentrated polysaccharide mass
S20 Method step of homogenizing the mash
S40 Method step of diluting the homogenized mash
Examples
1. Production of schizophyllan
For the experiments, Schizophyllum commune was used, and schizophyllan was used for fermentation in the fed-batch culture method, as described in “Udo Rau, Biopolymers, edited by A. Steinbüchel, published by WILEY-VCH, volume 6, pages 63 to 79”.
2. Détermination of the schizophyllan content
1. Weigh out a small amount of the presscake containing schizophyllan, water and a solvent
2. Dilute with demineralized water
3. Shake vigorously by hand in order to obtain a schizophyllan sample
4. Briefly disperse schizophyllan sample using the Ultraturrax
5. Produce an analysis sample comprising water, glucanase mixture and schizophyllan sample
6. Produce a blank sample comprising a schizophyllan sample
7. Incubate the analysis sample at 40°C for 2 to 24 h
8. Filter analysis and blank samples through a syringe filter and analyze the glucose content by means of HPLC
9. Calculate the schizophyllan concentration from the différence between residual glucose and glucose after enzyme treatment minus the water of hydrolysis
3. Détermination of the FR (filtration ratio) value
Measurement principle:
In the détermination of the FR (filtration ratio) value, the amount of filtrate which passes through a defined filter is determined as a function of time. The FR value is determined according to the following formula (I)
FR = (t 190g - il70g) ! (t?Og - t50g) (1), where the variables and the équation hâve the following meaning:
ti9og = time in which 190 g of filtrate are obtained, tnog = time in which 170 g of filtrate are obtained, t?og = time in which 70 g of filtrate are obtained, tsog = time in which 50 g of filtrate are obtained.
Therefore, in each case, the time period is determined which is needed in each case for 20 g of filtrate to flow through the filter, i.e. at an early and late time point in the filtration process, and the quotient of the two time periods is calculated. The greater the FR value, the greater the decrease of filtration rate with increasing time of the filtration process. This indicates an increasing blocking of the filter, for example by gels or particles.
The FR value is determined using the following method:
3.1. Apparatus
a) Sartorius pressure filtration apparatus 16249; filter diameter 47 mm; with 200 ml of infusion space (0i = 41 mm)
b) Isopore membrane 1.2 μπι; 0 47 mm; No. RTTP04700, obtainable from Merck Millipore
c) Balance
3.2. Préparation of the glucan solution
First, 50 g of a mixture of the glucan solution obtained from the experiments and water are produced, more precisely in a ratio such that the glucan concentration is 1.75 g/1. The mixture is stirred for 10 min and examined visually for homogeneity. If the mixture is still not homogeneous, it is stirred further until the mixture is homogeneous. Thereafter, the mixture is brought to a total amount of 250 g using 200 g of ultrapure water. Then, the mixture is stirred for at least 1 h for the homogenîzation, after which the pH is adjusted to 6.0 using 0.1 M NaOH and then stirred for a further 15 min. The pH of 6.0 is examined again. The final concentration of the glucan in the mixture is 0.35 g/1.
3.3. Carrying out the filtration test
The filtration test proceeds at room température (T = 25°C) at a pressure of 1.0 bar (compressed air or N2).
Place coarse perforated plate onto the screen plate
Place fine perforated plate onto the screen plate
Place membrane filter thereon
Insert O-ring
Screw sieve plate and outlet tap onto the cylinder
- Close outlet tap
Introduce 220 g (about 220 ml) of solution
Screw upper covering onto cylinder Clamp air inlet hose
Examine pressure and adjust to 1.0 bar
Place beaker on the balance below the filtration apparatus. Press taring button.
Open outflow tap
Stop the test when filtrate no longer exits.
With the balance, the amount of filtrate is determined as a function of time. The mass indicated each time can be read off by eye, but of course also automatically, and analyzed.
4. Redispersion - Example 1
4.1. Blending
A concentrated schizophyllan mass (2100 g) having a concentration of 92 g/1 was introduced into a Cavimix® 1032 high-shear mixer from Cavitron, from Hagen & Funke, Sprockhôvel, Germany. The starting concentration of the schizophyllan mass was 92 g of schizophyllan per liter of schizophyllan mass, wherein the concentration is determined according to the abovedescribed method. The schizophyllan mass was in the form of chunks having a volume of 25 cm x 25 cm x 2 cm. 14 350 g of water were added and the high-shear mixer was used for 10 minutes at a speed of rotation of 508 révolutions per minute. A mash was obtained that had a concentration of 11.8 g of schizophyllan per liter, and comprised particles having a mean diameter of < 10 mm.
4.2. Homogenization
The mash was introduced into a Megatron® MT3-61 GMF rotor-stator mixer from Kinematica, Littau, Switzerland. The mixer was operated without addition of further water at a speed of rotation of 6400 révolutions per minute and a flow rate of 150 kg of mash per hour. A homogenized mash was obtained that had a concentration of 11.8 g of schizophyllan per liter, and in which particles could no longer be observed visually.
4.3. Dilution
The homogenized mash was introduced into a Cavitron® CD 1000 high-shear mixer, from Cavitron from Hagen & Funke, Sprockhovel, Germany. The parameters for operating the mixer, the concentrations of the schizophyllan in the diluted homogenized mash and the FR values of the diluted homogenized mash are shown in table 1.
Table 1 :
Samp le | Peripheral velocity (m/s) | Flow rate (kg/h) | Schizophyllan concentration (gfl) | FR value | [cl]:[c4] ratio |
1 | 18.5 | 10 | 0.36 | 2.18 | 256 |
2 | 37 | 10 | 0.36 | 2.34 | 256 |
3 | 18.5 | 4.6 | 0.19 | 1.60 | 484 |
4 | 18.5 | 4.2 | 0.22 | 1.53 | 418 |
5. Redispersion - Example 2 and comparative example
5,1. Blending and dilution with homogenization of the mash (example according to the invention)
5.1.1 Blending
A concentrated schizophyllan mass (2375 grams) having a concentration of 63 grams Schizophyllan per liter Schizophyllan mass (concentration [cl]) was introduced into a Cavimix® 1032 high-shear mixer from the company Cavitron from Hagen & Funke, Sprockhovel, Germany. The startîng concentration of the schizophyllan mass was determined according to the above-described method. The schizophyllan mass was in the form of chunks having a volume of 25 cm x 25 cm x 2 cm. 12 600 grams of an aqueous saline solution were added. Besides water the aqueous saline solution contained 26.94 g/1 sodium chloride, 0.56 g/1 calcium chloride dihydrate, 1.1 g/1 magnésium chloride hexahydrate and 0.69 g/1 potassium chloride. The highshear mixer was used for 10 minutes at a speed of rotation of 290 révolutions per minute. A mash was obtained that had a concentration of 10 grams of schizophylian per liter (concentration [c2]) and comprised particles having a mean diameter of < 10 mm.
5.1.2. Homogenization
The mash was introduced into a Megatron® MT3-61 GMF rotor-stator mixer from the company Kinematica, Littau, Switzerland. The mixer was operated without addition of further water at a speed of rotation of 6400 révolutions per minute and a flow rate of 60 kg of mash per hour in a single passage. A homogenized mash was obtained that had a concentration of 10 grams of schizophylian per liter (concentration [c3]) and in which particles could no longer be observed visually.
5.1.3. Dilution
The homogenized mash was introduced into a Cavitron® CD 1000 high-shear mixer from the company Cavitron from Hagen & Funke, Sprockhôvel, Germany. The flow rate of the homogenized mash was 10.2 kg/h. It was diluted with a dilution flow of the aqueous saline solution with a flow rate of 280 kg/h. The dilution was performed directly after mashing and homogenization without any further waiting time. The parameters for operating the mixer, the concentrations of the schizophylian in the diluted homogenized mash and the FR values of the diluted homogenized mash are shown in table 2.
Table 2:
Dilution of the sample | Peripheral velocity CD 1000 (m/s) | Flow rate of mash (kg/h) | Schizophylian concentration ([c4] in g/1) | FR value | [cl]:[c4] ratio |
0 h after mashing | 18 | 10.2 | 0.36 | 1.63 | 175 |
5.2. Blending and dilution without homogenization of the mash (comparative example)
5.2.1. Blending
A concentrated schizophylian mass (2375 grams) of the same feed material as in the example according to the invention (see section 5.1 above) having a concentration of 63 grams Schizophylian per liter Schizophylian mass (concentration [cl]) was introduced into a Cavimix®
1032 high-shear mixer from the company Cavitron from Hagen & Funke, Sprockhôvel, Germany. The schizophyllan mass was in the form of chunks having a volume of 25 cm x 25 cm x 2 cm. 12 600 grams of an aqueous saline solution were added. Besides water the aqueous saline solution contained 26.94 g/l sodium chloride, 0.56 g/I calcium chloride dihydrate, l.l g/l magnésium chloride hexahydrate and 0.69 g/l potassium chloride. The high-shear mixer was used for 10 minutes at a speed of rotation of 290 révolutions per minute. A mash was obtained that had a concentration of 10 grams of schizophyllan per liter (concentration [c2]) and comprised particles having a mean diameter of < 10 mm.
5.2.2. Dilution
The mash was introduced into a Cavitron® CD 1000 high-shear mixer from the company Cavitron from Hagen & Funke, Sprockhôvel, Germany. The flow rate of the homogenized mash was 10.2 kg/h. It was diluted with a dilution flow of the aqueous saline solution with a flow rate of 280 kg/h. The dilution was performed in separate experiments directly after mashing as well as 2 hours, 4 hours, 6 hours and 24 hours after mashing. During the waiting time the mash was stirred in the mashing volume.
The parameters for operating the mixer, the concentrations of the schizophyllan in the diluted mash and the FR values of the diluted mash are shown in table 3 for the dilutions performed at different times (from 0 hours to 24 hours after the mashing).
Table 3:
Dilution of the sample | Peripheral velocity CD l000(m/s) | Flow rate of mash (kg/h) | Schizophyllan concentration ([c4] in g/l) | FR value | [cl]:[c4] ratio |
0 h after mashing | I8 | 10.2 | 0.36 | 2.20 | 175 |
2 h after mashing | 18 | 10.2 | 0.38 | 2.83 | 166 |
4 h after mashing | 18 | 10.2 | 0.36 | 1.90 | 175 |
6 h after mashing | 18 | 10.2 | 0.38 | 2.40 | 166 |
24 h after mashing | 18 | 10.2 | 0.38 | 2.04 | 166 |
Claims (12)
1. A method for preparing a concentrated polysaccharide mass, wherein the method comprises:
( l ) blending (S 10) the concentrated polysaccharide mass having a polysaccharide concentration [cl], to obtain a mash having a polysaccharide concentration [c2], wherein the blending comprises adding a first dilution liquid, and during the blending a particle size of particles of the concentrated polysaccharide mass is decreased and mixing with the first dilution liquid proceeds;
2. The method according to claim 1, wherein the ratio of [cl ] to [c4] is in the range from > 1:30 to< 1:10 000.
(2) homogenizing (S20) the mash having a polysaccharide concentration [c2], in order to obtain a homogenized mash having a polysaccharide concentration [c3], wherein, during the homogenization, homogenization of particles in the mash proceeds;
3. The method according to claim 1 or 2, wherein the polysaccharide comprises at least one alpha-glucan, a beta-glucan or a xanthan.
(3) diluting (S40) the homogenized mash having a polysaccharide concentration [c3], in order to obtain a diluted homogenized mash having a polysaccharide concentration [c4], wherein the dilution comprises addition of a third dilution liquid, wherein the ratio of [cl ] to [c4] is in the range from > l :30 to < l :20 000.
4. The method according to any one of daims 1 to 3, wherein the homogenization in step (2) comprises an addition of a second dilution liquid.
5. The method according to any one of daims 1 to 4, wherein the homogenization in step (2) comprises at least one first stage and one second stage of a homogenization, of which the second stage has a higher homogenization than the first stage.
6. The method according to any one of daims 1 to 5, wherein the dilution of the homogenized mash in step (3) comprises a further homogenization of the homogenized mash.
7. The method according to any one of daims 1 to 6, wherein the concentrated polysaccharide mass in step (1) has a concentration [cl] in the range from > 50 g to <
800 g of polysaccharide per liter of concentrated polysaccharide mass.
8. The method according to any one of daims l to 7, wherein the mash has a concentration [c2] in the range from > 5 g to < 50 g of polysaccharide per liter of mash.
9. The method according to any one of daims l to 8, wherein the homogenized mash has a concentration [c3] in the range from > 5 g to < 50 g of polysaccharide per liter of homogenized mash.
10. The method according to any one of daims l to 9, wherein the diluted homogenized mash has a concentration [c4] in the range from > 0.05 g to < 2.0 g of polysaccharide per liter of diluted homogenized mash.
11. The method according to any one of daims l to 10, wherein the homogenization in step (2) and the dilution in step (3) each proceed in a continuous-flow process in which a substantially continuons flow proceeds from a blending volume into a homogenization volume and from the homogenization volume into a dilution volume.
12. A method for recovering fossil fuels from rock, wherein the method comprises:
method according to any one of daims l to 11 and, (4) introducing the diluted homogenized mash into a rock for recovering fossil fuels from the rock.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP15188083.8 | 2015-10-02 |
Publications (1)
Publication Number | Publication Date |
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OA18784A true OA18784A (en) | 2019-06-28 |
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