NO832783L - Fremgangsmaate for delignifisering av ved og andre lignocelluloseholdige produkter - Google Patents
Fremgangsmaate for delignifisering av ved og andre lignocelluloseholdige produkterInfo
- Publication number
- NO832783L NO832783L NO832783A NO832783A NO832783L NO 832783 L NO832783 L NO 832783L NO 832783 A NO832783 A NO 832783A NO 832783 A NO832783 A NO 832783A NO 832783 L NO832783 L NO 832783L
- Authority
- NO
- Norway
- Prior art keywords
- phenol
- aqueous
- liquid
- lignin
- delignification
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 60
- 239000002023 wood Substances 0.000 title claims description 33
- 229920005610 lignin Polymers 0.000 claims abstract description 69
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 150000002989 phenols Chemical class 0.000 claims abstract description 55
- 229920002678 cellulose Polymers 0.000 claims abstract description 53
- 239000001913 cellulose Substances 0.000 claims abstract description 52
- 239000007787 solid Substances 0.000 claims abstract description 51
- 150000002972 pentoses Chemical class 0.000 claims abstract description 42
- 239000012978 lignocellulosic material Substances 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000011260 aqueous acid Substances 0.000 claims abstract description 15
- 238000004821 distillation Methods 0.000 claims abstract description 13
- 239000007791 liquid phase Substances 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 9
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 229
- 229960003742 phenol Drugs 0.000 claims description 108
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 239000000203 mixture Substances 0.000 claims description 41
- 239000012071 phase Substances 0.000 claims description 30
- 239000002253 acid Substances 0.000 claims description 28
- 239000008346 aqueous phase Substances 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 26
- 239000012074 organic phase Substances 0.000 claims description 25
- 235000000346 sugar Nutrition 0.000 claims description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 19
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 claims description 18
- 230000007062 hydrolysis Effects 0.000 claims description 18
- 238000006460 hydrolysis reaction Methods 0.000 claims description 18
- 229920002488 Hemicellulose Polymers 0.000 claims description 16
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 15
- 238000010992 reflux Methods 0.000 claims description 15
- 150000007513 acids Chemical class 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 9
- 239000003153 chemical reaction reagent Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 5
- 235000006408 oxalic acid Nutrition 0.000 claims description 5
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 4
- 239000008103 glucose Substances 0.000 claims description 4
- 150000007524 organic acids Chemical class 0.000 claims description 3
- 235000005985 organic acids Nutrition 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 claims description 2
- 229940092714 benzenesulfonic acid Drugs 0.000 claims description 2
- 239000012429 reaction media Substances 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 239000000057 synthetic resin Substances 0.000 claims description 2
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims 3
- 238000002955 isolation Methods 0.000 claims 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims 1
- 229920001131 Pulp (paper) Polymers 0.000 claims 1
- 229920000297 Rayon Polymers 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 239000001768 carboxy methyl cellulose Substances 0.000 claims 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims 1
- 229920003086 cellulose ether Polymers 0.000 claims 1
- 238000002425 crystallisation Methods 0.000 claims 1
- 230000008025 crystallization Effects 0.000 claims 1
- 150000002170 ethers Chemical class 0.000 claims 1
- 235000011149 sulphuric acid Nutrition 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 7
- 238000000197 pyrolysis Methods 0.000 abstract description 7
- 239000012044 organic layer Substances 0.000 abstract description 4
- 239000000470 constituent Substances 0.000 abstract description 2
- 238000004537 pulping Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 24
- 239000000047 product Substances 0.000 description 20
- 241000609240 Ambelania acida Species 0.000 description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 238000004458 analytical method Methods 0.000 description 18
- 239000010905 bagasse Substances 0.000 description 18
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 14
- 238000000926 separation method Methods 0.000 description 13
- 150000008163 sugars Chemical class 0.000 description 13
- 230000008901 benefit Effects 0.000 description 11
- 238000009835 boiling Methods 0.000 description 11
- 238000011084 recovery Methods 0.000 description 11
- 238000005406 washing Methods 0.000 description 11
- 238000001816 cooling Methods 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 238000000354 decomposition reaction Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 8
- 238000000605 extraction Methods 0.000 description 8
- 150000002402 hexoses Chemical class 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 238000004064 recycling Methods 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000005418 vegetable material Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 239000012632 extractable Substances 0.000 description 5
- 239000010902 straw Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 235000018185 Betula X alpestris Nutrition 0.000 description 4
- 235000018212 Betula X uliginosa Nutrition 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- LHGVFZTZFXWLCP-UHFFFAOYSA-N guaiacol Chemical compound COC1=CC=CC=C1O LHGVFZTZFXWLCP-UHFFFAOYSA-N 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- 235000013311 vegetables Nutrition 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- -1 H 2 SC 4 Chemical class 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 150000001896 cresols Chemical class 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 239000011343 solid material Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 3
- 235000012141 vanillin Nutrition 0.000 description 3
- FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 3
- PETRWTHZSKVLRE-UHFFFAOYSA-N 2-Methoxy-4-methylphenol Chemical compound COC1=CC(C)=CC=C1O PETRWTHZSKVLRE-UHFFFAOYSA-N 0.000 description 2
- YOMSJEATGXXYPX-UHFFFAOYSA-N 2-methoxy-4-vinylphenol Chemical compound COC1=CC(C=C)=CC=C1O YOMSJEATGXXYPX-UHFFFAOYSA-N 0.000 description 2
- CHWNEIVBYREQRF-UHFFFAOYSA-N 4-Ethyl-2-methoxyphenol Chemical compound CCC1=CC=C(O)C(OC)=C1 CHWNEIVBYREQRF-UHFFFAOYSA-N 0.000 description 2
- HXDOZKJGKXYMEW-UHFFFAOYSA-N 4-ethylphenol Chemical compound CCC1=CC=C(O)C=C1 HXDOZKJGKXYMEW-UHFFFAOYSA-N 0.000 description 2
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- PXIKRTCSSLJURC-UHFFFAOYSA-N Dihydroeugenol Chemical compound CCCC1=CC=C(O)C(OC)=C1 PXIKRTCSSLJURC-UHFFFAOYSA-N 0.000 description 2
- 240000000731 Fagus sylvatica Species 0.000 description 2
- 235000010099 Fagus sylvatica Nutrition 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 239000012223 aqueous fraction Substances 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 238000010908 decantation Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- RRAFCDWBNXTKKO-UHFFFAOYSA-N eugenol Chemical compound COC1=CC(CC=C)=CC=C1O RRAFCDWBNXTKKO-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229960001867 guaiacol Drugs 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- QWVGKYWNOKOFNN-UHFFFAOYSA-N o-cresol Chemical compound CC1=CC=CC=C1O QWVGKYWNOKOFNN-UHFFFAOYSA-N 0.000 description 2
- RNVCVTLRINQCPJ-UHFFFAOYSA-N o-toluidine Chemical compound CC1=CC=CC=C1N RNVCVTLRINQCPJ-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-M phenolate Chemical compound [O-]C1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-M 0.000 description 2
- 229940031826 phenolate Drugs 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- RNHDAKUGFHSZEV-UHFFFAOYSA-N 1,4-dioxane;hydrate Chemical compound O.C1COCCO1 RNHDAKUGFHSZEV-UHFFFAOYSA-N 0.000 description 1
- JERRISPMQOTPKR-UHFFFAOYSA-N 1-ethyl-6-methoxycyclohexa-2,4-dien-1-ol Chemical compound CCC1(O)C=CC=CC1OC JERRISPMQOTPKR-UHFFFAOYSA-N 0.000 description 1
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 1
- BSWWXRFVMJHFBN-UHFFFAOYSA-N 2,4,6-tribromophenol Chemical compound OC1=C(Br)C=C(Br)C=C1Br BSWWXRFVMJHFBN-UHFFFAOYSA-N 0.000 description 1
- KUFFULVDNCHOFZ-UHFFFAOYSA-N 2,4-xylenol Chemical compound CC1=CC=C(O)C(C)=C1 KUFFULVDNCHOFZ-UHFFFAOYSA-N 0.000 description 1
- KLIDCXVFHGNTTM-UHFFFAOYSA-N 2,6-dimethoxyphenol Chemical compound COC1=CC=CC(OC)=C1O KLIDCXVFHGNTTM-UHFFFAOYSA-N 0.000 description 1
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 1
- IQUPABOKLQSFBK-UHFFFAOYSA-N 2-nitrophenol Chemical compound OC1=CC=CC=C1[N+]([O-])=O IQUPABOKLQSFBK-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- NPBVQXIMTZKSBA-UHFFFAOYSA-N Chavibetol Natural products COC1=CC=C(CC=C)C=C1O NPBVQXIMTZKSBA-UHFFFAOYSA-N 0.000 description 1
- 235000017788 Cydonia oblonga Nutrition 0.000 description 1
- 229920000875 Dissolving pulp Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000005770 Eugenol Substances 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- UVMRYBDEERADNV-UHFFFAOYSA-N Pseudoeugenol Natural products COC1=CC(C(C)=C)=CC=C1O UVMRYBDEERADNV-UHFFFAOYSA-N 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 description 1
- 239000010724 circulating oil Substances 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229960002217 eugenol Drugs 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 150000002240 furans Chemical class 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 150000002672 m-cresols Chemical class 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NXPPAOGUKPJVDI-UHFFFAOYSA-N naphthalene-1,2-diol Chemical class C1=CC=CC2=C(O)C(O)=CC=C21 NXPPAOGUKPJVDI-UHFFFAOYSA-N 0.000 description 1
- 150000004780 naphthols Chemical class 0.000 description 1
- 150000002883 o-cresols Chemical class 0.000 description 1
- 150000002931 p-cresols Chemical class 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000003822 preparative gas chromatography Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920003987 resole Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 239000012485 toluene extract Substances 0.000 description 1
- 239000010875 treated wood Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000002916 wood waste Substances 0.000 description 1
- 150000003739 xylenols Chemical class 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/003—Pulping cellulose-containing materials with organic compounds
Landscapes
- Compounds Of Unknown Constitution (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Paper (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Stringed Musical Instruments (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32936081A | 1981-12-10 | 1981-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO832783L true NO832783L (no) | 1983-08-01 |
Family
ID=23285029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO832783A NO832783L (no) | 1981-12-10 | 1983-08-01 | Fremgangsmaate for delignifisering av ved og andre lignocelluloseholdige produkter |
Country Status (12)
| Country | Link |
|---|---|
| EP (2) | EP0097188A1 (de) |
| AT (1) | ATE16206T1 (de) |
| BE (1) | BE895299A (de) |
| BR (1) | BR8208011A (de) |
| CA (1) | CA1210209A (de) |
| CH (1) | CH653054A5 (de) |
| DE (1) | DE3267062D1 (de) |
| ES (1) | ES518003A0 (de) |
| FI (1) | FI70938C (de) |
| FR (1) | FR2518141B1 (de) |
| NO (1) | NO832783L (de) |
| WO (1) | WO1983002125A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI77062C (fi) * | 1986-12-31 | 1989-01-10 | Neste Oy | Foerfarande foer cirkulering av fenol vid en fenolkokningsprocess av lignocellulosamaterial. |
| FI77061C (fi) * | 1986-12-31 | 1989-01-10 | Neste Oy | Foerfarande foer separering av lignin och fenol fraon fenolloesningar. |
| DE19856582C1 (de) * | 1998-12-08 | 2001-03-15 | Rhodia Acetow Ag | Verfahren zur Gewinnung von Chemiezellstoff aus Hackschnitzeln |
| CN102186871B (zh) * | 2008-10-23 | 2014-03-19 | 独立行政法人科学技术振兴机构 | 浓酸处理部、浓酸处理方法、植物资源相分离系统转换装置和转换方法 |
| CA3110389A1 (en) * | 2021-02-25 | 2022-08-25 | Sixring Inc. | Modified sulfuric acid and uses thereof |
| CN113307983B (zh) * | 2021-05-21 | 2022-08-05 | 北京林业大学 | 一种绿色溶剂快速、高得率分离木质素的方法 |
| CN116770613A (zh) * | 2023-08-01 | 2023-09-19 | 贵州大学 | 热致液液相分离溶剂和纤维素预处理及组分分离的方法 |
| CN119570060A (zh) * | 2024-12-02 | 2025-03-07 | 齐鲁工业大学(山东省科学院) | 一种提取浅色酚化木质素的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE457089A (de) * | 1943-02-27 | |||
| FR989191A (fr) * | 1944-09-07 | 1951-09-05 | Traitement Chimique Des Vegeta | Procédé de traitement des matières fibreuses, plus particulièrement des végétaux en vue de l'obtention de la cellulose |
| US3215588A (en) * | 1963-08-15 | 1965-11-02 | Lummus Co | Continuous impregnation, cooking, and washing of fibrous material |
| AT336992B (de) * | 1975-02-18 | 1977-06-10 | Visch Khim T I Nis | Verfahren und vorrichtung zum herstellen von fasermaterial aus pflanzenrohstoffen |
| DE3161585D1 (en) * | 1980-06-20 | 1984-01-12 | Battelle Memorial Institute | A method for the delignification of wood and other ligno-cellulosic products |
| DE3168397D1 (en) * | 1980-11-20 | 1985-02-28 | Simmering Graz Pauker Ag | Process and apparatus for producing cellulose |
-
1982
- 1982-12-07 ES ES518003A patent/ES518003A0/es active Granted
- 1982-12-07 CA CA000417171A patent/CA1210209A/fr not_active Expired
- 1982-12-07 WO PCT/EP1982/000255 patent/WO1983002125A1/en not_active Ceased
- 1982-12-07 CH CH7108/82A patent/CH653054A5/fr not_active IP Right Cessation
- 1982-12-07 BR BR8208011A patent/BR8208011A/pt unknown
- 1982-12-07 EP EP83900024A patent/EP0097188A1/de not_active Withdrawn
- 1982-12-08 FR FR8220587A patent/FR2518141B1/fr not_active Expired
- 1982-12-09 EP EP82810536A patent/EP0082116B1/de not_active Expired
- 1982-12-09 AT AT82810536T patent/ATE16206T1/de not_active IP Right Cessation
- 1982-12-09 DE DE8282810536T patent/DE3267062D1/de not_active Expired
- 1982-12-09 BE BE0/209694A patent/BE895299A/fr not_active IP Right Cessation
- 1982-12-10 FI FI824244A patent/FI70938C/fi not_active IP Right Cessation
-
1983
- 1983-08-01 NO NO832783A patent/NO832783L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATE16206T1 (de) | 1985-11-15 |
| BR8208011A (pt) | 1983-11-08 |
| EP0097188A1 (de) | 1984-01-04 |
| FI70938B (fi) | 1986-07-18 |
| ES8404725A1 (es) | 1984-05-01 |
| DE3267062D1 (en) | 1985-11-28 |
| ES518003A0 (es) | 1984-05-01 |
| FI824244A0 (fi) | 1982-12-10 |
| FR2518141B1 (fr) | 1986-08-14 |
| FR2518141A1 (fr) | 1983-06-17 |
| FI824244L (fi) | 1983-06-11 |
| BE895299A (fr) | 1983-06-09 |
| EP0082116A1 (de) | 1983-06-22 |
| CH653054A5 (fr) | 1985-12-13 |
| FI70938C (fi) | 1986-10-27 |
| CA1210209A (fr) | 1986-08-26 |
| WO1983002125A1 (en) | 1983-06-23 |
| EP0082116B1 (de) | 1985-10-23 |
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