DE2410394A1 - Verfahren zum entwaessern eines waessrigen schlamms dispergierten, fein zerkleinerten feststoffes - Google Patents
Verfahren zum entwaessern eines waessrigen schlamms dispergierten, fein zerkleinerten feststoffesInfo
- Publication number
- DE2410394A1 DE2410394A1 DE2410394A DE2410394A DE2410394A1 DE 2410394 A1 DE2410394 A1 DE 2410394A1 DE 2410394 A DE2410394 A DE 2410394A DE 2410394 A DE2410394 A DE 2410394A DE 2410394 A1 DE2410394 A1 DE 2410394A1
- Authority
- DE
- Germany
- Prior art keywords
- particles
- polyelectrolyte
- pulp
- sand
- solids
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007787 solid Substances 0.000 title claims description 89
- 239000010802 sludge Substances 0.000 title claims description 74
- 238000000034 method Methods 0.000 title claims description 53
- 230000008569 process Effects 0.000 title description 10
- 239000002245 particle Substances 0.000 claims description 88
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 74
- 229920000867 polyelectrolyte Polymers 0.000 claims description 73
- 239000004576 sand Substances 0.000 claims description 61
- 239000000463 material Substances 0.000 claims description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 239000004927 clay Substances 0.000 claims description 34
- 239000000701 coagulant Substances 0.000 claims description 32
- 239000002367 phosphate rock Substances 0.000 claims description 30
- 239000002002 slurry Substances 0.000 claims description 30
- 229910019142 PO4 Inorganic materials 0.000 claims description 22
- 239000012736 aqueous medium Substances 0.000 claims description 22
- 239000010452 phosphate Substances 0.000 claims description 22
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 22
- 229920000642 polymer Polymers 0.000 claims description 15
- 239000002699 waste material Substances 0.000 claims description 14
- 239000011575 calcium Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 10
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 9
- 229910052791 calcium Inorganic materials 0.000 claims description 9
- 239000011343 solid material Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 229920002401 polyacrylamide Polymers 0.000 claims description 8
- 239000011435 rock Substances 0.000 claims description 8
- 239000008346 aqueous phase Substances 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 7
- 238000005189 flocculation Methods 0.000 claims description 7
- 230000016615 flocculation Effects 0.000 claims description 7
- 241000196324 Embryophyta Species 0.000 claims description 6
- 238000005345 coagulation Methods 0.000 claims description 6
- 230000015271 coagulation Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 125000000524 functional group Chemical group 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 239000003337 fertilizer Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 150000004679 hydroxides Chemical class 0.000 claims description 5
- 239000004571 lime Substances 0.000 claims description 5
- 238000004062 sedimentation Methods 0.000 claims description 5
- 125000000129 anionic group Chemical group 0.000 claims description 4
- 239000010881 fly ash Substances 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 230000009974 thixotropic effect Effects 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 125000002091 cationic group Chemical group 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 240000008042 Zea mays Species 0.000 claims description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 2
- 229960000892 attapulgite Drugs 0.000 claims description 2
- 239000000440 bentonite Substances 0.000 claims description 2
- 229910000278 bentonite Inorganic materials 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- 239000004566 building material Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 235000005822 corn Nutrition 0.000 claims description 2
- 229910052625 palygorskite Inorganic materials 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 229910014033 C-OH Inorganic materials 0.000 claims 2
- 229910014570 C—OH Inorganic materials 0.000 claims 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims 2
- 229910044991 metal oxide Inorganic materials 0.000 claims 2
- 150000004706 metal oxides Chemical class 0.000 claims 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 2
- 239000011236 particulate material Substances 0.000 claims 2
- 239000005995 Aluminium silicate Substances 0.000 claims 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 239000012773 agricultural material Substances 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 235000012211 aluminium silicate Nutrition 0.000 claims 1
- HPTYUNKZVDYXLP-UHFFFAOYSA-N aluminum;trihydroxy(trihydroxysilyloxy)silane;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O[Si](O)(O)O HPTYUNKZVDYXLP-UHFFFAOYSA-N 0.000 claims 1
- 229910052586 apatite Inorganic materials 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 claims 1
- 229910052621 halloysite Inorganic materials 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 229920005615 natural polymer Polymers 0.000 claims 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 229920001059 synthetic polymer Polymers 0.000 claims 1
- 229910052824 wavellite Inorganic materials 0.000 claims 1
- 229910052570 clay Inorganic materials 0.000 description 27
- 238000002156 mixing Methods 0.000 description 15
- 239000000047 product Substances 0.000 description 14
- 239000011162 core material Substances 0.000 description 13
- 239000002609 medium Substances 0.000 description 13
- 239000007788 liquid Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 238000000926 separation method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 150000002739 metals Chemical class 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 229920001448 anionic polyelectrolyte Polymers 0.000 description 4
- 229920006318 anionic polymer Polymers 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000004692 metal hydroxides Chemical class 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- -1 "urban ore" Substances 0.000 description 3
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 229910001424 calcium ion Inorganic materials 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 230000001112 coagulating effect Effects 0.000 description 3
- 239000007771 core particle Substances 0.000 description 3
- 239000008394 flocculating agent Substances 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 235000010755 mineral Nutrition 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical class [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 229920006317 cationic polymer Polymers 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920001560 Cyanamer® Polymers 0.000 description 1
- 108010082495 Dietary Plant Proteins Proteins 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 240000007930 Oxalis acetosella Species 0.000 description 1
- 235000008098 Oxalis acetosella Nutrition 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010042618 Surgical procedure repeated Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
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- 238000005119 centrifugation Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- DDSRCCOGHFIQDX-UHFFFAOYSA-N furan-2,5-dione;methoxymethane Chemical compound COC.O=C1OC(=O)C=C1 DDSRCCOGHFIQDX-UHFFFAOYSA-N 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- NPURPEXKKDAKIH-UHFFFAOYSA-N iodoimino(oxo)methane Chemical compound IN=C=O NPURPEXKKDAKIH-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000010169 landfilling Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000011824 nuclear material Substances 0.000 description 1
- 239000002773 nucleotide Substances 0.000 description 1
- 125000003729 nucleotide group Chemical group 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- HCTVWSOKIJULET-LQDWTQKMSA-M phenoxymethylpenicillin potassium Chemical compound [K+].N([C@H]1[C@H]2SC([C@@H](N2C1=O)C([O-])=O)(C)C)C(=O)COC1=CC=CC=C1 HCTVWSOKIJULET-LQDWTQKMSA-M 0.000 description 1
- 229920002432 poly(vinyl methyl ether) polymer Polymers 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006216 polyvinyl aromatic Polymers 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical class NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US33902673A | 1973-03-07 | 1973-03-07 | |
| US44216174A | 1974-02-19 | 1974-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2410394A1 true DE2410394A1 (de) | 1974-09-12 |
Family
ID=26991455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2410394A Pending DE2410394A1 (de) | 1973-03-07 | 1974-03-05 | Verfahren zum entwaessern eines waessrigen schlamms dispergierten, fein zerkleinerten feststoffes |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5025476A (enrdf_load_stackoverflow) |
| DE (1) | DE2410394A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1466185A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2502509A1 (fr) * | 1981-03-26 | 1982-10-01 | Licencia Talalmanyokat | Procede pour deshydrater des suspensions de matieres minerales |
| CN107055726A (zh) * | 2017-03-09 | 2017-08-18 | 深圳市寰保化工科技有限公司 | 一种复合絮凝剂及其制备方法和应用 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4478736A (en) * | 1983-01-14 | 1984-10-23 | Monier Resources, Inc. | Composition and process for the treatment of clay slimes |
| US4498993A (en) * | 1983-01-14 | 1985-02-12 | Monier Resources, Inc. | Process for the treatment of clay slimes |
| JPS60190769A (ja) * | 1984-03-09 | 1985-09-28 | Sagami Chem Res Center | ５−フルオロウラシルの製造方法 |
| GB2158429A (en) * | 1984-05-09 | 1985-11-13 | Water Res Centre | Flocculation and clarification of liquids |
| US5073272A (en) * | 1988-11-15 | 1991-12-17 | Aluminum Company Of America | Method for using a flocculant powder |
| US5688404A (en) * | 1995-06-07 | 1997-11-18 | Allied Colloids Limited | Phosphate recovery processes |
| RU2079454C1 (ru) * | 1995-07-18 | 1997-05-20 | Грудинин Владимир Павлович | Способ обработки избыточного активного ила |
| DE10333478A1 (de) * | 2003-07-22 | 2005-03-10 | Stockhausen Chem Fab Gmbh | Verfahren zur Behandlung von wässrigem Schlamm, danach hergestelltes Material und dessen Verwendung |
| RU2293710C2 (ru) * | 2005-01-11 | 2007-02-20 | Государственное образовательное учреждение высшего профессионального образования Архангельский государственный технический университет Федерального агентства по образованию (Рособразование) (АГТУ) | Устройство для обработки иловой смеси перед разделением |
| EP2906365B1 (en) | 2012-10-12 | 2021-06-09 | Blue Sky Mines Ltd. | Method of and system for treating incinerated waste |
| CN106430358A (zh) * | 2016-11-23 | 2017-02-22 | 郑州源冉生物技术有限公司 | 一种复合高效污水处理剂及其制备方法 |
| CN115196711B (zh) * | 2022-06-24 | 2023-06-16 | 中国地质调查局呼和浩特自然资源综合调查中心 | 一种岩心钻探泥浆废液循环处理方法 |
-
1974
- 1974-03-05 DE DE2410394A patent/DE2410394A1/de active Pending
- 1974-03-06 GB GB1007474A patent/GB1466185A/en not_active Expired
- 1974-03-06 JP JP49026700A patent/JPS5025476A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2502509A1 (fr) * | 1981-03-26 | 1982-10-01 | Licencia Talalmanyokat | Procede pour deshydrater des suspensions de matieres minerales |
| CN107055726A (zh) * | 2017-03-09 | 2017-08-18 | 深圳市寰保化工科技有限公司 | 一种复合絮凝剂及其制备方法和应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1466185A (en) | 1977-03-02 |
| JPS5025476A (enrdf_load_stackoverflow) | 1975-03-18 |
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