DE1920590A1 - Verfahren zur Ausflockung von Feststoffen und Entwaesserung von Abwasserschlaemmen - Google Patents
Verfahren zur Ausflockung von Feststoffen und Entwaesserung von AbwasserschlaemmenInfo
- Publication number
- DE1920590A1 DE1920590A1 DE19691920590 DE1920590A DE1920590A1 DE 1920590 A1 DE1920590 A1 DE 1920590A1 DE 19691920590 DE19691920590 DE 19691920590 DE 1920590 A DE1920590 A DE 1920590A DE 1920590 A1 DE1920590 A1 DE 1920590A1
- Authority
- DE
- Germany
- Prior art keywords
- crosslinking agent
- dispersion
- polymeric material
- molecular weight
- sludge
- 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
- 238000000034 method Methods 0.000 title claims description 33
- 239000007787 solid Substances 0.000 title claims description 18
- 239000010801 sewage sludge Substances 0.000 title claims description 9
- 238000005189 flocculation Methods 0.000 title claims description 3
- 230000016615 flocculation Effects 0.000 title claims description 3
- 230000008569 process Effects 0.000 title description 4
- 229920000642 polymer Polymers 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 34
- 239000006185 dispersion Substances 0.000 claims description 33
- 239000002245 particle Substances 0.000 claims description 23
- 239000003431 cross linking reagent Substances 0.000 claims description 22
- 239000010802 sludge Substances 0.000 claims description 15
- 229920002873 Polyethylenimine Polymers 0.000 claims description 8
- 239000000575 pesticide Substances 0.000 claims description 8
- 229920000867 polyelectrolyte Polymers 0.000 claims description 8
- 125000002091 cationic group Chemical group 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 229920002401 polyacrylamide Polymers 0.000 claims description 6
- 125000000129 anionic group Chemical group 0.000 claims description 5
- 239000002612 dispersion medium Substances 0.000 claims description 4
- 239000002609 medium Substances 0.000 claims description 4
- 150000001408 amides Chemical class 0.000 claims description 3
- -1 amino, imino Chemical group 0.000 claims description 2
- 230000003311 flocculating effect Effects 0.000 claims description 2
- 229920001281 polyalkylene Polymers 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 239000012736 aqueous medium Substances 0.000 claims 1
- 125000000524 functional group Chemical group 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 claims 1
- 239000000725 suspension Substances 0.000 description 15
- 239000000126 substance Substances 0.000 description 12
- 238000001914 filtration Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- 239000000706 filtrate Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 4
- 230000008602 contraction Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000012065 filter cake Substances 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 241000607479 Yersinia pestis Species 0.000 description 3
- 229920001448 anionic polyelectrolyte Polymers 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- VVJKKWFAADXIJK-UHFFFAOYSA-N Allylamine Chemical compound NCC=C VVJKKWFAADXIJK-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- DXLZNKULUVFFFY-UHFFFAOYSA-N 2-aminoethyl prop-2-enoate;hydrochloride Chemical compound Cl.NCCOC(=O)C=C DXLZNKULUVFFFY-UHFFFAOYSA-N 0.000 description 1
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-vinylpyridine Chemical compound C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 206010016807 Fluid retention Diseases 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 206010035148 Plague Diseases 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 229920006318 anionic polymer Polymers 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- XFOZBWSTIQRFQW-UHFFFAOYSA-M benzyl-dimethyl-prop-2-enylazanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC1=CC=CC=C1 XFOZBWSTIQRFQW-UHFFFAOYSA-M 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- LYKJEJVAXSGWAJ-UHFFFAOYSA-N compactone Natural products CC1(C)CCCC2(C)C1CC(=O)C3(O)CC(C)(CCC23)C=C LYKJEJVAXSGWAJ-UHFFFAOYSA-N 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 238000009950 felting Methods 0.000 description 1
- IMBKASBLAKCLEM-UHFFFAOYSA-L ferrous ammonium sulfate (anhydrous) Chemical compound [NH4+].[NH4+].[Fe+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O IMBKASBLAKCLEM-UHFFFAOYSA-L 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000006194 liquid suspension Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical group OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007962 solid dispersion Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 125000005208 trialkylammonium group Chemical group 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 229920003169 water-soluble polymer Polymers 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
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)
- Colloid Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE544668A SE331979B (enExample) | 1968-04-23 | 1968-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1920590A1 true DE1920590A1 (de) | 1969-12-04 |
Family
ID=20266482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691920590 Pending DE1920590A1 (de) | 1968-04-23 | 1969-04-23 | Verfahren zur Ausflockung von Feststoffen und Entwaesserung von Abwasserschlaemmen |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1920590A1 (enExample) |
| FR (1) | FR2013320A1 (enExample) |
| NL (1) | NL6906296A (enExample) |
| SE (1) | SE331979B (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0026616A1 (en) * | 1979-10-01 | 1981-04-08 | PIRA, The Research Association for the Paper & Board Printing and Packaging Industries | Process for improving the quality of pulp obtained from wastepaper |
| EP0163444A1 (en) * | 1984-05-10 | 1985-12-04 | Albright & Wilson Limited | Composition and method of deinking of recycled cellulosic material |
| DE10062696A1 (de) * | 2000-12-15 | 2002-06-20 | Bernhard Wietrzynski | Schraubeinheit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2125781C3 (de) * | 1971-05-25 | 1979-04-26 | Norddeutsche Affinerie, 2000 Hamburg | Verfahren zum Aufbringen von Zinnsäure |
-
1968
- 1968-04-23 SE SE544668A patent/SE331979B/xx unknown
-
1969
- 1969-04-23 FR FR6912826A patent/FR2013320A1/fr active Pending
- 1969-04-23 DE DE19691920590 patent/DE1920590A1/de active Pending
- 1969-04-23 NL NL6906296A patent/NL6906296A/xx unknown
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0026616A1 (en) * | 1979-10-01 | 1981-04-08 | PIRA, The Research Association for the Paper & Board Printing and Packaging Industries | Process for improving the quality of pulp obtained from wastepaper |
| EP0163444A1 (en) * | 1984-05-10 | 1985-12-04 | Albright & Wilson Limited | Composition and method of deinking of recycled cellulosic material |
| US4919754A (en) * | 1984-05-10 | 1990-04-24 | Albright & Wilson Limited | Composition wherein recycled cellulosic pulp is deinked |
| US5073234A (en) * | 1984-05-10 | 1991-12-17 | Albright & Wilson Limited | Composition and method of deinking of recycled cellulosic material |
| DE10062696A1 (de) * | 2000-12-15 | 2002-06-20 | Bernhard Wietrzynski | Schraubeinheit |
Also Published As
| Publication number | Publication date |
|---|---|
| SE331979B (enExample) | 1971-01-25 |
| FR2013320A1 (en) | 1970-04-03 |
| NL6906296A (enExample) | 1969-10-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SH | Request for examination between 03.10.1968 and 22.04.1971 |