CA2672467A1 - Tannin based polymeric coagulants composition and method of use - Google Patents
Tannin based polymeric coagulants composition and method of use Download PDFInfo
- Publication number
- CA2672467A1 CA2672467A1 CA002672467A CA2672467A CA2672467A1 CA 2672467 A1 CA2672467 A1 CA 2672467A1 CA 002672467 A CA002672467 A CA 002672467A CA 2672467 A CA2672467 A CA 2672467A CA 2672467 A1 CA2672467 A1 CA 2672467A1
- Authority
- CA
- Canada
- Prior art keywords
- coagulant
- tannin
- wastewater
- polymeric
- acrylamide copolymers
- 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.)
- Abandoned
Links
- 229920001864 tannin Polymers 0.000 title claims abstract description 137
- 239000001648 tannin Substances 0.000 title claims abstract description 137
- 235000018553 tannin Nutrition 0.000 title claims abstract description 93
- 239000000701 coagulant Substances 0.000 title claims abstract description 78
- 239000000203 mixture Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000002351 wastewater Substances 0.000 claims abstract description 68
- 125000002091 cationic group Chemical group 0.000 claims abstract description 21
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 claims abstract description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 14
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 claims abstract description 14
- 229940001584 sodium metabisulfite Drugs 0.000 claims abstract description 14
- 235000010262 sodium metabisulphite Nutrition 0.000 claims abstract description 14
- 239000000178 monomer Substances 0.000 claims abstract description 10
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 229920006322 acrylamide copolymer Polymers 0.000 claims description 28
- 239000008394 flocculating agent Substances 0.000 claims description 27
- 125000000129 anionic group Chemical group 0.000 claims description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 238000006116 polymerization reaction Methods 0.000 claims description 11
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 10
- 229920002126 Acrylic acid copolymer Polymers 0.000 claims description 10
- 238000011282 treatment Methods 0.000 claims description 9
- RRHXZLALVWBDKH-UHFFFAOYSA-M trimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)OCC[N+](C)(C)C RRHXZLALVWBDKH-UHFFFAOYSA-M 0.000 claims description 8
- 229920002770 condensed tannin Polymers 0.000 claims description 6
- 239000012966 redox initiator Substances 0.000 claims description 6
- 230000000379 polymerizing effect Effects 0.000 claims description 5
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 claims 4
- 229920002401 polyacrylamide Polymers 0.000 claims 4
- 229920002246 poly[2-(dimethylamino)ethyl methacrylate] polymer Polymers 0.000 claims 3
- SSONCJTVDRSLNK-UHFFFAOYSA-N 2-methylprop-2-enoic acid;hydrochloride Chemical compound Cl.CC(=C)C(O)=O SSONCJTVDRSLNK-UHFFFAOYSA-N 0.000 claims 2
- 238000012545 processing Methods 0.000 abstract description 6
- 235000013361 beverage Nutrition 0.000 abstract description 5
- 235000013305 food Nutrition 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000012736 aqueous medium Substances 0.000 abstract description 4
- 238000012993 chemical processing Methods 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 150000002739 metals Chemical class 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 3
- 229930195733 hydrocarbon Natural products 0.000 abstract description 3
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 3
- 229920001577 copolymer Polymers 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 description 29
- 238000012360 testing method Methods 0.000 description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- 244000144977 poultry Species 0.000 description 16
- 239000007787 solid Substances 0.000 description 13
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 12
- 238000002360 preparation method Methods 0.000 description 11
- 235000015278 beef Nutrition 0.000 description 10
- 210000000051 wattle Anatomy 0.000 description 8
- 238000005352 clarification Methods 0.000 description 7
- DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000000284 extract Substances 0.000 description 6
- 229940050176 methyl chloride Drugs 0.000 description 6
- 235000017343 Quebracho blanco Nutrition 0.000 description 5
- 241000065615 Schinopsis balansae Species 0.000 description 5
- 239000003999 initiator Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 235000013365 dairy product Nutrition 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 230000001112 coagulating effect Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 244000283070 Abies balsamea Species 0.000 description 2
- 235000007173 Abies balsamea Nutrition 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 244000305267 Quercus macrolepis Species 0.000 description 2
- -1 amino compound Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000009300 dissolved air flotation Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 239000008240 homogeneous mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- PFTAWBLQPZVEMU-DZGCQCFKSA-N (+)-catechin Chemical compound C1([C@H]2OC3=CC(O)=CC(O)=C3C[C@@H]2O)=CC=C(O)C(O)=C1 PFTAWBLQPZVEMU-DZGCQCFKSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QCQCHGYLTSGIGX-GHXANHINSA-N 4-[[(3ar,5ar,5br,7ar,9s,11ar,11br,13as)-5a,5b,8,8,11a-pentamethyl-3a-[(5-methylpyridine-3-carbonyl)amino]-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3h-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid Chemical compound N([C@@]12CC[C@@]3(C)[C@]4(C)CC[C@H]5C(C)(C)[C@@H](OC(=O)CC(C)(C)C(O)=O)CC[C@]5(C)[C@H]4CC[C@@H]3C1=C(C(C2)=O)C(C)C)C(=O)C1=CN=CC(C)=C1 QCQCHGYLTSGIGX-GHXANHINSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 240000006409 Acacia auriculiformis Species 0.000 description 1
- 241000048176 Astronium urundeuva Species 0.000 description 1
- 244000036978 Caesalpinia bonduc Species 0.000 description 1
- 235000014145 Caesalpinia bonduc Nutrition 0.000 description 1
- 235000009133 Caesalpinia coriaria Nutrition 0.000 description 1
- 235000005082 Caesalpinia paraguariensis Nutrition 0.000 description 1
- 235000017399 Caesalpinia tinctoria Nutrition 0.000 description 1
- 241001070941 Castanea Species 0.000 description 1
- 235000014036 Castanea Nutrition 0.000 description 1
- 240000006555 Chamaerops humilis Species 0.000 description 1
- 244000119298 Emblica officinalis Species 0.000 description 1
- 235000015489 Emblica officinalis Nutrition 0.000 description 1
- 244000004281 Eucalyptus maculata Species 0.000 description 1
- 241000218652 Larix Species 0.000 description 1
- 235000005590 Larix decidua Nutrition 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 240000002044 Rhizophora apiculata Species 0.000 description 1
- 240000003152 Rhus chinensis Species 0.000 description 1
- 235000014220 Rhus chinensis Nutrition 0.000 description 1
- 244000107498 Rumex hymenosepalus Species 0.000 description 1
- 235000015290 Rumex hymenosepalus Nutrition 0.000 description 1
- 241000124033 Salix Species 0.000 description 1
- 241000689272 Senna sophera Species 0.000 description 1
- 229920002253 Tannate Polymers 0.000 description 1
- 241000388430 Tara Species 0.000 description 1
- 235000011517 Terminalia chebula Nutrition 0.000 description 1
- 241001478802 Valonia Species 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 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
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 239000000416 hydrocolloid Substances 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical group 0.000 description 1
- 235000021309 simple sugar Nutrition 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 235000019871 vegetable fat Nutrition 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 244000089265 zong er cha Species 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
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/547—Tensides
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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/615,400 US7998351B2 (en) | 2006-12-22 | 2006-12-22 | Tannin based polymeric coagulants composition and method of use |
| US11/615,400 | 2006-12-22 | ||
| PCT/US2007/086969 WO2008079652A1 (en) | 2006-12-22 | 2007-12-10 | Tannin based polymeric coagulants composition and method of use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2672467A1 true CA2672467A1 (en) | 2008-07-03 |
Family
ID=39271197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002672467A Abandoned CA2672467A1 (en) | 2006-12-22 | 2007-12-10 | Tannin based polymeric coagulants composition and method of use |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7998351B2 (enExample) |
| EP (1) | EP2097353A1 (enExample) |
| JP (1) | JP5167271B2 (enExample) |
| CN (1) | CN101610983A (enExample) |
| AR (1) | AR064498A1 (enExample) |
| AU (1) | AU2007337213B2 (enExample) |
| CA (1) | CA2672467A1 (enExample) |
| WO (1) | WO2008079652A1 (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7943048B2 (en) * | 2008-04-29 | 2011-05-17 | General Electric Company | Methods for recovering tallow from wastewater |
| EP2318109A4 (en) * | 2008-07-31 | 2014-01-15 | Gen Electric | METHOD FOR REMOVING FATS, OIL AND LUBRICATING GREASE AND RECOVERING TALG FROM WASTE WATER |
| US7611632B1 (en) * | 2008-11-07 | 2009-11-03 | General Electric Company | Method of conditioning mixed liquor using a tannin containing polymer |
| US8858802B2 (en) * | 2009-12-18 | 2014-10-14 | General Electric Company | Deoiling of SAGD produce water |
| US8858803B2 (en) | 2010-11-22 | 2014-10-14 | General Electric Company | Methods of preparing novel halide anion free quaternary ammonium salt monomers, polymerization methods therefor, and methods of use of the resulting polymers |
| CN102153709B (zh) * | 2011-01-29 | 2013-05-01 | 陕西科技大学 | 一种栲胶接枝共聚阳离子絮凝剂 |
| CN102205232A (zh) * | 2011-03-25 | 2011-10-05 | 东北林业大学 | 一种落叶松单宁金属离子吸附剂的研制 |
| US9017412B2 (en) | 2011-04-29 | 2015-04-28 | Life Spine, Inc. | Spinal interbody implant with bone screw retention |
| JP6212044B2 (ja) * | 2011-09-28 | 2017-10-11 | ゼネラル・エレクトリック・カンパニイ | タンニン含有ポリマーを用いて藻類を凝集させる方法 |
| US8518267B2 (en) | 2011-12-15 | 2013-08-27 | General Electric Company | Treatment of surfactant laden wastewater |
| CN102836666A (zh) * | 2012-09-21 | 2012-12-26 | 深圳市仁金新能源发展有限公司 | 生活垃圾或污泥压榨水工业化生产成洁净液体燃料的方法及设备 |
| US20140124452A1 (en) * | 2012-11-07 | 2014-05-08 | General Electric Company | Methods for removing mercury from wastewater streams |
| US9889014B2 (en) | 2014-02-06 | 2018-02-13 | Life Spine, Inc. | Implant for bone fixation |
| US9877759B2 (en) | 2014-02-06 | 2018-01-30 | Life Spine, Inc. | Foot implant for bone fixation |
| CN104828917B (zh) * | 2015-04-28 | 2017-11-07 | 浙江长安仁恒科技股份有限公司 | 一种多功能废液处理剂及其应用 |
| CN106477831B (zh) * | 2016-09-30 | 2019-08-16 | 华东理工大学 | 一种污泥分级转化生产液体燃料的工艺方法 |
| CN107162114A (zh) * | 2017-08-01 | 2017-09-15 | 青岛威瑞德环境科技有限公司 | 一种大蒜废水前处理方法 |
| CA3110365C (en) | 2018-08-29 | 2023-05-09 | Ecolab Usa Inc. | Use of multiple charged ionic compounds derived from polyamines for waste water clarification |
| US20220267177A1 (en) | 2019-08-06 | 2022-08-25 | Kemira Oyj | Compositions and methods for treating wastewater |
| BR102020005579A2 (pt) * | 2020-03-20 | 2020-05-19 | Tanac S A | processo para preparar um coagulante de origem natural para tratamento de águas e efluentes aquosos, e, coagulante de origem natural. |
| EP4015465B1 (en) | 2020-12-17 | 2024-10-16 | Servyeco Iberia, S.L. | Coagulating agent of vegetal origin for water treatment |
| CN119978188B (zh) * | 2025-04-11 | 2025-09-23 | 山东大学 | 一种辐照接枝制备季膦化改性单宁基有机絮凝剂的方法及其产品和应用 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5626476B2 (enExample) * | 1974-06-14 | 1981-06-18 | ||
| US4558080A (en) | 1984-01-24 | 1985-12-10 | Dearborn Chemical Company | Stable tannin based polymer compound |
| CA1291001C (en) * | 1986-01-28 | 1991-10-22 | David W. Kelly | Composition and method for flocculating and removing solids suspended inwater |
| US5169540A (en) | 1988-09-23 | 1992-12-08 | Betz Laboratories, Inc. | Stable blends of cationic water-in-oil emulsion polymers and cationic aqueous solution polymers |
| US5100561A (en) | 1990-06-06 | 1992-03-31 | Betz Laboratories, Inc. | Cationic polymers for sludge dewatering |
| US5256304A (en) * | 1992-06-05 | 1993-10-26 | Betz Laboratories, Inc. | Methods of removing oil and metal ions from oily wastewater |
| US5643462A (en) | 1993-06-22 | 1997-07-01 | Betzdearborn Inc. | Composition and method for water clarification |
| US5916991A (en) | 1993-06-22 | 1999-06-29 | Betzdearborn Inc. | Composition and method for water clarification |
| AU669985B2 (en) * | 1993-06-22 | 1996-06-27 | Betz International, Inc. | Compositions and methods for water clarification and wastewater treatment |
| US5846436A (en) * | 1993-06-22 | 1998-12-08 | Betzdearborn Inc. | Composition and method for water clarification |
| US5614103A (en) * | 1993-06-22 | 1997-03-25 | Betzdearborn, Inc. | Methods for detackifying paint spray booth water |
| US5433863A (en) | 1993-11-17 | 1995-07-18 | Nalco Chemical Company | Method for clarifying wastewater containing surfactants |
| US5659002A (en) * | 1995-03-24 | 1997-08-19 | Nalco Chemical Company | Modified tannin mannich polymers |
| US5693216A (en) | 1996-06-03 | 1997-12-02 | Betzdearborn Inc. | Method of and composition for breaking oil and water emulsions in crude oil processing operations |
| US6020422A (en) | 1996-11-15 | 2000-02-01 | Betzdearborn Inc. | Aqueous dispersion polymers |
| US5720887A (en) | 1996-11-21 | 1998-02-24 | Betzdearborn Inc. | Methods for sludge dewatering |
| JP2000312900A (ja) * | 1999-04-30 | 2000-11-14 | Mitsubishi Rayon Co Ltd | 有機汚泥の脱水方法 |
| BR9904021A (pt) | 1999-08-27 | 2001-04-24 | Tanac S A | Processo de fabricação de um agente coagulante/floculante vegetal tanato quaternário de amÈnio. |
-
2006
- 2006-12-22 US US11/615,400 patent/US7998351B2/en not_active Expired - Fee Related
-
2007
- 2007-12-10 AU AU2007337213A patent/AU2007337213B2/en not_active Ceased
- 2007-12-10 CA CA002672467A patent/CA2672467A1/en not_active Abandoned
- 2007-12-10 JP JP2009543057A patent/JP5167271B2/ja not_active Expired - Fee Related
- 2007-12-10 CN CNA2007800476660A patent/CN101610983A/zh active Pending
- 2007-12-10 EP EP07865460A patent/EP2097353A1/en not_active Withdrawn
- 2007-12-10 WO PCT/US2007/086969 patent/WO2008079652A1/en not_active Ceased
- 2007-12-21 AR ARP070105863A patent/AR064498A1/es not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| AU2007337213A1 (en) | 2008-07-03 |
| AR064498A1 (es) | 2009-04-08 |
| EP2097353A1 (en) | 2009-09-09 |
| JP2010513024A (ja) | 2010-04-30 |
| CN101610983A (zh) | 2009-12-23 |
| US20080149569A1 (en) | 2008-06-26 |
| JP5167271B2 (ja) | 2013-03-21 |
| US7998351B2 (en) | 2011-08-16 |
| WO2008079652A1 (en) | 2008-07-03 |
| AU2007337213B2 (en) | 2012-06-28 |
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