DK1274652T3 - Fremgangsmåde til rensning af vand ved anvendelse af kationiske dispersionspolymerer med lav molekylvægt - Google Patents

Fremgangsmåde til rensning af vand ved anvendelse af kationiske dispersionspolymerer med lav molekylvægt Download PDF

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Publication number: DK1274652T3
Authority: DK; Denmark
Prior art keywords: water; molecular weight; polymer; low molecular; dispersion
Prior art date: 2000-04-20

Application number

DK01924243.7T

Other languages

English (en)

Inventor

John W Sparapany

Richard P Cardile

Original Assignee

Nalco Chemical Co

Priority date (The priority date 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 date listed.)

2000-04-20

Filing date

2001-03-20

Publication date

2014-03-10

2001-03-20 Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co

2014-03-10 Application granted granted Critical

2014-03-10 Publication of DK1274652T3 publication Critical patent/DK1274652T3/da

Links

229920000642 polymer Polymers 0.000 title claims description 101
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 66
125000002091 cationic group Chemical group 0.000 title claims description 50
239000006185 dispersion Substances 0.000 title claims description 36
238000000034 method Methods 0.000 title claims description 33
230000008569 process Effects 0.000 title claims description 19
238000000746 purification Methods 0.000 title 1
239000007787 solid Substances 0.000 claims description 40
239000007864 aqueous solution Substances 0.000 claims description 27
HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 17
WQHCGPGATAYRLN-UHFFFAOYSA-N chloromethane;2-(dimethylamino)ethyl prop-2-enoate Chemical compound ClC.CN(C)CCOC(=O)C=C WQHCGPGATAYRLN-UHFFFAOYSA-N 0.000 claims description 17
238000006116 polymerization reaction Methods 0.000 claims description 15
125000000129 anionic group Chemical group 0.000 claims description 11
239000003795 chemical substances by application Substances 0.000 claims description 10
229920001897 terpolymer Polymers 0.000 claims description 9
238000012546 transfer Methods 0.000 claims description 9
239000003381 stabilizer Substances 0.000 claims description 8
238000005345 coagulation Methods 0.000 claims description 7
230000015271 coagulation Effects 0.000 claims description 7
238000000926 separation method Methods 0.000 claims description 6
239000002002 slurry Substances 0.000 claims description 6
DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 claims description 5
239000007764 o/w emulsion Substances 0.000 claims 1
239000008213 purified water Substances 0.000 claims 1
239000000178 monomer Substances 0.000 description 32
150000003839 salts Chemical group 0.000 description 31
239000004815 dispersion polymer Substances 0.000 description 21
239000000203 mixture Substances 0.000 description 20
239000000243 solution Substances 0.000 description 20
CEJFYGPXPSZIID-UHFFFAOYSA-N chloromethylbenzene;2-(dimethylamino)ethyl prop-2-enoate Chemical compound ClCC1=CC=CC=C1.CN(C)CCOC(=O)C=C CEJFYGPXPSZIID-UHFFFAOYSA-N 0.000 description 13
238000012360 testing method Methods 0.000 description 13
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
239000010802 sludge Substances 0.000 description 12
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LXEKPEMOWBOYRF-UHFFFAOYSA-N [2-[(1-azaniumyl-1-imino-2-methylpropan-2-yl)diazenyl]-2-methylpropanimidoyl]azanium;dichloride Chemical compound Cl.Cl.NC(=N)C(C)(C)N=NC(C)(C)C(N)=N LXEKPEMOWBOYRF-UHFFFAOYSA-N 0.000 description 10
239000007788 liquid Substances 0.000 description 10
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NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 6
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OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 3
KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 3
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
239000002202 Polyethylene glycol Substances 0.000 description 3
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 description 3
235000019270 ammonium chloride Nutrition 0.000 description 3
239000012986 chain transfer agent Substances 0.000 description 3
239000002270 dispersing agent Substances 0.000 description 3
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125000001188 haloalkyl group Chemical group 0.000 description 3
239000003999 initiator Substances 0.000 description 3
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229940050176 methyl chloride Drugs 0.000 description 3
238000002156 mixing Methods 0.000 description 3
229920001223 polyethylene glycol Polymers 0.000 description 3
229910001379 sodium hypophosphite Inorganic materials 0.000 description 3
239000004317 sodium nitrate Substances 0.000 description 3
235000010344 sodium nitrate Nutrition 0.000 description 3
229910052938 sodium sulfate Inorganic materials 0.000 description 3
235000011152 sodium sulphate Nutrition 0.000 description 3
238000003756 stirring Methods 0.000 description 3
239000002699 waste material Substances 0.000 description 3
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
229910019142 PO4 Inorganic materials 0.000 description 2
PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
150000001298 alcohols Chemical class 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
230000008901 benefit Effects 0.000 description 2
235000019445 benzyl alcohol Nutrition 0.000 description 2
125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
125000004432 carbon atom Chemical group C* 0.000 description 2
239000013522 chelant Substances 0.000 description 2
BHDFTVNXJDZMQK-UHFFFAOYSA-N chloromethane;2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound ClC.CN(C)CCOC(=O)C(C)=C BHDFTVNXJDZMQK-UHFFFAOYSA-N 0.000 description 2
ZTUMLBMROBHIIH-UHFFFAOYSA-N chloromethylbenzene;2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound ClCC1=CC=CC=C1.CN(C)CCOC(=O)C(C)=C ZTUMLBMROBHIIH-UHFFFAOYSA-N 0.000 description 2
239000000084 colloidal system Substances 0.000 description 2
238000001035 drying Methods 0.000 description 2
239000004744 fabric Substances 0.000 description 2
125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
238000005259 measurement Methods 0.000 description 2
FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 2
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
125000001624 naphthyl group Chemical group 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 2
235000021317 phosphate Nutrition 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
DOKHEARVIDLSFF-UHFFFAOYSA-N prop-1-en-1-ol Chemical group CC=CO DOKHEARVIDLSFF-UHFFFAOYSA-N 0.000 description 2
238000010526 radical polymerization reaction Methods 0.000 description 2
229930195734 saturated hydrocarbon Natural products 0.000 description 2
238000004062 sedimentation Methods 0.000 description 2
239000002904 solvent Substances 0.000 description 2
230000000087 stabilizing effect Effects 0.000 description 2
239000004094 surface-active agent Substances 0.000 description 2
UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 description 2
UZNHKBFIBYXPDV-UHFFFAOYSA-N trimethyl-[3-(2-methylprop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)NCCC[N+](C)(C)C UZNHKBFIBYXPDV-UHFFFAOYSA-N 0.000 description 2
229920003169 water-soluble polymer Polymers 0.000 description 2
WUIJTQZXUURFQU-UHFFFAOYSA-N 1-methylsulfonylethene Chemical compound CS(=O)(=O)C=C WUIJTQZXUURFQU-UHFFFAOYSA-N 0.000 description 1
FDRMJKDXTZDBHQ-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate;methyl hydrogen sulfate Chemical compound COS([O-])(=O)=O.C[NH+](C)CCOC(=O)C(C)=C FDRMJKDXTZDBHQ-UHFFFAOYSA-N 0.000 description 1
RFPLNIBCLGFBKV-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate;methyl hydrogen sulfate Chemical compound COS([O-])(=O)=O.C[NH+](C)CCOC(=O)C=C RFPLNIBCLGFBKV-UHFFFAOYSA-N 0.000 description 1
WYGWHHGCAGTUCH-UHFFFAOYSA-N 2-[(2-cyano-4-methylpentan-2-yl)diazenyl]-2,4-dimethylpentanenitrile Chemical compound CC(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)C WYGWHHGCAGTUCH-UHFFFAOYSA-N 0.000 description 1
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229910002651 NO3 Inorganic materials 0.000 description 1
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229910000831 Steel Inorganic materials 0.000 description 1
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XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
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125000000746 allylic group Chemical group 0.000 description 1
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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
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230000003190 augmentative effect Effects 0.000 description 1
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GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
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125000005998 bromoethyl group Chemical group 0.000 description 1
238000004364 calculation method Methods 0.000 description 1
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MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
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235000019797 dipotassium phosphate Nutrition 0.000 description 1
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239000004816 latex Substances 0.000 description 1
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229910052943 magnesium sulfate Inorganic materials 0.000 description 1
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238000010297 mechanical methods and process Methods 0.000 description 1
230000005226 mechanical processes and functions Effects 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
GRVDJDISBSALJP-UHFFFAOYSA-N methyloxidanyl Chemical group [O]C GRVDJDISBSALJP-UHFFFAOYSA-N 0.000 description 1
238000005065 mining Methods 0.000 description 1
OKPYIWASQZGASP-UHFFFAOYSA-N n-(2-hydroxypropyl)-2-methylprop-2-enamide Chemical compound CC(O)CNC(=O)C(C)=C OKPYIWASQZGASP-UHFFFAOYSA-N 0.000 description 1
QYZFTMMPKCOTAN-UHFFFAOYSA-N n-[2-(2-hydroxyethylamino)ethyl]-2-[[1-[2-(2-hydroxyethylamino)ethylamino]-2-methyl-1-oxopropan-2-yl]diazenyl]-2-methylpropanamide Chemical compound OCCNCCNC(=O)C(C)(C)N=NC(C)(C)C(=O)NCCNCCO QYZFTMMPKCOTAN-UHFFFAOYSA-N 0.000 description 1
PNLUGRYDUHRLOF-UHFFFAOYSA-N n-ethenyl-n-methylacetamide Chemical compound C=CN(C)C(C)=O PNLUGRYDUHRLOF-UHFFFAOYSA-N 0.000 description 1
RQAKESSLMFZVMC-UHFFFAOYSA-N n-ethenylacetamide Chemical compound CC(=O)NC=C RQAKESSLMFZVMC-UHFFFAOYSA-N 0.000 description 1
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125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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125000004433 nitrogen atom Chemical group N* 0.000 description 1
150000002891 organic anions Chemical class 0.000 description 1
150000004028 organic sulfates Chemical class 0.000 description 1
239000006174 pH buffer Substances 0.000 description 1
125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
239000011236 particulate material Substances 0.000 description 1
150000002978 peroxides Chemical class 0.000 description 1
125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
125000004344 phenylpropyl group Chemical group 0.000 description 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
239000010452 phosphate Substances 0.000 description 1
150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
229920002959 polymer blend Polymers 0.000 description 1
230000000379 polymerizing effect Effects 0.000 description 1
238000012545 processing Methods 0.000 description 1
BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
238000011084 recovery Methods 0.000 description 1
238000004064 recycling Methods 0.000 description 1
230000009467 reduction Effects 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
239000011347 resin Substances 0.000 description 1
229920005989 resin Polymers 0.000 description 1
239000012266 salt solution Substances 0.000 description 1
AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
235000019345 sodium thiosulphate Nutrition 0.000 description 1
239000002689 soil Substances 0.000 description 1
241000894007 species Species 0.000 description 1
239000012086 standard solution Substances 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
239000008107 starch Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
125000001424 substituent group Chemical group 0.000 description 1
238000003786 synthesis reaction Methods 0.000 description 1
239000002562 thickening agent Substances 0.000 description 1
125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
OEIXGLMQZVLOQX-UHFFFAOYSA-N trimethyl-[3-(prop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCCNC(=O)C=C OEIXGLMQZVLOQX-UHFFFAOYSA-N 0.000 description 1
125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
229920002554 vinyl polymer Polymers 0.000 description 1
125000002348 vinylic group Chemical group 0.000 description 1
239000003643 water by type Substances 0.000 description 1
239000002349 well water Substances 0.000 description 1
235000020681 well water Nutrition 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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/682—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of chemical compounds for dispersing an oily layer on water
- 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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
- 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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/148—Combined use of inorganic and organic substances, being added in the same treatment step
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Environmental & Geological Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Water Supply & Treatment (AREA)
Engineering & Computer Science (AREA)
Hydrology & Water Resources (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Paper (AREA)

DK01924243.7T 2000-04-20 2001-03-20 Fremgangsmåde til rensning af vand ved anvendelse af kationiske dispersionspolymerer med lav molekylvægt DK1274652T3 (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US09/553,876 US6398967B2 (en)	2000-04-20	2000-04-20	Method of clarifying water using low molecular weight cationic dispersion polymers
PCT/US2001/009060 WO2001081252A1 (en)	2000-04-20	2001-03-20	Method of clarifying water using low molecular weight cationic dispersion polymers

Publications (1)

Publication Number	Publication Date
DK1274652T3 true DK1274652T3 (da)	2014-03-10

Family

ID=24211126

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK01924243.7T DK1274652T3 (da)	2000-04-20	2001-03-20	Fremgangsmåde til rensning af vand ved anvendelse af kationiske dispersionspolymerer med lav molekylvægt

Country Status (9)

Country	Link
US (2)	US6398967B2 (da)
EP (1)	EP1274652B1 (da)
KR (1)	KR100777638B1 (da)
AR (1)	AR028540A1 (da)
AU (1)	AU2001250915A1 (da)
DK (1)	DK1274652T3 (da)
ES (1)	ES2442290T3 (da)
TW (1)	TWI246987B (da)
WO (1)	WO2001081252A1 (da)

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CN105399896A (zh) *	2014-09-06	2016-03-16	天津市金鳞水处理科技有限公司	一种吸附重金属离子和酚类化合物的凝胶材料的制备方法及其产品
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2000
- 2000-04-20 US US09/553,876 patent/US6398967B2/en not_active Expired - Lifetime
2001
- 2001-03-20 ES ES01924243.7T patent/ES2442290T3/es not_active Expired - Lifetime
- 2001-03-20 DK DK01924243.7T patent/DK1274652T3/da active
- 2001-03-20 WO PCT/US2001/009060 patent/WO2001081252A1/en not_active Ceased
- 2001-03-20 AU AU2001250915A patent/AU2001250915A1/en not_active Abandoned
- 2001-03-20 KR KR1020027013832A patent/KR100777638B1/ko not_active Expired - Lifetime
- 2001-03-20 EP EP01924243.7A patent/EP1274652B1/en not_active Expired - Lifetime
- 2001-04-03 TW TW090107968A patent/TWI246987B/zh not_active IP Right Cessation
- 2001-04-19 AR ARP010101839A patent/AR028540A1/es active IP Right Grant
2002
- 2002-01-04 US US10/035,872 patent/US6517677B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
ES2442290T3 (es)	2014-02-11
EP1274652A1 (en)	2003-01-15
AR028540A1 (es)	2003-05-14
AU2001250915A1 (en)	2001-11-07
KR100777638B1 (ko)	2007-11-27
EP1274652B1 (en)	2013-12-18
EP1274652A4 (en)	2004-09-15
WO2001081252A1 (en)	2001-11-01
US6398967B2 (en)	2002-06-04
US6517677B1 (en)	2003-02-11
KR20030001427A (ko)	2003-01-06
TWI246987B (en)	2006-01-11
US20010052501A1 (en)	2001-12-20

Publication	Publication Date	Title
DK1274652T3 (da)	2014-03-10	Fremgangsmåde til rensning af vand ved anvendelse af kationiske dispersionspolymerer med lav molekylvægt
JP4141141B2 (ja)	2008-08-27	浄化及び脱水用陰イオン性及び非イオン性分散ポリマー
KR100189045B1 (ko)	1999-06-01	표백된 화학-열 기계적 펄프/화학-열 기계적 펄프 폐수의 처리방법
US6617402B2 (en)	2003-09-09	Polymer flocculants with improved dewatering characteristics
US6171505B1 (en)	2001-01-09	Higher actives dispersion polymer to aid clarification, dewatering, and retention and drainage
KR100468554B1 (ko)	2005-03-16	잉크제거처리수의정화를위한친수성분산중합체
US3647769A (en)	1972-03-07	Reaction products of polynitriles water and amines
JP5649279B2 (ja)	2015-01-07	下水消化汚泥の脱水方法
AU775362B2 (en)	2004-07-29	Higher actives dispersion polymer to aid clarification, dewatering, and retention and drainage
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