CA1060591A - Method for removing phosphates from aqueous solutions - Google Patents
Method for removing phosphates from aqueous solutionsInfo
- Publication number
- CA1060591A CA1060591A CA254,090A CA254090A CA1060591A CA 1060591 A CA1060591 A CA 1060591A CA 254090 A CA254090 A CA 254090A CA 1060591 A CA1060591 A CA 1060591A
- Authority
- CA
- Canada
- Prior art keywords
- groups
- organic ligand
- acid
- group
- iron
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 229910019142 PO4 Inorganic materials 0.000 title claims abstract description 23
- 235000021317 phosphate Nutrition 0.000 title claims abstract description 21
- 239000007864 aqueous solution Substances 0.000 title claims abstract description 6
- 150000003013 phosphoric acid derivatives Chemical class 0.000 title claims abstract description 6
- 239000000243 solution Substances 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 20
- 239000013110 organic ligand Substances 0.000 claims abstract description 12
- 239000002253 acid Substances 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 46
- 229910052742 iron Inorganic materials 0.000 claims description 22
- 239000010452 phosphate Substances 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 230000009918 complex formation Effects 0.000 claims description 6
- 239000003446 ligand Substances 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 5
- 150000001408 amides Chemical class 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- 150000001455 metallic ions Chemical class 0.000 claims description 4
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000007127 saponification reaction Methods 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims description 2
- 229910052776 Thorium Inorganic materials 0.000 claims description 2
- 150000007513 acids Chemical group 0.000 claims description 2
- 125000003368 amide group Chemical group 0.000 claims description 2
- 150000008064 anhydrides Chemical class 0.000 claims description 2
- 125000004185 ester group Chemical group 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- JTXJZBMXQMTSQN-UHFFFAOYSA-N amino hydrogen carbonate Chemical compound NOC(O)=O JTXJZBMXQMTSQN-UHFFFAOYSA-N 0.000 claims 2
- 150000002148 esters Chemical class 0.000 claims 2
- 150000002924 oxiranes Chemical class 0.000 claims 2
- 229920000768 polyamine Polymers 0.000 claims 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical group NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims 1
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 150000004697 chelate complex Chemical class 0.000 claims 1
- 239000012948 isocyanate Substances 0.000 claims 1
- 150000002513 isocyanates Chemical class 0.000 claims 1
- 229920002521 macromolecule Polymers 0.000 claims 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims 1
- 239000011976 maleic acid Substances 0.000 claims 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims 1
- 229910052761 rare earth metal Inorganic materials 0.000 claims 1
- 150000002910 rare earth metals Chemical class 0.000 claims 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims 1
- 229910021645 metal ion Inorganic materials 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 40
- 239000000047 product Substances 0.000 description 22
- 239000008399 tap water Substances 0.000 description 10
- 235000020679 tap water Nutrition 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 230000007935 neutral effect Effects 0.000 description 9
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 8
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 5
- 229910052684 Cerium Inorganic materials 0.000 description 4
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 101100283604 Caenorhabditis elegans pigk-1 gene Proteins 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000012876 carrier material Substances 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 150000004698 iron complex Chemical class 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 235000019832 sodium triphosphate Nutrition 0.000 description 2
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 2
- ONPGOSVDVDPBCY-CQSZACIVSA-N 6-amino-5-[(1r)-1-(2,6-dichloro-3-fluorophenyl)ethoxy]-n-[4-(4-methylpiperazine-1-carbonyl)phenyl]pyridazine-3-carboxamide Chemical compound O([C@H](C)C=1C(=C(F)C=CC=1Cl)Cl)C(C(=NN=1)N)=CC=1C(=O)NC(C=C1)=CC=C1C(=O)N1CCN(C)CC1 ONPGOSVDVDPBCY-CQSZACIVSA-N 0.000 description 1
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical class [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Natural products NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 1
- 239000004471 Glycine Substances 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 150000001253 acrylic acids Chemical class 0.000 description 1
- 150000001399 aluminium compounds Chemical class 0.000 description 1
- XGGLLRJQCZROSE-UHFFFAOYSA-K ammonium iron(iii) sulfate Chemical compound [NH4+].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O XGGLLRJQCZROSE-UHFFFAOYSA-K 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 239000010796 biological waste Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- MENMOBMPDFLUHJ-UHFFFAOYSA-N ethyl acetate;isocyanic acid Chemical compound N=C=O.CCOC(C)=O MENMOBMPDFLUHJ-UHFFFAOYSA-N 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- -1 glycine ester Chemical class 0.000 description 1
- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 150000002604 lanthanum compounds Chemical class 0.000 description 1
- ICAKDTKJOYSXGC-UHFFFAOYSA-K lanthanum(iii) chloride Chemical compound Cl[La](Cl)Cl ICAKDTKJOYSXGC-UHFFFAOYSA-K 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 150000002689 maleic acids Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000005395 methacrylic acid group Chemical class 0.000 description 1
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- KMNONFBDPKFXOA-UHFFFAOYSA-N prop-2-enamide;styrene Chemical compound NC(=O)C=C.C=CC1=CC=CC=C1 KMNONFBDPKFXOA-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulphite Substances [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000002311 subsequent effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 150000003586 thorium compounds Chemical class 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/36—Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
- B01D15/361—Ion-exchange
- B01D15/363—Anion-exchange
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- 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
- C02F1/683—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of complex-forming compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Water Treatment By Sorption (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2526053A DE2526053C2 (de) | 1975-06-11 | 1975-06-11 | Verfahren zur selektiven Entfernung von Phosphaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1060591A true CA1060591A (en) | 1979-08-14 |
Family
ID=5948839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA254,090A Expired CA1060591A (en) | 1975-06-11 | 1976-06-04 | Method for removing phosphates from aqueous solutions |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4080290A (enExample) |
| CA (1) | CA1060591A (enExample) |
| CH (1) | CH619434A5 (enExample) |
| DE (1) | DE2526053C2 (enExample) |
| SE (1) | SE7606544L (enExample) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2721298C3 (de) * | 1977-05-12 | 1979-10-25 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verfahren zum Reinigen phosphathaltiger Abwasser |
| US5665241A (en) * | 1994-03-18 | 1997-09-09 | Hazama Corporation | Dephosphorizing material and dephosphorizing method |
| US5702609A (en) * | 1995-03-27 | 1997-12-30 | Niagara Mohawk Power Corporation | Water retrieval from aqueous mixture of organic phosphates |
| US6136199A (en) * | 1997-12-08 | 2000-10-24 | Julius James Jablonsky | Selective removal of phosphates and chromates from contaminated water by ion exchange |
| US6312604B1 (en) * | 1998-10-23 | 2001-11-06 | Zodiac Pool Care, Inc. | Lanthanide halide water treatment compositions and methods |
| US6383395B1 (en) | 2000-01-04 | 2002-05-07 | Luxfer Group Limited | Water treatment method and apparatus |
| US20030213752A1 (en) * | 2002-05-16 | 2003-11-20 | Halliburton Energy Services, Inc. | Alum pellets |
| US6881346B2 (en) * | 2002-05-16 | 2005-04-19 | Halliburton Energy Services, Inc. | Methods of treating phosphate in a body of water |
| US20100187178A1 (en) * | 2003-01-29 | 2010-07-29 | Molycorp Minerals, Llc | Process for removing and sequestering contaminants from aqueous streams |
| US20090107925A1 (en) * | 2007-10-31 | 2009-04-30 | Chevron U.S.A. Inc. | Apparatus and process for treating an aqueous solution containing biological contaminants |
| US8252087B2 (en) * | 2007-10-31 | 2012-08-28 | Molycorp Minerals, Llc | Process and apparatus for treating a gas containing a contaminant |
| US20090107919A1 (en) * | 2007-10-31 | 2009-04-30 | Chevron U.S.A. Inc. | Apparatus and process for treating an aqueous solution containing chemical contaminants |
| US8349764B2 (en) * | 2007-10-31 | 2013-01-08 | Molycorp Minerals, Llc | Composition for treating a fluid |
| US20100155330A1 (en) * | 2008-11-11 | 2010-06-24 | Molycorp Minerals, Llc | Target material removal using rare earth metals |
| TW201038510A (en) * | 2009-03-16 | 2010-11-01 | Molycorp Minerals Llc | Porous and durable ceramic filter monolith coated with a rare earth for removing contaminates from water |
| US20100258448A1 (en) * | 2009-04-09 | 2010-10-14 | Molycorp Minerals, Llc | Use of a rare earth for the removal of antimony and bismuth |
| BRPI1015574A2 (pt) * | 2009-07-06 | 2019-09-24 | Halosource Inc | sistema de duplo polímero para recuperação de águas e de separação de sólidos em suspensão em meios aquosos. |
| US20110002971A1 (en) * | 2009-07-06 | 2011-01-06 | Molycorp Minerals, Llc | Ceria for use as an antimicrobial barrier and disinfectant in a wound dressing |
| WO2011057281A1 (en) * | 2009-11-09 | 2011-05-12 | Molycorp Minerals Llc | Rare earth removal of colorants |
| MX343631B (es) * | 2010-06-11 | 2016-11-14 | Molycorp Minerals Llc | Recuperacion de compuestos fisiologicamente activos del agua residual. |
| EP2661322A1 (en) * | 2011-01-03 | 2013-11-13 | The Board Of Regents For Oklahoma State University | Iron coordination polymers for adsorption of arsenate and phosphate |
| US9233863B2 (en) | 2011-04-13 | 2016-01-12 | Molycorp Minerals, Llc | Rare earth removal of hydrated and hydroxyl species |
| MX370462B (es) | 2014-03-07 | 2019-12-13 | Secure Natural Resources Llc | Oxido de cerio (iv) con propiedades de remocion de arsenico excepcionales. |
| DE102015000349A1 (de) | 2015-01-19 | 2016-08-04 | Minnova Bns Gmbh | Verfahren und Vorrichtung zur Bindung von gelösten Phosphor in Teichen, Schwimmbecken, Biopools und Aquarien |
| EP3382293A1 (en) | 2017-03-28 | 2018-10-03 | Koninklijke Philips N.V. | Prevention of microbial growth in a humidifier through phosphate limitation |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2781290A (en) * | 1952-10-02 | 1957-02-12 | Nat Drug Co | Therapeutic cation exchange resin composition |
| BE533979A (enExample) * | 1953-12-11 | |||
| GB760524A (en) * | 1954-05-21 | 1956-10-31 | Permutit Co Ltd | Improvements relating to the recovery of chromic or phosphoric acid |
| US2882248A (en) * | 1954-09-07 | 1959-04-14 | Kennedy John | Ion exchange substances by saponification of allyl phosphate polymers |
| US2888441A (en) * | 1956-10-12 | 1959-05-26 | Dow Chemical Co | Chelating resins having alpha-aminocarboxylic acid groups on a polymerized vinylbenzylamine resin structure |
| DE1517644A1 (de) * | 1963-07-31 | 1969-04-30 | Dietrich Dr Karl Rolf | Verfahren zur Stickstoff- und Phosphor-Eliminierung aus Abwaessern oder Ablaeufen der mechanisch-biologischen Klaeranlagen oder der biologischen Klaeranlagen |
| US3310530A (en) * | 1964-04-03 | 1967-03-21 | Le Roy A White | Sequestering ion exchange resins |
| US3332737A (en) * | 1965-01-28 | 1967-07-25 | Kurt A Kraus | Process for separating inorganic anions with hydrous oxide anion exchangers |
| US3663467A (en) * | 1968-08-30 | 1972-05-16 | Rohm & Haas | Porous polymers based on trimethylolpropane trimethacrylate and related materials |
| DE2022763A1 (de) * | 1970-05-09 | 1971-11-18 | Dsd Dillinger Stahlbau Gmbh Ni | Verfahren zum reinigen von abwaessern der metalloberflaechenbehandlung |
| US3984313A (en) * | 1973-09-18 | 1976-10-05 | Chemical Separations Corporation | Preferential removal of ammonia and phosphates |
-
1975
- 1975-06-11 DE DE2526053A patent/DE2526053C2/de not_active Expired
-
1976
- 1976-05-19 CH CH628076A patent/CH619434A5/de not_active IP Right Cessation
- 1976-06-04 US US05/692,790 patent/US4080290A/en not_active Expired - Lifetime
- 1976-06-04 CA CA254,090A patent/CA1060591A/en not_active Expired
- 1976-06-10 SE SE7606544A patent/SE7606544L/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| US4080290A (en) | 1978-03-21 |
| DE2526053C2 (de) | 1983-03-03 |
| SE7606544L (sv) | 1976-12-12 |
| DE2526053A1 (de) | 1977-05-05 |
| CH619434A5 (enExample) | 1980-09-30 |
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