ZA200400059B - Water treatment compositions. - Google Patents
Water treatment compositions. Download PDFInfo
- Publication number
- ZA200400059B ZA200400059B ZA200400059A ZA200400059A ZA200400059B ZA 200400059 B ZA200400059 B ZA 200400059B ZA 200400059 A ZA200400059 A ZA 200400059A ZA 200400059 A ZA200400059 A ZA 200400059A ZA 200400059 B ZA200400059 B ZA 200400059B
- Authority
- ZA
- South Africa
- Prior art keywords
- water
- composition according
- weight
- soluble
- drinking water
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims description 310
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 109
- 239000000701 coagulant Substances 0.000 claims description 148
- 239000003651 drinking water Substances 0.000 claims description 141
- 235000020188 drinking water Nutrition 0.000 claims description 137
- 239000000645 desinfectant Substances 0.000 claims description 95
- 238000000034 method Methods 0.000 claims description 90
- 239000007800 oxidant agent Substances 0.000 claims description 76
- 238000005189 flocculation Methods 0.000 claims description 71
- 239000011572 manganese Substances 0.000 claims description 66
- 230000001590 oxidative effect Effects 0.000 claims description 63
- 238000007254 oxidation reaction Methods 0.000 claims description 55
- 230000003647 oxidation Effects 0.000 claims description 54
- 230000016615 flocculation Effects 0.000 claims description 51
- 230000003641 microbiacidal effect Effects 0.000 claims description 51
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 48
- 229910052748 manganese Inorganic materials 0.000 claims description 48
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 47
- 239000000460 chlorine Substances 0.000 claims description 47
- 229910052801 chlorine Inorganic materials 0.000 claims description 47
- 238000000746 purification Methods 0.000 claims description 39
- 238000005345 coagulation Methods 0.000 claims description 35
- 230000015271 coagulation Effects 0.000 claims description 35
- 150000003839 salts Chemical class 0.000 claims description 35
- 235000015097 nutrients Nutrition 0.000 claims description 27
- 239000003054 catalyst Substances 0.000 claims description 26
- 235000013373 food additive Nutrition 0.000 claims description 25
- 239000002778 food additive Substances 0.000 claims description 25
- 239000007787 solid Substances 0.000 claims description 25
- 239000012535 impurity Substances 0.000 claims description 23
- 230000003197 catalytic effect Effects 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 19
- 239000003513 alkali Substances 0.000 claims description 18
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 17
- 229910052723 transition metal Inorganic materials 0.000 claims description 16
- 150000003624 transition metals Chemical class 0.000 claims description 16
- 238000002845 discoloration Methods 0.000 claims description 15
- WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical compound [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 claims description 14
- 229920000642 polymer Polymers 0.000 claims description 13
- 239000008213 purified water Substances 0.000 claims description 13
- 208000031513 cyst Diseases 0.000 claims description 12
- 239000005416 organic matter Substances 0.000 claims description 12
- 239000002352 surface water Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229920001661 Chitosan Polymers 0.000 claims description 9
- 239000000159 acid neutralizing agent Substances 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 9
- 239000010457 zeolite Substances 0.000 claims description 9
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical group [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims description 8
- 125000000129 anionic group Chemical group 0.000 claims description 8
- -1 bridging flocculant Substances 0.000 claims description 8
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 8
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 7
- 229910052785 arsenic Inorganic materials 0.000 claims description 7
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 7
- 239000002552 dosage form Substances 0.000 claims description 7
- 239000004021 humic acid Substances 0.000 claims description 7
- 239000012286 potassium permanganate Substances 0.000 claims description 7
- 206010011732 Cyst Diseases 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 6
- 229920006317 cationic polymer Polymers 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 230000003111 delayed effect Effects 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 229920001282 polysaccharide Polymers 0.000 claims description 6
- 239000005017 polysaccharide Substances 0.000 claims description 6
- 230000002459 sustained effect Effects 0.000 claims description 6
- 235000021321 essential mineral Nutrition 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 238000005352 clarification Methods 0.000 claims description 4
- 238000006386 neutralization reaction Methods 0.000 claims description 4
- 230000033116 oxidation-reduction process Effects 0.000 claims description 3
- 241000223936 Cryptosporidium parvum Species 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 2
- 238000001479 atomic absorption spectroscopy Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000012336 iodinating agent Substances 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 38
- 125000003277 amino group Chemical group 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 229910001385 heavy metal Inorganic materials 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 6
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 229910021653 sulphate ion Inorganic materials 0.000 description 6
- 229920002101 Chitin Polymers 0.000 description 5
- 125000002091 cationic group Chemical group 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000005569 Iron sulphate Substances 0.000 description 4
- 235000012206 bottled water Nutrition 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000004676 glycans Chemical class 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 241000238557 Decapoda Species 0.000 description 3
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 3
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 3
- 229910021536 Zeolite Inorganic materials 0.000 description 3
- 239000001164 aluminium sulphate Substances 0.000 description 3
- 235000011128 aluminium sulphate Nutrition 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 3
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 3
- 239000011565 manganese chloride Substances 0.000 description 3
- 235000002867 manganese chloride Nutrition 0.000 description 3
- 229940099607 manganese chloride Drugs 0.000 description 3
- 239000011702 manganese sulphate Substances 0.000 description 3
- 235000007079 manganese sulphate Nutrition 0.000 description 3
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 229920002261 Corn starch Polymers 0.000 description 2
- 241000238424 Crustacea Species 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000004411 aluminium Substances 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
- 150000001412 amines Chemical class 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 150000001720 carbohydrates Chemical group 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 230000035622 drinking Effects 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 125000001453 quaternary ammonium group Chemical group 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- MSWZFWKMSRAUBD-IVMDWMLBSA-N 2-amino-2-deoxy-D-glucopyranose Chemical compound N[C@H]1C(O)O[C@H](CO)[C@@H](O)[C@@H]1O MSWZFWKMSRAUBD-IVMDWMLBSA-N 0.000 description 1
- 241000478345 Afer Species 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000224466 Giardia Species 0.000 description 1
- 238000003109 Karl Fischer titration Methods 0.000 description 1
- 235000019759 Maize starch Nutrition 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- CLBRCZAHAHECKY-UHFFFAOYSA-N [Co].[Pt] Chemical group [Co].[Pt] CLBRCZAHAHECKY-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- MSWZFWKMSRAUBD-UHFFFAOYSA-N beta-D-galactosamine Natural products NC1C(O)OC(CO)C(O)C1O MSWZFWKMSRAUBD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001804 chlorine Chemical class 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
- 229940106681 chloroacetic acid Drugs 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 229940099112 cornstarch Drugs 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229960002442 glucosamine Drugs 0.000 description 1
- 230000036449 good health Effects 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019449 other food additives Nutrition 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 150000003141 primary amines Chemical group 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005588 protonation Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229940100486 rice starch Drugs 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229940045872 sodium percarbonate Drugs 0.000 description 1
- 235000010265 sodium sulphite Nutrition 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
- 238000001179 sorption measurement Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000009662 stress testing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 229940100445 wheat starch Drugs 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
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0118749.1A GB0118749D0 (en) | 2001-08-01 | 2001-08-01 | Water treatment compositions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200400059B true ZA200400059B (en) | 2004-08-17 |
Family
ID=9919610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200400059A ZA200400059B (en) | 2001-08-01 | 2004-01-06 | Water treatment compositions. |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US7201856B2 (fr) |
| EP (1) | EP1414752A2 (fr) |
| KR (1) | KR100563432B1 (fr) |
| CN (1) | CN100340495C (fr) |
| AR (1) | AR034942A1 (fr) |
| BR (1) | BR0211573A (fr) |
| CA (1) | CA2451902A1 (fr) |
| EG (1) | EG23288A (fr) |
| GB (1) | GB0118749D0 (fr) |
| MA (1) | MA26207A1 (fr) |
| MX (1) | MXPA04000974A (fr) |
| PE (1) | PE20030221A1 (fr) |
| RU (1) | RU2271336C2 (fr) |
| WO (1) | WO2003011769A2 (fr) |
| ZA (1) | ZA200400059B (fr) |
Families Citing this family (78)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7153438B2 (en) | 2003-02-21 | 2006-12-26 | Pur Water Purification Products, Inc. | Water treatment compositions with masking agent |
| US20100276294A1 (en) * | 2003-03-28 | 2010-11-04 | Lambie John M | Electrolytic sanitization of water |
| US7033511B2 (en) * | 2004-01-20 | 2006-04-25 | A-Dec, Inc. | Sustained water treatment in dental equipment |
| US7157009B2 (en) * | 2004-04-30 | 2007-01-02 | Vanson Halosource, Inc. | Method for removing Cryptosporidium oocysts from water |
| US20050242041A1 (en) * | 2004-04-30 | 2005-11-03 | Cumberland Scott L | Silver Impregnated, Alumina Coated Materials and Filtration Systems Implementing Same |
| RU2253625C1 (ru) * | 2004-05-31 | 2005-06-10 | Институт химии Дальневосточного отделения Российской академии наук (статус государственного учреждения)(Институт химии ДВО РАН) | Способ очистки воды и комплексный флокулянт для осуществления способа |
| US7422759B2 (en) * | 2004-11-03 | 2008-09-09 | K2 Concepts, Inc. | Anti-microbial compositions and methods of making and using the same |
| US8394420B2 (en) * | 2005-11-03 | 2013-03-12 | K2 Concepts, Inc. | Substrates comprising anti-microbial compositions and methods of making and using the same |
| US7618546B1 (en) * | 2006-01-31 | 2009-11-17 | Iowa State University Research Foundation, Inc. | Iron catalysis in oxidation by ozone |
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-
2001
- 2001-08-01 GB GBGB0118749.1A patent/GB0118749D0/en not_active Ceased
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- 2002-07-26 BR BR0211573-5A patent/BR0211573A/pt not_active Application Discontinuation
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- 2002-07-26 CA CA002451902A patent/CA2451902A1/fr not_active Abandoned
- 2002-07-26 CN CNB028149505A patent/CN100340495C/zh not_active Expired - Fee Related
- 2002-07-26 KR KR1020047001573A patent/KR100563432B1/ko not_active Expired - Fee Related
- 2002-07-26 EP EP02747092A patent/EP1414752A2/fr not_active Withdrawn
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| PE20030221A1 (es) | 2003-04-30 |
| BR0211573A (pt) | 2004-06-29 |
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| US7201856B2 (en) | 2007-04-10 |
| US20040217326A1 (en) | 2004-11-04 |
| EP1414752A2 (fr) | 2004-05-06 |
| GB0118749D0 (en) | 2001-09-26 |
| AR034942A1 (es) | 2004-03-24 |
| RU2004105971A (ru) | 2005-04-10 |
| KR20040030904A (ko) | 2004-04-09 |
| CN100340495C (zh) | 2007-10-03 |
| WO2003011769A3 (fr) | 2003-05-22 |
| CA2451902A1 (fr) | 2003-02-13 |
| CN1620407A (zh) | 2005-05-25 |
| KR100563432B1 (ko) | 2006-03-22 |
| HK1077802A1 (zh) | 2006-02-24 |
| MA26207A1 (fr) | 2004-07-01 |
| WO2003011769A2 (fr) | 2003-02-13 |
| EG23288A (en) | 2004-10-31 |
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