CS274259B2 - Method of suspended materials removal and equipment for realization of this method - Google Patents
Method of suspended materials removal and equipment for realization of this method Download PDFInfo
- Publication number
- CS274259B2 CS274259B2 CS243685A CS243685A CS274259B2 CS 274259 B2 CS274259 B2 CS 274259B2 CS 243685 A CS243685 A CS 243685A CS 243685 A CS243685 A CS 243685A CS 274259 B2 CS274259 B2 CS 274259B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- zeolite
- tank
- water
- ammonium
- settling tank
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000000463 material Substances 0.000 title claims abstract description 30
- 239000010457 zeolite Substances 0.000 claims abstract description 59
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000010802 sludge Substances 0.000 claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 229910052680 mordenite Inorganic materials 0.000 claims abstract description 14
- 229910001603 clinoptilolite Inorganic materials 0.000 claims abstract description 13
- JYIBXUUINYLWLR-UHFFFAOYSA-N aluminum;calcium;potassium;silicon;sodium;trihydrate Chemical compound O.O.O.[Na].[Al].[Si].[K].[Ca] JYIBXUUINYLWLR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 150000001768 cations Chemical class 0.000 claims abstract description 11
- 150000003839 salts Chemical class 0.000 claims abstract description 9
- 150000002739 metals Chemical class 0.000 claims abstract description 4
- 239000002351 wastewater Substances 0.000 claims description 31
- 239000000126 substance Substances 0.000 claims description 15
- 235000015097 nutrients Nutrition 0.000 claims description 13
- 239000003153 chemical reaction reagent Substances 0.000 claims description 8
- 150000002736 metal compounds Chemical class 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract description 35
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 32
- 238000011282 treatment Methods 0.000 abstract description 25
- 230000008569 process Effects 0.000 abstract description 23
- 238000005342 ion exchange Methods 0.000 abstract description 20
- 239000000243 solution Substances 0.000 abstract description 20
- 229910021529 ammonia Inorganic materials 0.000 abstract description 15
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 abstract description 12
- 238000002156 mixing Methods 0.000 abstract description 10
- 238000001179 sorption measurement Methods 0.000 abstract description 9
- 230000003647 oxidation Effects 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- 239000008213 purified water Substances 0.000 abstract description 6
- 239000011435 rock Substances 0.000 abstract description 6
- 239000007864 aqueous solution Substances 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 5
- 238000005470 impregnation Methods 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 4
- 150000001722 carbon compounds Chemical class 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 abstract description 2
- 230000018044 dehydration Effects 0.000 abstract 1
- 238000006297 dehydration reaction Methods 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000004065 wastewater treatment Methods 0.000 description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 19
- 238000011069 regeneration method Methods 0.000 description 19
- 230000008929 regeneration Effects 0.000 description 18
- 230000000694 effects Effects 0.000 description 16
- 229910001385 heavy metal Inorganic materials 0.000 description 16
- 238000000746 purification Methods 0.000 description 13
- 238000005273 aeration Methods 0.000 description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 229910052698 phosphorus Inorganic materials 0.000 description 10
- 239000011574 phosphorus Substances 0.000 description 10
- 239000012266 salt solution Substances 0.000 description 10
- 239000003337 fertilizer Substances 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 239000002689 soil Substances 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 229910052700 potassium Inorganic materials 0.000 description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 5
- -1 ammonium ions Chemical class 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000011591 potassium Substances 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 239000010801 sewage sludge Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 235000021317 phosphate Nutrition 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000009931 harmful effect Effects 0.000 description 3
- 231100001261 hazardous Toxicity 0.000 description 3
- 150000002823 nitrates Chemical class 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 230000001863 plant nutrition Effects 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 150000003464 sulfur compounds Chemical class 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 241000605122 Nitrosomonas Species 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical class [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 239000010796 biological waste Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000003895 organic fertilizer Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Inorganic materials [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229910052717 sulfur Chemical class 0.000 description 2
- 239000011593 sulfur Chemical class 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- VTEIFHQUZWABDE-UHFFFAOYSA-N 2-(2,5-dimethoxy-4-methylphenyl)-2-methoxyethanamine Chemical compound COC(CN)C1=CC(OC)=C(C)C=C1OC VTEIFHQUZWABDE-UHFFFAOYSA-N 0.000 description 1
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000108664 Nitrobacteria Species 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical group [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 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
- 125000003277 amino group Chemical group 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 244000038559 crop plants Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 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 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000003295 industrial effluent Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000002826 nitrites Chemical class 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 150000002897 organic nitrogen compounds Chemical class 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000010453 quartz Substances 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
- 238000012958 reprocessing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000005335 volcanic glass Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003911 water pollution Methods 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
-
- 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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic 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
- C02F1/52—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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/586—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-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
- C02F1/52—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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/903—Nitrogenous
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)
- Analytical Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Water Treatment By Sorption (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Removal Of Specific Substances (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Fats And Perfumes (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Treatment Of Sludge (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Fire-Extinguishing Compositions (AREA)
- Processing Of Solid Wastes (AREA)
- Carbon And Carbon Compounds (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU841319A HU195457B (en) | 1984-04-02 | 1984-04-02 | Process for removing suspended materials, biogene nutrients and soluted metal-compounds from waters containing organic and inorganic impurities |
Publications (2)
Publication Number | Publication Date |
---|---|
CS243685A2 CS243685A2 (en) | 1990-09-12 |
CS274259B2 true CS274259B2 (en) | 1991-04-11 |
Family
ID=10953900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS243685A CS274259B2 (en) | 1984-04-02 | 1985-04-02 | Method of suspended materials removal and equipment for realization of this method |
Country Status (13)
Country | Link |
---|---|
US (1) | US4772307A (fi) |
EP (1) | EP0177543B1 (fi) |
JP (1) | JPS62500009A (fi) |
AT (1) | ATE51209T1 (fi) |
BG (1) | BG72557A (fi) |
CS (1) | CS274259B2 (fi) |
DE (1) | DE3576681D1 (fi) |
DK (1) | DK164277C (fi) |
FI (1) | FI854452A0 (fi) |
HU (1) | HU195457B (fi) |
NO (1) | NO159264C (fi) |
WO (1) | WO1985004390A1 (fi) |
YU (1) | YU46368B (fi) |
Families Citing this family (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE456087B (sv) * | 1986-03-13 | 1988-09-05 | Anox Ab | Anvendning av ett hydrofobt zeolitmaterial sasom adsorptionsmaterial vid biologisk rening av avloppsvatten |
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-
1984
- 1984-04-02 HU HU841319A patent/HU195457B/hu not_active IP Right Cessation
-
1985
- 1985-04-01 DE DE8585901544T patent/DE3576681D1/de not_active Expired - Lifetime
- 1985-04-01 WO PCT/HU1985/000021 patent/WO1985004390A1/en active IP Right Grant
- 1985-04-01 AT AT85901544T patent/ATE51209T1/de not_active IP Right Cessation
- 1985-04-01 JP JP60501618A patent/JPS62500009A/ja active Pending
- 1985-04-01 EP EP19850901544 patent/EP0177543B1/en not_active Expired - Lifetime
- 1985-04-02 CS CS243685A patent/CS274259B2/cs unknown
- 1985-04-02 YU YU54385A patent/YU46368B/sh unknown
- 1985-11-12 FI FI854452A patent/FI854452A0/fi not_active Application Discontinuation
- 1985-11-28 NO NO854780A patent/NO159264C/no unknown
- 1985-11-29 BG BG072557A patent/BG72557A/bg unknown
- 1985-11-29 DK DK554085A patent/DK164277C/da active
-
1987
- 1987-08-20 US US07/089,007 patent/US4772307A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CS243685A2 (en) | 1990-09-12 |
EP0177543B1 (en) | 1990-03-21 |
ATE51209T1 (de) | 1990-04-15 |
FI854452A (fi) | 1985-11-12 |
DK164277C (da) | 1992-10-26 |
YU54385A (en) | 1987-10-31 |
DK554085D0 (da) | 1985-11-29 |
JPS62500009A (ja) | 1987-01-08 |
EP0177543A1 (fi) | 1986-04-16 |
DE3576681D1 (de) | 1990-04-26 |
BG72557A (bg) | 1993-12-24 |
YU46368B (sh) | 1993-10-20 |
NO159264B (no) | 1988-09-05 |
US4772307A (en) | 1988-09-20 |
DK164277B (da) | 1992-06-01 |
DK554085A (da) | 1985-11-29 |
NO854780L (no) | 1985-11-28 |
NO159264C (no) | 1988-12-14 |
HU195457B (en) | 1988-05-30 |
WO1985004390A1 (en) | 1985-10-10 |
FI854452A0 (fi) | 1985-11-12 |
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