EP2396283A1 - Procédé et dispositif d'épuration d'effluents - Google Patents
Procédé et dispositif d'épuration d'effluentsInfo
- Publication number
- EP2396283A1 EP2396283A1 EP10707102A EP10707102A EP2396283A1 EP 2396283 A1 EP2396283 A1 EP 2396283A1 EP 10707102 A EP10707102 A EP 10707102A EP 10707102 A EP10707102 A EP 10707102A EP 2396283 A1 EP2396283 A1 EP 2396283A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compartment
- effluents
- oxidation
- treatment
- turbulence
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000005201 scrubbing Methods 0.000 title abstract 2
- 238000011282 treatment Methods 0.000 claims abstract description 65
- 230000005587 bubbling Effects 0.000 claims abstract description 27
- 238000005345 coagulation Methods 0.000 claims abstract description 18
- 230000015271 coagulation Effects 0.000 claims abstract description 18
- 238000005189 flocculation Methods 0.000 claims abstract description 18
- 230000016615 flocculation Effects 0.000 claims abstract description 18
- 239000000126 substance Substances 0.000 claims abstract description 16
- 238000007790 scraping Methods 0.000 claims abstract description 13
- 238000007667 floating Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000010802 sludge Substances 0.000 claims abstract description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 56
- 230000003647 oxidation Effects 0.000 claims description 46
- 238000005868 electrolysis reaction Methods 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 21
- 230000009467 reduction Effects 0.000 claims description 20
- 238000005188 flotation Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 238000000746 purification Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 7
- 229910003460 diamond Inorganic materials 0.000 claims description 7
- 239000010432 diamond Substances 0.000 claims description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 7
- 239000011707 mineral Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 230000001603 reducing effect Effects 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000005191 phase separation Methods 0.000 claims description 4
- 239000007790 solid phase Substances 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 4
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 claims 1
- 150000003254 radicals Chemical group 0.000 description 15
- 238000006722 reduction reaction Methods 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000001590 oxidative effect Effects 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- -1 hydroxide radical Chemical class 0.000 description 6
- 239000007800 oxidant agent Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 230000003134 recirculating effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- NMRPBPVERJPACX-UHFFFAOYSA-N (3S)-octan-3-ol Natural products CCCCCC(O)CC NMRPBPVERJPACX-UHFFFAOYSA-N 0.000 description 1
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 1
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 1
- AWQSAIIDOMEEOD-UHFFFAOYSA-N 5,5-Dimethyl-4-(3-oxobutyl)dihydro-2(3H)-furanone Chemical compound CC(=O)CCC1CC(=O)OC1(C)C AWQSAIIDOMEEOD-UHFFFAOYSA-N 0.000 description 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000016571 aggressive behavior Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 229960001701 chloroform Drugs 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-N hydroperoxyl Chemical compound O[O] OUUQCZGPVNCOIJ-UHFFFAOYSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000012476 oxidizable substance Substances 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000007670 refining Methods 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
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000008259 solid foam Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000010457 zeolite Substances 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
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- 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
- C02F1/5236—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
- C02F1/52—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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/02—Fluid flow conditions
- C02F2301/024—Turbulent
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
Definitions
- the present invention relates to a process for the purification of liquid effluents containing organic and / or mineral substances, dissolved or not.
- the invention also relates to a device for purifying such effluents. It finds a particularly important application although not exclusive in the field of the purification of the petroleum effluents or the effluents resulting from processes of manufacture of products resulting from
- COD or Chemical Oxygen Demand is the oxygen consumption by strong chemical oxidants, necessary for the oxidation of organic (and mineral) substances of water. It assesses the pollutant load of wastewater and measures all oxidizable substances, including those that are biodegradable.
- the quantity of biodegradable materials by biochemical oxidation (oxidation by aerobic bacteria that derive their energy from oxidation-reduction reaction) contained in the water to be analyzed is, for its part, defined by the BOD (Biological Oxygen Demand) parameter. .
- Liquid effluents often referred to as wastewater and the main example of this, are known to contaminate the environment in which they are discharged.
- non-biodegradable materials they contain are caused to be slowly oxidized by oxygen dissolved in water or by that of the air at the surface of the effluent.
- the present invention aims to provide such a method, and a corresponding effluent treatment device, better than those previously known to the requirements of practice, particularly in that it allows a compact, economical and effective treatment based on a combination of successive single or multiple treatments, comprising one or more clearly differentiated stages, namely: on the one hand, a step of mechanical and chemical aggression, the latter being either oxidizing, or reducing, or oxidizing / reducing, depending on the type of effluents to be treated, knowing that in the embodiments more particularly described, it is a radical oxidation also called hyperoxidation, and secondly a flotation step with skimming.
- the invention essentially proposes a process for the purification of liquid effluents charged with organic and / or mineral substances, dissolved or not, fed continuously at a flow rate Df, characterized in that, after a prior flotation operation if necessary, at least one treatment cycle is carried out, said treatment cycle comprising a first step in which a radical oxidation and / or a radical reduction of the effluents is effected by circulation in a first compartment, generating a very strong turbulence, then a second step in which is agglomerated by coagulation / flocculation the undissolved elements contained in the effluents before circulation of these last in a second compartment with free surface, with scraping sludge obtained in the upper part, by bubbling and maintaining a low turbulence in said compartment.
- the oxidation and / or reduction is done by electrolytic treatment.
- electrolytic treatment is meant here an oxidation and / or a reduction by an electrolysis process with very high electrochemical reactivity allowing the production of radical chemical species.
- Such a method makes it possible to obtain a COD below determined threshold values and, if necessary, to lower the COD / BOD5 ratio and / or the rate of MES below a second and a second, respectively.
- third threshold determined.
- stirring by recirculation pump in the compartment concerned such as the flow rate of the pump and greater than five times the flow Df continuous supply, and advantageously greater than ten times, see up to fifty times, see more of said flow Df.
- the vertical hydraulic regime in the chamber is in a highly turbulent regime (Re >> 3000 m 2 s-1) resulting, in combination with hyperoxidation, bursting and breaking long polluting molecules.
- Low turbulence means the maintenance of the hydraulic regime in the close compartment of the laminar flow (Re ⁇ 2000 m2 s-1), for example by a slight stirring obtained by recirculation of the effluents at a flow rate close to or less than that of the continuous supply, ie at a rate q ⁇ Df.
- the water to be purified is here itself used as a reagent by pumping and recirculation of the product itself purified and carrying an oxidizing function.
- the electrolytic treatment is an oxidation;
- a strong turbulence is generated in the first compartment by stirring by circulating the effluent between the top and bottom of said compartment at a flow rate Q> 5 Df;
- the recirculation flow rate is such that Q> 25 Df, advantageously Q> 40 Df or> 50 Df;
- the electrolytic treatment is carried out by circulation of the effluents collected in the lower part of the first compartment and reintroduction in the upper part of said compartment through an electrolysis circuit; the electrolytic treatment is carried out by electrolysis on electrodes coated with a layer comprising diamond and boron; the electrolytic treatment is carried out by electrolysis on electrodes coated with a layer comprising carbon and nitrogen atoms; low turbulence is maintained in the second compartment by circulating the effluents in the lower part of said compartment at a rate q ⁇ Df by means of external cavitation means to generate a vertical bubbling;
- the effluents are degassed at the outlet of the electrolysis circuit and the gases obtained are used to feed the external cavitation means of the vertical bubbling;
- the process comprises at least two treatment cycles;
- the process comprises at least one strongly oxidizing treatment cycle and at least one strongly reducing treatment cycle.
- strongly oxidizing or conversely strongly reducing
- one means essentially oxidant that is to say which makes lose (conversely gain) electrons to the chemical bodies present in the effluents;
- the effluents are circulated in series through n treatment cycles, the number n> 2 being arranged to gradually obtain a solid / liquid phase separation on the surface of the free surface compartments so as to bring the effluents out treatment at a given COD;
- each treatment cycle additionally comprises an intermediate step between the first and second stages, in which an operation of post-oxidation and / or reduction with catalyst is carried out.
- this operation is carried out in a third intermediate compartment, allowing the flow and the electrolytic bubbles to rise upwards.
- Advantageously also generates a mean turbulence in said third compartment; the flow Df is injected into the third compartment in the lower part of said compartment from a bypass of the electrolysis circuit, for example by circulating the effluents in the lower part of said medium flow compartment (Df ⁇ d ⁇ 3 Df).
- the post-oxidation and / or reduction operation is carried out by withdrawing the flow rate Df at the outlet of the electrolysis circuit;
- the pre-floating operation is carried out by bubbling after coagulation / flocculation then recirculation of the effluents in the lower part of a low-turbulence free-surface enclosure provided with scraping means in the upper part and cavitation means for generating vertical bubbling.
- the radical oxidant is, alone or in combination, chosen from the oxidants H2O2, O3, O0 or OH °; the process furthermore comprises a biological filtration.
- the invention also proposes a device implementing one or more of the embodiments of the method described above.
- a device for the purification of liquid effluents charged with organic and / or mineral substances, dissolved or not, fed continuously at a flow rate Df characterized in that it comprises at least a first set of two successive vertical compartments. , i.e. a first compartment provided with oxidation and / or radical reduction means of effluents and comprising means for generating in said first compartment a very high turbulence and a second compartment with a free surface of oxidation / separation arranged for maintain a low turbulence in said second compartment, said second compartment being provided with external coagulation / flocculation means, scraping means in the upper part, and bubbling means, the compartments communicating with each other at the bottom.
- a first compartment provided with oxidation and / or radical reduction means of effluents and comprising means for generating in said first compartment a very high turbulence and a second compartment with a free surface of oxidation / separation arranged for maintain a low turbulence in said second
- the coagulation / flocculation steps take place outside the second compartment by means of said external means.
- the effluents that have benefited from these two actions are then introduced into the second compartment, and will then be dissociated in water on one side and polluting supernatant on the other, by the action of bubbling in said effluents.
- the device comprises electrolytic treatment means for carrying out the oxidation and / or the reduction.
- treatment means for oxidation and / or reduction by electrolysis including electrodes
- the means for generating a very strong turbulence comprise a first circuit for recirculating the effluents collected in the lower part of the compartment and reintroduced in the upper part at a flow rate Q> 5 Df;
- the device comprises a low-turbulence free surface preliminary floating vessel comprising external coagulation / flocculation means and effluent recirculation means in the lower part, said enclosure being provided with scraping means at the top and cavitation means for generating a vertical bubbling for oxidation / separation in said enclosure;
- the electrolytic treatment means comprise electrodes coated with a layer comprising diamond and boron;
- the electrolytic treatment means e comprise electrodes coated with a layer comprising carbon and nitrogen atoms;
- the electrolytic treatment means are located on the first circuit for recirculating the effluents;
- the second compartment comprises a second circuit for re-circulating the effluents in the lower part comprising cavitation means for generating a vertical bubbling in said compartment;
- the second recirculation circuit is at a low flow rate, between 1/20 Df (one twentieth of Df) and 1/2 Df (one half Df);
- the device comprises at least a second set of compartments in series with the first; the device comprises n sets of compartments in which the effluents are circulated in series, the number n> 2 being arranged to gradually obtain a solid / liquid phase separation on the surface of the free surface compartments so as to bring the effluents at the end of treatment at a determined COD;
- each set of compartments comprises at least a third compartment intermediate between the first and second compartments, in which a post-oxidation and / or reduction operation is carried out with a catalyst while stirring with medium turbulence;
- the device comprises in the lower part of said third compartment a third effluent circulation circuit at a flow rate Df ⁇ d ⁇ 3 Df to generate a mean turbulence in said third compartment;
- the third intermediate compartment is supplied at the bottom from the first circulation circuit itself provided with electrolytic treatment means;
- the cavitation bubbling is carried out with air, the average dimension of the equivalent diameter of the bubbles being between 0.2 mm and 1 mm;
- the compartments have a useful height of between 3 m and 5 m;
- Figure 1 is an operating diagram of a first embodiment of a device according to the invention.
- Figure 2 is an operating diagram of a second embodiment of a device according to the invention.
- FIG. 3 is an operating diagram of a third embodiment of a device according to the invention.
- FIG. 4 is a schematic view illustrating a succession of processing cycles according to FIG. 3.
- FIG. 5 is a graph showing the decay of the COD in a succession of cycles of the type corresponding to FIG. 4.
- FIG. 6 is a diagram showing the steps implemented in one embodiment of a method according to the invention.
- FIG. 1 shows an effluent purification device 1 introduced continuously at 2 at a flow rate D f , for example Im3 / h.
- the effluents are loaded with organic and / or mineral substances, dissolved or not, for example with a COD of 30,000 mg of oxygen O 2 /! -
- the device 1 is for example formed by a tank
- the device comprises a pre-compartment or a floating chamber
- the float chamber 4 has a free surface 8 and comprises scraping means 9 for discharging the floating solid materials, for example in a recovery tank (not shown).
- a device formed by an open cylindrical vessel whose compartments and the preliminary chamber form radially arranged quarters, a sludge recovery compartment then being provided in said cylinder, after the second compartment, the scraping means being circular and rotating continuously.
- the float chamber 4 is fed at 10 via an inlet pump 11 at the top of the enclosure.
- the effluents are previously treated online via mixing tanks 12 and 13 by coagulating and flocculating.
- means 14 for supplying reagents comprise, for example, a first continuous supply tank 15, by metering pump 16 and solenoid valve 17, a coagulation reagent known per se and a second tank 18 for continuous supply by metering pump 19 and solenoid valve 20.
- a flocculation reagent also of known type adapted to each other depending on the effluent to be treated so as to reach the skilled person.
- the float chamber further comprises effluent recirculation means 21 at the lower part 22 at a low flow rate, for example substantially equal to the flow rate Df.
- These recirculation means 21 comprise a pump 23, for example 0.1 m 3 / hr, and cavitation means 24 for generating a vertical bubbling 25 in the float compartment via a pipework bent for optimum oxidation. and thus opening in the lower part of the enclosure 4.
- the first root oxidation compartment 5, also subsequently called hyperoxidation, is connected to the pre-floating chamber 4 in the lower part 27, via a passage for example of diameter corresponding to the flow Df, which is either formed by an orifice 28 formed in the partition wall 29 between the first compartment and floating chamber, or in the case where the enclosure float is remote from this compartment, via piping authorizing a flow Df.
- the first compartment 5 comprises external root oxidation means 30 comprising a circulating pump 31 for a large flow rate, for example 30 m 3 / h, and electrolysis oxidation means 32 comprising a plurality of electrodes 33, for example diamond, for example three sets of five consumable electrodes, arranged in parallel and in line with a supply pipe 34 opening in the upper part 35 of the first compartment 5.
- external root oxidation means 30 comprising a circulating pump 31 for a large flow rate, for example 30 m 3 / h
- electrolysis oxidation means 32 comprising a plurality of electrodes 33, for example diamond, for example three sets of five consumable electrodes, arranged in parallel and in line with a supply pipe 34 opening in the upper part 35 of the first compartment 5.
- this first compartment also has a free surface 8, but is closed at the top by a cover 36.
- the electrolytic radical oxidation means 30 are arranged to recirculate in the first compartment a flow rate of the order of 29 m 3 / h. (An average residence time of 1 hour is observed in the compartment of 1 m 3 , also fed via the orifice 28 at this rate of Im 3 / h).
- the circuit 30 also makes it possible to divert to the third intermediate compartment 6 a Df flow rate for post oxidation treatment.
- Control valves 37 arranged in parallel on the circuit 38 downstream of the electrodes 33 make it possible to regulate the flow rates between the first compartment 5 and the third intermediate compartment 6.
- the flow Df is injected at the bottom of the compartment here again and for example by a pipe 39 with a bend.
- a 40-introduction of a catalyst for example ferrous Fe2 + ions, or cuprous Cu + ions, or more generally metals close to losing an electron, such as sodium, which thus allow a treatment as effective as possible post oxidation.
- the catalysts will complete the work of free radical chemistry generated by electrochemistry, disproportioning the hydrogen or organic peroxides produced for example by incorporation in the downstream flow of Fe, Fe2O3, Fe3O4 in the form of solids.
- granular material implemented by a filter or a fluidized bed or by the injection of a solution of reduced ions such as Fe2 +.
- micro or nano porous supports such as activated carbons, resins or zeolites can be integrated either on each bottom zone or on the last zone. The function of these supports is then to fix, concentrate the diffuse pollutions on absorbent sites so that the water leaves definitively purified.
- the device 1 comprises the second compartment 7 with a free surface 41 of oxidation / separation, arranged to maintain a low turbulence in said compartment through a small pump 42 recirculation subject to bubbling oxidation means 43 via a cavitation device 44 known in itself.
- the scraping means 9 of the enclosure beforehand can for example also be used to scrape the free surfaces of all the compartments and in particular and more specifically the second and third compartments 7 and 6, which allow the separation by flotation of solidified products on the surface.
- the third intermediate compartment and the second compartment are interconnected at the bottom by means of coagulation / flocculation means 45 comprising a flow pump 46 Df and two reagent mixing blocks 47 and 48 known in themselves and located in line on the circuit. Finally, the flow Df is discharged at the top 49, for example by overflow, for possible subsequent treatment.
- FIG. 2 shows another embodiment of a device 50 according to the invention.
- the same reference numbers will be used to designate identical or similar elements.
- the device 50 comprises a preliminary floating chamber 4 provided with coagulation / flocculation means as described with reference to Figure 1 fed at the flow rate Df, for example 5 m3 / h.
- first hyperoxidation compartment provided with very high turbulence stirring means 51 comprising a high flow pump 52 and electrolysis oxidation means 53, for example with diamond electrodes as described above.
- the effluents are entering eg 50 rr / h in the lower part 54 of the first compartment 5 and reject in the upper part 56.
- the first compartment 5 which is here closed at 57, and although it has a free surface 58, by an optionally removable sealed cover, comprises a vertical chamber 59 of small parallelepipedic suction volume in the upper part 60 by a Df pump 61 supplying coagulation means / flocculation 62, known in themselves, before rejection in the lower part 63 of a second compartment 7 of the type described with reference to Figure 1.
- This second compartment which furthermore comprises cavitation bubbling means 43, is connected in the lower part 64 to an additional compartment 5A identical to the first compartment 5 described here before.
- FIG. 3 shows another embodiment of a device 70 according to the invention.
- This device 70 comprises a preliminary chamber 4 provided with flocculation / coagulation means as described above.
- An intermediate compartment 6 is advantageously supplied with 40-type catalyst Fe2 + as described herein. -before.
- FIG. 4 shows a device 80 according to a particularly advantageous embodiment of the invention comprising in this case more than two cycles, namely four identical treatment cycles of the type of those described with reference to FIG.
- a first compartment 5 itself hyperoxidized with very high turbulence, is supplied at the bottom.
- the effluents are then discharged for example by overflow to a second identical cycle 5 ', 6', 7 ', itself similarly feeding a third cycle 5'',6'',the''connected in turn in series with a fourth cycle 5 ''',6''', ⁇ ⁇ ⁇ r before evacuation for further treatment for example for biological treatment (not shown).
- FIG. 5 shows the graphical evolution (curve 81) of the COD content of pretreated effluents as a function of the addition of successive cycles of the type of those described with reference to FIG. 4, in which one sees therefore that said curve 81 decreases regularly.
- the effluent is, as we have seen, itself used to perform the desired physical and chemical work.
- a first step 82 of separation of suspended solids and colloids with low flow recirculation 83 within the preliminary chamber 84 is carried out hyper-oxidation or radical oxidation in circulation at a very high flow rate with recirculation 85 on diamond electrodes.
- the preliminary step 82 has made it possible, by means of the physicochemical treatment with flotation and micro-bubbling, to significantly reduce the COD on the elements most easily accessible by a conventional method.
- Step 84 proceeds, as we have just said, to a radical oxidation which will then be optionally repeated several times depending on the number of cycles.
- This phase of hyper-oxidation is the one that will really allow, especially if it is repeated, to destroy complex molecules.
- the hyperoxidation is carried out from OH 0 ions, obtained by electrolysis.
- a mass transfer is caused in contact with the electrodes and the presence of the most turbulent flow possible at the crossing thereof causes entrainment of microbubbles.
- the electrolysis also produces a very large concentration of micro bubbles which will turn out to work as surface-active structures of the organic molecule.
- the effluent to be treated thus consists of: "proteins, 2 to 3% of the dry matter.” Oily residues not recovered by centrifugation, including waxes (fatty acids with
- the effluent is mainly composed of carbon structures with long chains or assemblies of these molecular structures.
- Such an effluent after treatment with a two or even three hyperoxidation flotation cycle as described above has an initial flow rate of 5 m 3 / h for a total enclosure volume of the order of 26 m 3. allows to go down to a COD much lower than 500 mg / 1 or even 100 mg / 1.
- the following step is an intermediate stage 86 of natural flotation with bubbles via a cavitation circuit, before coagulation at 87, flocculation at 88 and then evacuation at 89 in a compartment with a free surface of type second compartment 7 described above, by recirculating low flow 90 with bubbling by cavitation to allow a flotation.
- the flow Df is also withdrawn at the top continuously in 91, with scraping solid foams obtained.
- This device has successfully treated the water of a chemical storage site containing traces of the products listed below, for a total COD of 500 to 2,000 mg / 1.
- the electrolytic treatment here has allowed oxidation and / or reduction depending on the molecule concerned, the following molecules being present Ethyl Acetate, Acetone, Heptanoic Acid, Sulfuric Acid, Benzene and Bitumen, Butyldiglycolether, Methylene Chloride, 1,2-Dichloroethane , Petrol, Ethanol, ethyl hexanol, Oils and additives, ISI butanol, Potash detergent, Methanol, methylethylcetone, Monoethylene glycol, Normal butanol, rather ethanol, propylene glycol, carbon tetrachloride, tetrahydrofuran, toluene, 1,1,1-trichloroethane, trichloromethane, trichlorethylene, heavy fuel, xylene.
- Table 1 shows the results obtained in tests carried out with a 3m 3 reactor, the simplified results of these tests are given in columns 1 to 11.
- Table 2 shows more particularly and by way of example the results obtained with some of the polluting molecules before and after treatment during one of the tests (test 2) of Table 1.
- Step No. 4 produces the hydroxyl radical used in the hyperoxidation reaction.
- the present invention is not limited to the embodiments more particularly described. On the contrary, it encompasses all the variants and in particular those where the gas recovery means are provided for supplying the venturi in the cavitation circuits of the second compartment, those where the first and second compartments are arranged one above the other. other to increase the compactness or those as described above where the radical oxidation means are combined (or not) with radical reduction means.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Physical Water Treatments (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0900705A FR2942220B1 (fr) | 2009-02-16 | 2009-02-16 | Procede et dispositif d'epuration d'effluents liquides |
PCT/FR2010/000131 WO2010092265A1 (fr) | 2009-02-16 | 2010-02-16 | Procédé et dispositif d'épuration d'effluents |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2396283A1 true EP2396283A1 (fr) | 2011-12-21 |
Family
ID=41009780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10707102A Withdrawn EP2396283A1 (fr) | 2009-02-16 | 2010-02-16 | Procédé et dispositif d'épuration d'effluents |
Country Status (11)
Country | Link |
---|---|
US (1) | US20120043224A1 (es) |
EP (1) | EP2396283A1 (es) |
JP (1) | JP5752608B2 (es) |
KR (1) | KR20110127216A (es) |
CN (1) | CN102438955B (es) |
BR (1) | BRPI1008843A2 (es) |
CA (1) | CA2752732A1 (es) |
EA (1) | EA201101171A1 (es) |
FR (1) | FR2942220B1 (es) |
MX (1) | MX342416B (es) |
WO (1) | WO2010092265A1 (es) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8741100B2 (en) | 2007-03-13 | 2014-06-03 | Heartland Technology Partners Llc | Liquid concentrator |
US10005678B2 (en) | 2007-03-13 | 2018-06-26 | Heartland Technology Partners Llc | Method of cleaning a compact wastewater concentrator |
US8679291B2 (en) | 2007-03-13 | 2014-03-25 | Heartland Technology Partners Llc | Compact wastewater concentrator using waste heat |
US8790496B2 (en) | 2007-03-13 | 2014-07-29 | Heartland Technology Partners Llc | Compact wastewater concentrator and pollutant scrubber |
MX360400B (es) | 2009-02-12 | 2018-10-31 | Heartland Tech Partners Llc | Concentrador compacto de aguas residuales compacto que usa el calor de desechos. |
US8721771B2 (en) | 2011-01-21 | 2014-05-13 | Heartland Technology Partners Llc | Condensation plume mitigation system for exhaust stacks |
US9296624B2 (en) | 2011-10-11 | 2016-03-29 | Heartland Technology Partners Llc | Portable compact wastewater concentrator |
US8808497B2 (en) | 2012-03-23 | 2014-08-19 | Heartland Technology Partners Llc | Fluid evaporator for an open fluid reservoir |
US8741101B2 (en) | 2012-07-13 | 2014-06-03 | Heartland Technology Partners Llc | Liquid concentrator |
US8585869B1 (en) | 2013-02-07 | 2013-11-19 | Heartland Technology Partners Llc | Multi-stage wastewater treatment system |
US9199861B2 (en) | 2013-02-07 | 2015-12-01 | Heartland Technology Partners Llc | Wastewater processing systems for power plants and other industrial sources |
FR3013699B1 (fr) * | 2013-11-27 | 2017-07-21 | Orege | Procede de desodorisation d'une boue et dispositif mettant en oeuvre un tel procede. |
FR3016625B1 (fr) * | 2014-01-21 | 2021-07-02 | Isb Water | Dispositif de traitement d'un liquide |
KR101690510B1 (ko) * | 2015-05-04 | 2016-12-28 | 두산중공업 주식회사 | 다중 기포 주입 방식의 용존공기부상 수처리 장치 |
CN106565030A (zh) * | 2015-10-12 | 2017-04-19 | 中国石油化工股份有限公司 | 一种压裂返排液的处理装置及方法 |
CN108726787A (zh) * | 2017-04-21 | 2018-11-02 | 中国石油天然气股份有限公司 | 原油电脱盐污水的处理方法 |
KR102569770B1 (ko) * | 2018-11-09 | 2023-08-22 | 서부석 | 수산화 라디칼을 이용한 축산분뇨 처리 시스템 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004344833A (ja) * | 2003-05-26 | 2004-12-09 | Oriental Kiden Kk | オゾン水処理装置 |
FR2863908A1 (fr) * | 2003-12-22 | 2005-06-24 | Otv Sa | Procede et reacteur de traitement par floculation |
WO2008150541A1 (en) * | 2007-06-04 | 2008-12-11 | Schwartzel David T | Aqueous treatment apparatus utilizing precursor materials and ultrasonics to generate customized oxidation-reduction-reactant chemistry environments in electrochemical cells and/or similar devices |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT364219B (de) * | 1979-10-02 | 1981-10-12 | Vmw Ranshofen Berndorf Ag | Reinigung von elektrolytisch erzeugten metallkathoden |
US4673443A (en) * | 1985-03-18 | 1987-06-16 | Motorola, Inc. | Continuous ionizer for semiconductor manufacturing processes |
JPH04131185A (ja) * | 1990-09-19 | 1992-05-01 | Syst Geito Kk | 電気浮上装置 |
US5364508A (en) * | 1992-11-12 | 1994-11-15 | Oleh Weres | Electrochemical method and device for generating hydroxyl free radicals and oxidizing chemical substances dissolved in water |
NO303048B1 (no) * | 1994-10-19 | 1998-05-25 | Mastrans As | FremgangsmÕte og utstyr for rensing av en vµske |
US6270063B1 (en) * | 1998-07-27 | 2001-08-07 | Texas Instruments Incorporated | Ozone diffuser for deionized water |
JP2000334462A (ja) * | 1999-05-28 | 2000-12-05 | Hosho Ro | 充填床式電気化学水処理装置及びその方法 |
US6423193B1 (en) * | 1999-08-30 | 2002-07-23 | Case Western Reserve University | Nitrogen doped carbon electrodes |
FR2801581B1 (fr) * | 1999-11-26 | 2002-04-26 | Degremont | Procede et dispositif d'epuration d'effluents aqueux par oxydation catalytique |
FR2832400B1 (fr) * | 2001-11-22 | 2004-02-13 | Herve Maurice Marcel G Brisset | Procede et dispositif de traitement des boues hydrophiles par effet de turbulence hydraulique associee a une oxydation et des reactions chimiques par apport d'additifs |
AT412002B (de) * | 2002-07-08 | 2004-08-26 | Wolfgang Dipl Ing Mag Wesner | Diamantelektrode und verfahren zu ihrer herstellung |
WO2005007578A2 (ja) * | 2003-06-19 | 2005-01-27 | Kansai Paint Co., Ltd. | 有機性物質を含有する廃水の浄化処理方法 |
JP2005103498A (ja) * | 2003-10-01 | 2005-04-21 | Permelec Electrode Ltd | 化学めっき廃液の電解処理装置及び方法 |
JP2005118664A (ja) * | 2003-10-16 | 2005-05-12 | Fuso Kensetsu Kogyo Kk | 地下水の水質浄化方法及びその装置 |
JP2005193202A (ja) * | 2004-01-09 | 2005-07-21 | Kurita Water Ind Ltd | 水処理方法及び水処理装置 |
EP1555246A1 (en) * | 2004-01-15 | 2005-07-20 | Craig P. Renaud | Effluent treatment method and apparatus |
US20050224338A1 (en) * | 2004-04-08 | 2005-10-13 | Industrial Technology Research Institute | Water treatment reactor for simultaneous electrocoagulation and advanced oxidation processes |
WO2007005993A2 (en) * | 2005-07-05 | 2007-01-11 | Aquatic Technologies | Oxygenation of aqueous systems |
FR2914919B1 (fr) * | 2007-04-13 | 2011-09-16 | Orege | Procede et dispositif d'epuration d'effluents liquides. |
CN100560517C (zh) * | 2007-08-10 | 2009-11-18 | 南京大学 | 一种电化学氧化絮凝组合工艺预处理焦化废水的方法 |
US7833410B2 (en) * | 2007-08-21 | 2010-11-16 | Morse Dwain E | Bio tank/gas replenishment system |
-
2009
- 2009-02-16 FR FR0900705A patent/FR2942220B1/fr not_active Expired - Fee Related
-
2010
- 2010-02-16 KR KR1020117021483A patent/KR20110127216A/ko not_active Application Discontinuation
- 2010-02-16 EP EP10707102A patent/EP2396283A1/fr not_active Withdrawn
- 2010-02-16 BR BRPI1008843A patent/BRPI1008843A2/pt not_active IP Right Cessation
- 2010-02-16 CN CN201080014888.4A patent/CN102438955B/zh not_active Expired - Fee Related
- 2010-02-16 WO PCT/FR2010/000131 patent/WO2010092265A1/fr active Application Filing
- 2010-02-16 EA EA201101171A patent/EA201101171A1/ru unknown
- 2010-02-16 MX MX2011008591A patent/MX342416B/es active IP Right Grant
- 2010-02-16 JP JP2011549630A patent/JP5752608B2/ja not_active Expired - Fee Related
- 2010-02-16 US US13/201,583 patent/US20120043224A1/en not_active Abandoned
- 2010-02-16 CA CA2752732A patent/CA2752732A1/fr not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004344833A (ja) * | 2003-05-26 | 2004-12-09 | Oriental Kiden Kk | オゾン水処理装置 |
FR2863908A1 (fr) * | 2003-12-22 | 2005-06-24 | Otv Sa | Procede et reacteur de traitement par floculation |
WO2008150541A1 (en) * | 2007-06-04 | 2008-12-11 | Schwartzel David T | Aqueous treatment apparatus utilizing precursor materials and ultrasonics to generate customized oxidation-reduction-reactant chemistry environments in electrochemical cells and/or similar devices |
Non-Patent Citations (1)
Title |
---|
See also references of WO2010092265A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102438955B (zh) | 2014-12-03 |
WO2010092265A1 (fr) | 2010-08-19 |
MX342416B (es) | 2016-09-28 |
KR20110127216A (ko) | 2011-11-24 |
US20120043224A1 (en) | 2012-02-23 |
BRPI1008843A2 (pt) | 2019-09-24 |
CA2752732A1 (fr) | 2010-08-19 |
JP5752608B2 (ja) | 2015-07-22 |
FR2942220A1 (fr) | 2010-08-20 |
JP2012517893A (ja) | 2012-08-09 |
EA201101171A1 (ru) | 2012-05-30 |
FR2942220B1 (fr) | 2011-04-08 |
MX2011008591A (es) | 2011-10-28 |
CN102438955A (zh) | 2012-05-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2396283A1 (fr) | Procédé et dispositif d'épuration d'effluents | |
EP2139818B1 (fr) | Procede et dispositif d'epuration d' effluents liquides | |
EP1711435B1 (fr) | Installation et procede d'epuration d'un effluent aqueux par oxydation et par filtration membranaire. | |
CA2754083C (fr) | Procede d'electrolyse et procede et installation de pre -traitement d'eau brute | |
WO2009071763A1 (fr) | Procede et dispositif de traitement des eaux residuaires | |
CN106396270A (zh) | 一种高浓度制药废水处理系统及处理方法 | |
FR2890389A1 (fr) | Procede d'epuration biologique d'eaux usees avec ajout d'agent oxydant | |
EP3303231B1 (fr) | Procede et dispositif d'epuration d'eaux domestiques ou industrielles | |
FR2924111A1 (fr) | Installation de traitement biologique d'une eau a moyens d'agitation et/ou de decolmatage mecanique et/ou hydraulique et procede de traitement d'eau correspondant | |
EP0968045B1 (fr) | Procede et dispositif de recuperation du gaz d'event provenant d'un reacteur d'ozonation | |
WO2013098533A1 (fr) | Procede de traitement d'effluents de soudes usees issus de traitement de coupes petrolieres. | |
JP4183737B1 (ja) | 有機物を含んだ排水の処理方法および処理装置 | |
FR2864069A1 (fr) | Procede de reduction de boues issues du traitement d'eaux usees par oxygenation et action mecanique | |
JP4183738B1 (ja) | 有機物を含んだ排水の処理方法および処理装置 | |
Kvartenko et al. | Technology of de-ironing of weakly acidic low alkaline underground water containing ammonium nitrogen | |
FR2774980A1 (fr) | Procede de traitement d'effluents par voie biologique et oxydation ne produisant pas ou de boues en exces | |
WO2023139403A1 (en) | Method and system for water treatment using modified advanced oxidizing technology | |
JP2005137969A (ja) | 有機性排水処理装置 | |
FR2871795A1 (fr) | Procede de traitement des lixiviats et tout autre effluent industriel et domestique, en vue de leurs rejet en milieu naturel | |
JP2000070987A (ja) | 廃水のリン除去方法および装置 | |
EP0567405A1 (fr) | Procédé, dispositif et installations de traitement de déchets graisseux et produit de valorisation de déchets graisseux | |
OA16394A (fr) | Procédé et dispositif de clarification des eaux. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20110809 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
17Q | First examination report despatched |
Effective date: 20160907 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20170218 |