DE2624223A1 - Verfahren zur regenerierung von abwasser und vorrichtung zur durchfuehrung dieses verfahrens - Google Patents
Verfahren zur regenerierung von abwasser und vorrichtung zur durchfuehrung dieses verfahrensInfo
- Publication number
- DE2624223A1 DE2624223A1 DE19762624223 DE2624223A DE2624223A1 DE 2624223 A1 DE2624223 A1 DE 2624223A1 DE 19762624223 DE19762624223 DE 19762624223 DE 2624223 A DE2624223 A DE 2624223A DE 2624223 A1 DE2624223 A1 DE 2624223A1
- Authority
- DE
- Germany
- Prior art keywords
- water
- chemical agent
- flocculation
- waste water
- pump
- 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- Withdrawn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 description 25
- 239000002351 wastewater Substances 0.000 title claims description 15
- 230000001172 regenerating effect Effects 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000005189 flocculation Methods 0.000 claims description 16
- 230000016615 flocculation Effects 0.000 claims description 16
- 239000000271 synthetic detergent Substances 0.000 claims description 16
- 230000008929 regeneration Effects 0.000 claims description 5
- 238000011069 regeneration method Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000013043 chemical agent Substances 0.000 claims 7
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000000977 initiatory effect Effects 0.000 claims 1
- 239000004094 surface-active agent Substances 0.000 description 24
- 229940037003 alum Drugs 0.000 description 16
- 239000003921 oil Substances 0.000 description 12
- 239000003599 detergent Substances 0.000 description 11
- 239000000839 emulsion Substances 0.000 description 10
- 238000005406 washing Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000000344 soap Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- -1 arylalkyl sulfonates Chemical class 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 238000000108 ultra-filtration Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 3
- 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 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 150000004665 fatty acids Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 150000003460 sulfonic acids Chemical class 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 235000019645 odor Nutrition 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical group [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000008055 alkyl aryl sulfonates Chemical class 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000004525 petroleum distillation Methods 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- 229940045870 sodium palmitate Drugs 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229940080350 sodium stearate Drugs 0.000 description 1
- GGXKEBACDBNFAF-UHFFFAOYSA-M sodium;hexadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCC([O-])=O GGXKEBACDBNFAF-UHFFFAOYSA-M 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/587,426 US4092242A (en) | 1975-06-16 | 1975-06-16 | Waste water purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2624223A1 true DE2624223A1 (de) | 1976-12-23 |
Family
ID=24349766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762624223 Withdrawn DE2624223A1 (de) | 1975-06-16 | 1976-05-29 | Verfahren zur regenerierung von abwasser und vorrichtung zur durchfuehrung dieses verfahrens |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US4092242A (enExample) |
| JP (1) | JPS5269A (enExample) |
| AT (1) | AT353709B (enExample) |
| AU (1) | AU499214B2 (enExample) |
| BE (1) | BE842408A (enExample) |
| BR (1) | BR7603390A (enExample) |
| CA (1) | CA1052482A (enExample) |
| CH (1) | CH628865A5 (enExample) |
| DE (1) | DE2624223A1 (enExample) |
| DK (1) | DK239176A (enExample) |
| ES (1) | ES448383A1 (enExample) |
| FR (1) | FR2314899A1 (enExample) |
| GB (1) | GB1543411A (enExample) |
| IL (1) | IL49682A (enExample) |
| IN (1) | IN142076B (enExample) |
| IT (1) | IT1061329B (enExample) |
| MX (1) | MX3809E (enExample) |
| NL (1) | NL7606059A (enExample) |
| SE (1) | SE7605559L (enExample) |
| YU (1) | YU133576A (enExample) |
| ZA (1) | ZA763166B (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237004A (en) * | 1978-10-02 | 1980-12-02 | Le Mere Industries, Inc. | Method for treating waste water |
| US4235712A (en) * | 1979-04-05 | 1980-11-25 | Conoco, Inc. | Removal of anionic surfactants from water |
| SE443930B (sv) * | 1981-05-08 | 1986-03-17 | Flaekt Ab | Anordning for rening av fororenad luft fran sprutbox med hjelp av biologisk nedbrytning |
| GB8715599D0 (en) * | 1987-07-02 | 1987-08-12 | Hydrefficiency International L | Effluent treatment of waste water |
| FR2619727A1 (fr) * | 1987-09-01 | 1989-03-03 | Univ Paris Curie | Procede de filtration membranaire d'une solution contenant des particules ioniques de faibles dimensions |
| GB2216266A (en) * | 1988-03-03 | 1989-10-04 | Robert Philip Lock | A patient monitoring system |
| WO1992020624A1 (en) * | 1991-05-15 | 1992-11-26 | Pec Research, Inc. | Methods and apparatus for producing potable water |
| US5205937A (en) * | 1992-04-30 | 1993-04-27 | U.S. Filter Membralox | Recovery and reuse of water-based cleaners |
| US6113769A (en) * | 1997-11-21 | 2000-09-05 | International Business Machines Corporation | Apparatus to monitor and add plating solution of plating baths and controlling quality of deposited metal |
| GB2343446A (en) * | 1998-11-07 | 2000-05-10 | Procter & Gamble | Process and composition for water purification |
| WO2000073212A1 (en) * | 1999-05-27 | 2000-12-07 | Nilfisk-Advance A/S | A method of removing dirt from a dirty solution, use of the method and devices able to perform this method |
| JP2006187697A (ja) * | 2005-01-04 | 2006-07-20 | Hitachi Ltd | ろ過浄化装置 |
| CN101098832A (zh) * | 2005-01-11 | 2008-01-02 | 3M创新有限公司 | 含有表面活性剂的废水流的处理方法 |
| US8277652B2 (en) * | 2007-02-13 | 2012-10-02 | Urquhart Gordon T | Oil-sludge filtration system with aeration pump |
| US20100096337A1 (en) * | 2007-03-06 | 2010-04-22 | Mader Brian T | Ultrasonically induced cavitation of fluorochemicals |
| WO2008109219A1 (en) * | 2007-03-06 | 2008-09-12 | 3M Innovative Properties Company | System and process for ultrasonically induced cavitation of fluorochemicals |
| US20100089841A1 (en) * | 2007-03-06 | 2010-04-15 | Mader Brian T | Ultrasonically induced cavitation of fluorochemicals |
| JP2017035686A (ja) * | 2015-08-13 | 2017-02-16 | 株式会社グンビル | 廃液処理方法 |
| US10525380B2 (en) | 2016-01-12 | 2020-01-07 | Air And Liquid Systems, Inc. | Floating chopper sludge weir |
| CN111348693A (zh) * | 2018-12-24 | 2020-06-30 | 无锡小天鹅电器有限公司 | 净水底壳、净水盖体、净水器和洗衣装置 |
| US11390545B2 (en) | 2019-04-29 | 2022-07-19 | Zero Discharge, LLC | Zero discharge water treatment apparatus and method |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2793185A (en) * | 1952-12-17 | 1957-05-21 | Albrektsson John Oscar Georg | Method and apparatus for introduction of gas into water to be treated by flotation |
| US3147217A (en) * | 1958-05-19 | 1964-09-01 | William M Bready | Flotation method for the treatment and clarification of water |
| US3259567A (en) * | 1964-01-31 | 1966-07-05 | Gen Mills Inc | Method and apparatus for treatment of detergent-laden wastes |
| US3510001A (en) * | 1965-06-25 | 1970-05-05 | Erhardt Baer | Flotation chamber for cleaning sewage and the like |
| US3434968A (en) * | 1966-05-12 | 1969-03-25 | Broadway Res & Dev Corp | Method and apparatus for clarifying water |
| USRE28323E (en) | 1968-10-07 | 1975-01-28 | Continuous clarification-filtration method | |
| US3583909A (en) * | 1970-02-05 | 1971-06-08 | Grace W R & Co | Removal of phosphate ion by flotation with an anionic surfactant |
| US3764013A (en) * | 1970-04-07 | 1973-10-09 | Duerr O Kg | Apparatus for separating paint or the like from water |
| US3673065A (en) * | 1970-04-08 | 1972-06-27 | Swift & Co | Electrolytic removal of greasy matter from aqueous wastes |
| US3733265A (en) * | 1971-11-22 | 1973-05-15 | Atomic Energy Commission | Cross-flow filtration process for removal of total organic carbon and phosphates from aqueous sewage effluents |
| JPS5178067A (en) * | 1974-12-27 | 1976-07-07 | Kawamoto Bristle Refining | Koroidokyuchakunyoru haisuishorisochi |
-
1975
- 1975-06-16 US US05/587,426 patent/US4092242A/en not_active Expired - Lifetime
-
1976
- 1976-03-12 JP JP51026245A patent/JPS5269A/ja active Pending
- 1976-05-13 AT AT352376A patent/AT353709B/de not_active IP Right Cessation
- 1976-05-14 SE SE7605559A patent/SE7605559L/xx unknown
- 1976-05-25 IN IN906/CAL/76A patent/IN142076B/en unknown
- 1976-05-26 ZA ZA763166A patent/ZA763166B/xx unknown
- 1976-05-28 AU AU14425/76A patent/AU499214B2/en not_active Expired
- 1976-05-28 BR BR7603390A patent/BR7603390A/pt unknown
- 1976-05-28 CH CH672876A patent/CH628865A5/de not_active IP Right Cessation
- 1976-05-29 DE DE19762624223 patent/DE2624223A1/de not_active Withdrawn
- 1976-05-31 DK DK239176A patent/DK239176A/da not_active Application Discontinuation
- 1976-05-31 CA CA253,736A patent/CA1052482A/en not_active Expired
- 1976-05-31 BE BE167493A patent/BE842408A/xx not_active IP Right Cessation
- 1976-05-31 ES ES448383A patent/ES448383A1/es not_active Expired
- 1976-05-31 IT IT49740/76A patent/IT1061329B/it active
- 1976-05-31 IL IL49682A patent/IL49682A/xx unknown
- 1976-05-31 FR FR7616406A patent/FR2314899A1/fr active Granted
- 1976-05-31 MX MX76245U patent/MX3809E/es unknown
- 1976-05-31 YU YU01335/76A patent/YU133576A/xx unknown
- 1976-06-01 GB GB22678/76A patent/GB1543411A/en not_active Expired
- 1976-06-04 NL NL7606059A patent/NL7606059A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5269A (en) | 1977-01-05 |
| US4092242A (en) | 1978-05-30 |
| AU1442576A (en) | 1977-12-01 |
| CH628865A5 (de) | 1982-03-31 |
| DK239176A (da) | 1976-12-17 |
| ATA352376A (de) | 1979-04-15 |
| AT353709B (de) | 1979-11-26 |
| FR2314899B1 (enExample) | 1982-04-23 |
| IN142076B (enExample) | 1977-05-28 |
| ES448383A1 (es) | 1977-08-01 |
| YU133576A (en) | 1982-06-30 |
| ZA763166B (en) | 1977-05-25 |
| BR7603390A (pt) | 1977-07-19 |
| IT1061329B (it) | 1983-02-28 |
| FR2314899A1 (fr) | 1977-01-14 |
| GB1543411A (en) | 1979-04-04 |
| NL7606059A (nl) | 1976-12-20 |
| IL49682A0 (en) | 1976-07-30 |
| BE842408A (fr) | 1976-09-16 |
| SE7605559L (sv) | 1976-12-17 |
| IL49682A (en) | 1979-03-12 |
| AU499214B2 (en) | 1979-04-12 |
| CA1052482A (en) | 1979-04-10 |
| MX3809E (es) | 1981-07-24 |
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