| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 09/06/1988 | US4769154 Chlorine oxidation waste water treatment method |
| 09/06/1988 | US4769152 Process for removing electrolyte |
| 09/06/1988 | US4769144 For filtering water into bottles; with cap for emptying |
| 09/06/1988 | US4769143 Device for purifying water |
| 09/06/1988 | US4769137 Means for chlorination of swimming pools |
| 09/06/1988 | US4769131 Ultraviolet radiation purification system |
| 09/06/1988 | US4769120 Ionization; consumable anode; spiral guides with through-holes |
| 09/06/1988 | US4769119 Water treatment |
| 09/06/1988 | US4769113 Method for recycling energy in counterflow heat exchange and distillation |
| 09/06/1988 | CA1241775A1 Mobile fluid purification unit |
| 09/06/1988 | CA1241774A1 Effluent treatment |
| 09/06/1988 | CA1241772A1 Hybrid high rate anaerobic treatment process and apparatus |
| 09/06/1988 | CA1241653A1 Polymeric quaternary ammonium compounds, their preparation and use |
| 09/06/1988 | CA1241522A1 Ammonia scavenger |
| 09/06/1988 | CA1241521A1 Ammonia scavenger |
| 09/01/1988 | DE3723745C1 Process and device for breaking emulsions |
| 08/31/1988 | EP0280519A2 Bacterial inhibiting compositions and use thereof |
| 08/31/1988 | EP0280446A2 Method for the production of highly pure water by distillation |
| 08/31/1988 | EP0280440A1 Paint spray booth detackification method |
| 08/31/1988 | EP0280029A2 Simultaneous removal of heavy metals and oxidizable noxious compounds from waste water |
| 08/31/1988 | EP0279964A2 Process for the removal of metals, in particular heavy metals, from waste water |
| 08/31/1988 | EP0279849A1 A process for cleaning chlorinated water and an apparatus for carrying out the process. |
| 08/31/1988 | CN87101713A Process for recovering nickel tetracarbonyl from waste renik nickel catalyst |
| 08/30/1988 | US4767932 Ultraviolet purification device |
| 08/30/1988 | US4767544 Orally operable water filter |
| 08/30/1988 | US4767537 To generate microscopic bubbles of nitrogen gas which adheres to sludge floc particles |
| 08/30/1988 | US4767528 Drinking water purifying apparatus |
| 08/30/1988 | US4767527 Apparatus for waste water purification |
| 08/30/1988 | US4767525 Clean water system |
| 08/30/1988 | US4767511 Generation of chlorine and sodium hydroxide by electrolytic cell; supplying hydrochloric acid; swimming pools |
| 08/30/1988 | US4767498 Supersaturating with air, concentrating to a slurry; photographic solutions |
| 08/30/1988 | CA1241492A1 Flocculants and their use |
| 08/30/1988 | CA1241463A1 Process and apparatus for handling waste from oil well operations |
| 08/30/1988 | CA1241289A1 Electrolysis process using liquid electrolytes and porous electrodes |
| 08/30/1988 | CA1241200A1 Method of processing an iron-containing dust obtained in the preparation of iron or steel |
| 08/29/1988 | EP0269659A4 Novel compositions and method for neutralization and solidification of hazardous alkali spills. |
| 08/25/1988 | WO1988006347A1 Radiation-emitting devices |
| 08/25/1988 | WO1988006144A1 A method for treating polluted material |
| 08/25/1988 | WO1988006142A1 Waste treatment process for printing operations employing water dispersible inks |
| 08/25/1988 | WO1988006141A1 Article for pollution control and process for absorbing pollutants |
| 08/25/1988 | DE3732896A1 Process for eliminating ammonia and phosphate from waste water and process water |
| 08/25/1988 | DE3704955A1 Electrolyser |
| 08/25/1988 | DE3641365A1 Apparatus for purifying and treating polluted waters |
| 08/24/1988 | EP0279148A2 Water softening method |
| 08/24/1988 | EP0279021A2 Method for removing metallic particles from a cleaning solution in cleaning machines |
| 08/24/1988 | CN86108101A Combination treatment of wastewater coutaining heavy metals |
| 08/23/1988 | US4766321 Symbiotic filter-sterilizer |
| 08/23/1988 | US4765923 Adding activated charcoal powder and a cationic polyamine |
| 08/23/1988 | US4765914 Method of and apparatus for reduction of turbidity in a body of fluid |
| 08/23/1988 | US4765913 Flasking, adding sodium polysulfide to precipitate heavy metals |
| 08/23/1988 | US4765912 Agglomeration of silica to form sludge; removal of clarified liquid; reuse of silica as seed material |
| 08/23/1988 | US4765911 Two-stage treatment with sulfur dioxide |
| 08/23/1988 | US4765908 Forming nonleachabel sludge using montmorilonite, a flocculant, a catalyst, and a polyelectrolyte |
| 08/23/1988 | US4765906 Filter support having two plies connected together at parallel; flexible |
| 08/23/1988 | US4765905 Dialysis |
| 08/23/1988 | US4765901 Oxidation of phenolec compounds before anaerobic treatment |
| 08/23/1988 | US4765900 Oxidation, deamination of animal manures |
| 08/23/1988 | US4765891 Purifier for liquid containing suspended solids; fluid flow in circular path can change direction providing stream of clarified liquid |
| 08/23/1988 | US4765807 Mixing with oxygen supersaturated water; non bubbling |
| 08/23/1988 | US4765805 Method and apparatus for removing dust and gas pollutants from waste gases, particularly waste gases produced in the manufacture of optical waveguide preforms |
| 08/23/1988 | CA1241149A1 Polymerisation processes and polymeric compositions |
| 08/23/1988 | CA1241130A1 Subcyclonic jet recirculation grit removal system |
| 08/23/1988 | CA1241091A1 Computerized system for feeding chemicals into water treatment system |
| 08/23/1988 | CA1240881A1 Waste treatment method and device |
| 08/18/1988 | DE3707905C1 Process and apparatus for flotation, in particular for waste water purification |
| 08/18/1988 | DE3703724A1 Process for concentrating a waste solution from flue gas purification |
| 08/17/1988 | EP0278830A1 Process for treatment of water containing heavy metals, such as chromium |
| 08/17/1988 | EP0278745A2 Process for the treatment of waste |
| 08/17/1988 | EP0278515A2 Chloramine removing means |
| 08/17/1988 | EP0278411A2 Gel-type chelating resins and a process for removal of multivalent, alkaline earth or heavy metal cations from solutions |
| 08/17/1988 | EP0278336A2 Agents for paper production |
| 08/17/1988 | EP0278296A2 Process for the simultaneous chemical and biological removal of solid and liquid organic waste, and apparatus for performing said process |
| 08/17/1988 | EP0278282A2 Method for removing heavy metals from soil |
| 08/17/1988 | EP0114830B1 De-salinator for brackish or salt water |
| 08/17/1988 | CN87207867U Health water generator with mineral and magnetic therapy effect |
| 08/17/1988 | CN86107806B Treatment of waste water from printing and dyeing processes |
| 08/16/1988 | US4764311 Waste removal from seawater aquariums; centrifugal pump |
| 08/16/1988 | US4764286 Nuclear reactors |
| 08/16/1988 | US4764285 Blend of sulfonated hydrophilic and ethoxylated lipophilic surfactants |
| 08/16/1988 | US4764284 Process for removing of heavy metal from water in particular from waste water |
| 08/16/1988 | US4764283 Method and apparatus for treating cooling tower water |
| 08/16/1988 | US4764280 Water softening apparatus |
| 08/16/1988 | US4764278 Process for reducing the concentration of haloorganic compounds in water |
| 08/16/1988 | US4764276 To increase resin reaction efficiency in minimum substrate |
| 08/16/1988 | US4764274 Relpaceable, atcivated charcoal between fibrous pads; for pitchers or bottles |
| 08/16/1988 | US4764271 Water treatment apparatus |
| 08/16/1988 | US4763685 Dispersal member |
| 08/16/1988 | CA1240597A1 Hectorite based paint spray booth detackifying slurries and methods of use thereof |
| 08/11/1988 | WO1988005763A1 Treatment of liquids and biological tissues by magnetic induction |
| 08/11/1988 | DE3702930A1 Process for reducing and neutralising salts of hypochlorous acid |
| 08/11/1988 | DE3702771A1 Apparatus for the restoration or rehabilitation of stagnant waters |
| 08/11/1988 | DE3702425A1 Microbe incubator for regeneration of ailing bodies of water |
| 08/10/1988 | EP0277760A1 Method of effecting accelerated oxidation reaction |
| 08/10/1988 | EP0277704A2 Separation of ash from regenerated adsorbent |
| 08/10/1988 | EP0277632A1 Process for catalytically destroying organic and inorganic oxidisable compounds in water |
| 08/10/1988 | EP0277524A2 Water treatment device |
| 08/10/1988 | EP0277402A1 Biocide |
| 08/10/1988 | EP0277300A1 Device for the purification and neutralization of furnace wastes |
| 08/10/1988 | EP0277179A1 Automatically adjustable weir and environmentally protected sensor |
| 08/10/1988 | EP0277125A1 Process for removing volatile contents from waste liquids produced in coking plants. |