| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 12/15/1987 | US4713223 Dissolving in acid; complexing impurities; precipitating iron |
| 12/15/1987 | US4713178 Dewatering agents |
| 12/15/1987 | US4713177 Process for mitigating scale formation in tube reaction apparatus |
| 12/15/1987 | US4713175 Water purifier comprising stages mounted side-by-side to unitary header |
| 12/15/1987 | US4713173 Three element aquarium filter cartridge |
| 12/15/1987 | US4713172 Apparatus for improved aeration of liquids |
| 12/15/1987 | US4713170 Electrolysis |
| 12/15/1987 | US4713159 Compact and cleanable apparatus for preventing scale formation in liquid systems |
| 12/15/1987 | US4713156 Process for regulating an electro-dialyzer and improved electrodialysis apparatus |
| 12/15/1987 | US4713089 System and method for removing volatile components from an aqueous medium |
| 12/12/1987 | CN86209776U Electrolyzing sterilization device for drinking water |
| 12/12/1987 | CN86206818U Water softing device for multi-way cock feed water in tank |
| 12/10/1987 | DE3619086A1 Process for desalting aqueous solutions, apparatus for carrying out the same and use thereof |
| 12/09/1987 | EP0248524A2 Method of separating and/or purifying bio-affecting substances using particulate, polymeric adsorbents |
| 12/09/1987 | EP0248519A2 Flotation-aid composition and method of use thereof |
| 12/09/1987 | EP0248429A2 Method of extracting organic compounds from water |
| 12/09/1987 | EP0248050A1 Marine biofouling reduction. |
| 12/08/1987 | US4712024 Active balum star mixer |
| 12/08/1987 | US4711727 Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith |
| 12/08/1987 | US4711718 Removable cartridge containing halogen or nitrogen oxide substituted catechol siderophore for chelating lead copper ions |
| 12/08/1987 | US4711370 Seal member for pellet dispenser |
| 12/08/1987 | CA1230080A1 Electrode chamber unit intended for an electrochemical cell having a porous percolation electrode |
| 12/03/1987 | WO1987007316A1 Bacterial composition and method for purifying water and soil of oil pollution |
| 12/03/1987 | WO1987007252A1 Process for treating pollutant effluent, particularly in the tanning industry, and plant for implementing the process |
| 12/03/1987 | WO1987007251A1 Purification of liquid aerosols |
| 12/03/1987 | WO1987007250A1 Freezing process |
| 12/03/1987 | DE3617848A1 Process for removing heavy metals from sewage sludges or any type of sludges |
| 12/02/1987 | EP0247987A1 A basic metal hydroxysulphate complex in solid form and a method for its manufacture |
| 12/02/1987 | EP0247852A1 Process and apparatus for producing aqueous silver ion-containing solutions |
| 12/02/1987 | EP0247774A2 Cationic monomer delayed addition process |
| 12/02/1987 | EP0247591A2 Method for treating air-cooling system's aqueous medium |
| 12/02/1987 | EP0247299A2 Process for desulfurization flue gases |
| 12/02/1987 | EP0247169A1 Apparatus for rediffusion of oxygen |
| 12/02/1987 | EP0247046A1 Hygienization of water-miscible cooling lubricant emulsions by irradiation with hard gamma rays |
| 12/02/1987 | CN87206462U Contaminant release device using electromagnetised water |
| 12/02/1987 | CN87103664A Process for treating the efflvent from cyanogenation in the polymethylmethacrylate plant |
| 12/02/1987 | CN87101908A Treatment of effuent from printing and dyeing plant by adsorption-coagulation or floatation |
| 12/01/1987 | US4710356 Apparatus to accelerate the transfer of material between two media reacting in a fluidized bed |
| 12/01/1987 | US4710306 Adding a soluble aluminum salt ot a brine; neutralization and filtration |
| 12/01/1987 | US4710305 Processes and oxidizing agents for oxidizing sulfide ion to innocuous, soluble sulfur species |
| 12/01/1987 | US4710304 Aged aqueous solution of high molecular weight polymer added to sludge |
| 12/01/1987 | US4710301 Wastewater purification process |
| 12/01/1987 | US4710300 Method for processing of organic materials containing nitrogen compounds |
| 12/01/1987 | US4710298 Blend of cationic flocculant and fibers |
| 12/01/1987 | US4710292 Digester tank with foam control cover |
| 12/01/1987 | US4710291 Two-stage apparatus for clarifying liquid charged with solid matter |
| 12/01/1987 | US4710290 Fluid clarifying assembly |
| 12/01/1987 | US4710282 Transuerse flow along anode to saturate water with silver |
| 12/01/1987 | US4710233 Method and apparatus for cleaning, disinfecting and sterilizing medical instruments |
| 12/01/1987 | CA1229818A1 Swimming pool chemical dispenser |
| 12/01/1987 | CA1229807A1 Process for biological conversion of substrates |
| 11/26/1987 | DE3716782A1 Process and apparatus for purifying waste waters containing organic substances, in particular for the effective removal of phosphorus and nitrogen |
| 11/25/1987 | EP0246957A1 A method for treating organic waste material and a catalyst/cocatalyst composition useful therefor |
| 11/25/1987 | EP0246677A1 Process for removing mercury from arsenic-containing residual sulfuric acid solutions |
| 11/25/1987 | EP0246533A2 Use of special catalytic resin for the catalytic reduction of oxygen in an aqueous medium |
| 11/25/1987 | EP0246376A1 Water heater and distiller apparatus |
| 11/25/1987 | CN87103349A 流体净化系统 Fluid purification system |
| 11/25/1987 | CN87102816A Apparatus exposure to radiation fluid by radioactive rays |
| 11/24/1987 | US4708814 Water treatment compositions and processes |
| 11/24/1987 | US4708806 Destruction of nitrated aromatics |
| 11/24/1987 | US4708794 Installation and apparatus for treating a liquid, in particular for demineralizing water passing through a bed of active granular material which is compacted in a high position and which is periodically regenerated by a reverse flow |
| 11/24/1987 | US4708721 Solvent absorption and recovery system |
| 11/24/1987 | CA1229686A1 Process and apparatus for the removal of heavy metals contained in wastewater |
| 11/19/1987 | WO1987006972A1 Improvements in/or relating to chlorination of water |
| 11/19/1987 | WO1987006925A1 Method and device for ionizing liquid |
| 11/19/1987 | WO1987006841A1 Fluid purification system |
| 11/19/1987 | EP0246070A1 Process and apparatus for recovery of precious metal compound |
| 11/19/1987 | EP0246062A2 Improvements in or relating to chlorination of water |
| 11/19/1987 | EP0245917A2 Quick termination apparatus and method for electrical connector |
| 11/19/1987 | EP0245775A2 Method and apparatus for treating polluted fluids |
| 11/19/1987 | EP0245445A1 Reverse osmosis water purifier |
| 11/19/1987 | EP0245376A1 Water treatment apparatus |
| 11/19/1987 | DE3616555A1 Degassing device |
| 11/19/1987 | DE3616508A1 Treatment of gas scrubber effluents |
| 11/19/1987 | DE3616380A1 Adsorption layer |
| 11/18/1987 | CN86104025A Filtering device for fluid |
| 11/18/1987 | CN86103265A Manufacturing high molecule flocculant from jew's-ear and tremella |
| 11/18/1987 | CN86103188A Treatment of residual liquor during rectification of methanol |
| 11/17/1987 | US4707349 Process of preparing a preferred ferric sulfate solution, and product |
| 11/17/1987 | US4707348 Method for neutralizing waste sulfuric acid by adding a silicate |
| 11/17/1987 | US4707273 Manganese removal from aqueous industrial waste effluents |
| 11/17/1987 | US4707263 Water treatment package |
| 11/17/1987 | US4707255 Apparatus for magnetic treatment of flowing liquid |
| 11/17/1987 | US4707254 Upflow type with sludge blanket; anaerobic |
| 11/12/1987 | DE3707586A1 Einrichtung zum bestrahlen von fluessigkeiten mit radioaktiven strahlen Radiation means for irradiating with radioactive liquids |
| 11/11/1987 | EP0245062A2 Water treatment apparatus |
| 11/11/1987 | EP0244954A1 Method and system for enriching oxygen content of water |
| 11/11/1987 | EP0244922A1 Apparatus and method for removing strontium ions from aqueous solutions |
| 11/11/1987 | EP0244881A1 Cross-flow separator for separating component suspended in a liquid |
| 11/11/1987 | EP0244565A1 Method for charging tap water with ozone by means of a solid electrodes electrolytic cell |
| 11/11/1987 | CN86210736U Water magnetizing device in water meter |
| 11/11/1987 | CN86208169U 白银回收罐 Silver recovery tank |
| 11/11/1987 | CN86106532A Acidic waste water processing agent |
| 11/10/1987 | US4705640 Degradation of polymer flocculants |
| 11/10/1987 | US4705639 Ferrous and sulfide treatment of electroplating wastewater |
| 11/10/1987 | US4705638 Waste water treatment |
| 11/10/1987 | US4705637 Process for reducing the wash water requirement of weakly basic anion exchangers |
| 11/10/1987 | US4705634 Process and apparatus for the biological purification of wastewater |
| 11/10/1987 | US4705537 Process for separating clarified water from an aqueous dispersion of ash, slag and char particulate matter |
| 11/10/1987 | US4704877 Apparatus and method of freezing a feed liquid |