| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
|---|
| 12/11/1985 | EP0164174A1 Method of processing an iron-containing dust obtained in the preparation of iron or steel |
| 12/11/1985 | EP0163750A1 Ozone drinking water purifier |
| 12/03/1985 | CA1197381A1 Process for removing heavy metal ash from an aqueous soot suspension |
| 11/21/1985 | EP0161698A1 Method for cleansing and decontaminating soil and the equipment used for this purpose |
| 11/21/1985 | EP0161467A2 Water treatment apparatus |
| 11/19/1985 | CA1196753A1 Waste metal conversion process and products |
| 10/30/1985 | EP0159349A1 Processes for treating waste streams |
| 10/23/1985 | EP0159246A1 Process and plant for treating waste water resulting from the fabrication of sauerkraut |
| 10/22/1985 | US4548718 Treating cyanide-containing effluents |
| 10/10/1985 | WO1985004390A1 Process and equipment for removal of suspended material, biogenetic nutrients and dissolved metal compounds from sewage contaminated with organic and/or inorganic substances |
| 10/02/1985 | EP0156671A1 Cistern water cooling and purification device |
| 10/02/1985 | EP0156059A2 Process for the detoxification treatment of hazardous wastes |
| 10/01/1985 | US4544488 Air stripping/adsorption process for removing organics from water |
| 09/24/1985 | US4543189 Removal of complexed zinc-cyanide from wastewater |
| 09/17/1985 | US4541926 Portable water conditioner having separate containers for different conditioning materials |
| 09/10/1985 | US4540493 Process for treating wash water from the manufacture of terephthalic acid |
| 09/10/1985 | US4540052 Generation of microorganism control composition and use thereof |
| 08/27/1985 | US4537686 Cyanide removal from aqueous streams |
| 08/21/1985 | EP0152051A2 Process and system for producing sterile water and sterile aqueous solutions |
| 08/20/1985 | US4536293 Method of treating waste water |
| 08/20/1985 | US4536286 Mobile waste water and sludge treatment for hazardous and non-hazardous fluids |
| 08/14/1985 | EP0151120A1 Method for removing heavy metals from aqueous solutions by coprecipitation. |
| 08/07/1985 | EP0151097A1 A method for removing resin from a paper pulp process liquor |
| 08/07/1985 | EP0150626A2 Recovery of metal from waste water by chemical precipitation |
| 08/06/1985 | US4533451 Producing alkali and acid ionic water |
| 08/06/1985 | CA1191628A1 Mixing and reaction chamber for liquid decontamination |
| 07/24/1985 | EP0149501A2 A method of processing waste materials, particularly a sludge containing noxious metals |
| 07/23/1985 | US4530768 Method for the disposal of waste water containing iron-cyanide complexes |
| 07/17/1985 | EP0148264A1 Process and apparatus for handling waste from oil well operations |
| 07/10/1985 | EP0147795A1 Process for waste water purification |
| 07/09/1985 | CA1190174A1 Wastewater treatment method and system |
| 07/09/1985 | CA1190139A1 Method for mining and reclaiming land |
| 07/02/1985 | US4526687 Reserve pit waste treatment system |
| 07/02/1985 | US4526662 Processes for the recovery of cyanide from aqueous thiocyanate solutions and detoxication of aqueous thiocyanate solutions |
| 06/26/1985 | EP0145806A1 Environmentally safe process for disposing of toxic inorganic CN-containing sludge |
| 06/25/1985 | US4525284 Filtration through bark and fibers reused as fuel; pollution control |
| 06/25/1985 | US4525278 Irradiating water soluble organics to create larger water insoluble organics which are easily removed |
| 06/25/1985 | US4525277 Method for cleaning a septic tank |
| 06/19/1985 | EP0144952A2 Method for treating waste compositions containing copper and a copper complexing agent |
| 06/18/1985 | CA1188869A1 Process for treating cyanic liquid containing copper (i) cyanide complex ion |
| 06/11/1985 | US4522730 Stripping hydrogen sulfide scrubbing ammonia, converting syanide ions to thiocyanate ions |
| 06/06/1985 | WO1985002353A1 Recovery of organic acids, catalysts and water from terephthalic acid manufacture |
| 06/04/1985 | US4521321 Conveyor track lubricant composition employing phosphate esters and method of using same |
| 05/21/1985 | US4518503 Water purification method and device |
| 05/14/1985 | CA1187216A1 Reduction of metal content of treated effluents |
| 05/08/1985 | EP0140444A2 A process for removing of heavy metals from water in particular from waste water |
| 05/07/1985 | US4515696 Separation of residue after neutralization before precipitation |
| 05/02/1985 | EP0139622A1 A method for purifying aqueous solutions |
| 05/02/1985 | EP0139002A1 Mobile fluid purification unit. |
| 04/25/1985 | WO1985001670A1 Processes for treating waste streams |
| 04/23/1985 | US4512900 Method for treating waste compositions |
| 04/23/1985 | US4512811 Method and apparatus for cleaning containers |
| 04/09/1985 | CA1185382A1 Anionic and cationic removal of copper from cyanide- containing wastewater |
| 03/27/1985 | EP0135486A1 Method of controlling an anaerobic treatment process |
| 03/26/1985 | US4507208 Process for handling waste from oil well operations |
| 03/26/1985 | US4507206 Method for restoring and maintaining eutrophied natural bodies of waters |
| 03/26/1985 | CA1184372A1 Detoxification or decontamination of effluents and/or flue gases |
| 03/20/1985 | EP0134766A1 Method of treating peroxide-containing wastewater |
| 03/12/1985 | US4504394 Process for the treatment of organic fall-out products |
| 03/12/1985 | CA1183974A1 Treatment of industrial wastewaters |
| 03/05/1985 | US4503017 Precipitation of sulfides |
| 03/05/1985 | CA1183618A1 Method of clarifying proteinaceous waste water containing solid impurities |
| 03/05/1985 | CA1183617A1 Cyanide destruction process |
| 02/19/1985 | US4500324 Precipitation of nickel as nickel-dimethyl glyoxime comples |
| 02/12/1985 | US4499311 Water soluble resols and method for producing them |
| 02/05/1985 | CA1181958A1 Process for the storage of recyclable liquid wastes in underground salt caverns |
| 01/31/1985 | WO1985000354A1 Process and apparatus for handling waste from oil well operations |
| 01/29/1985 | CA1181875A1 Portable waste processing unit |
| 01/22/1985 | US4495031 Treatment of gas condensates |
| 01/08/1985 | US4492618 Method of disinfecting water, in particular swimming pool water |
| 01/03/1985 | WO1985000034A1 Water purification apparatus |
| 12/25/1984 | US4490257 Process for purification of waste waters accumulated from pulp production, particularly from chlorine bleaching of pulp |
| 12/19/1984 | EP0128782A1 Water purification apparatus |
| 12/18/1984 | CA1179792A1 Method for the reprocessing of condensate from urea production plants |
| 12/05/1984 | EP0127240A1 Method of processing waste, and waste dump with a membrane filtration unit |
| 11/27/1984 | US4485047 Copper and manganese oxidation catalysts recovery from aqueous solutions |
| 11/20/1984 | US4483772 Clarification, fictration |
| 11/13/1984 | US4482459 Continuous process for the reclamation of waste drilling fluids |
| 11/06/1984 | US4481114 Sludge dewatering system |
| 11/06/1984 | US4481112 Process of treating gas condensate |
| 11/06/1984 | US4481096 Pot-typed water purifier with electrolyzer |
| 10/25/1984 | WO1984004087A1 Mobile fluid purification unit |
| 10/23/1984 | US4478802 Method for cleaning cyanide-bearing gas scrubbing waters produced in metallurgical industry |
| 09/27/1984 | WO1984003692A1 Method for removing heavy metals from aqueous solutions by coprecipitation |
| 09/26/1984 | EP0119988A2 Process for dewatering sludges and/or organic matter |
| 09/26/1984 | EP0030559B1 Improved aqueous soap-based lubricant composition |
| 09/11/1984 | CA1174197A1 Distillation system |
| 09/05/1984 | EP0117529A2 Process for the purification of waste water originating from the production of cellulose, especially from bleaching with chlorine |
| 08/28/1984 | US4468463 Plant for treating manures |
| 08/14/1984 | US4465598 Oxidation, demetallization |
| 08/14/1984 | US4465597 Neutralizing, ph, dissolving, precipitation, thickening |
| 08/14/1984 | US4465596 Process for removing heavy metal ash from an aqueous soot suspension |
| 08/14/1984 | US4465593 Recovery of metal from waste water by chemical precipitation |
| 08/08/1984 | EP0114969A1 Process for reducing the aluminium content of alcaline solutions of an electrolyte of batteries having aluminium anodes |
| 08/01/1984 | EP0114364A1 Electrolytic water sterilization system |
| 07/31/1984 | US4462913 Demulsification and fat removal; demetallization by adding a calcium sulfide mixture to effect precipitation |
| 07/31/1984 | US4462911 Detoxification or decontamination of effluents and/or flue gases |
| 07/31/1984 | US4462713 Method for mining and reclaiming land |
| 07/25/1984 | EP0113830A1 Removal of residual acrylonitrile monomer |
| 07/24/1984 | US4461890 Method for the treatment of waste fluids from orange canneries and process for recovering pectic substance therefrom |