| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 10/13/1993 | CN2143427Y Multifunction health cup |
| 10/13/1993 | CN1077179A Alkaline straw pulp paper black liquid and middle section treatment of sewage technology thereof |
| 10/13/1993 | CN1077178A Water processing device and system capable of producing life information signal |
| 10/13/1993 | CN1077145A Apparatus for activating silicic acid in water |
| 10/13/1993 | CN1022423C Disposal method of tallings water contained Cn for a chlorinated gold extracting shop |
| 10/12/1993 | US5252635 Polymer activation method using two separate mixing zones |
| 10/12/1993 | US5252330 Method of controling zebra mussels with extract of Phytolacca dodecandra |
| 10/12/1993 | US5252300 In a water recirculation system; ozonating and adjustment of level of calcium bicarbonate |
| 10/12/1993 | US5252224 Supercritical water oxidation process of organics with inorganics |
| 10/12/1993 | US5252223 Reduction of copper discharge to waste streams contaminated with isothiazolone biocides |
| 10/12/1993 | US5252215 Adsorbent materials and use thereof |
| 10/12/1993 | US5252206 Filtration cartridge |
| 10/12/1993 | US5252202 Muddy and waste water treatment device and method |
| 10/12/1993 | US5252003 Attenuation of arsenic leaching from particulate material |
| 10/12/1993 | US5251656 Multiple chemical feeder for swimming pools |
| 10/12/1993 | CA1323116C Foam flotation process and apparatus for separation of emulsions or suspensions |
| 10/12/1993 | CA1322986C Distillation apparatus and method |
| 10/12/1993 | CA1322985C Method of and apparatus for treating photographic process waste liquor through concentration by evaporation |
| 10/12/1993 | CA1322965C Filter pad with pocket and method of using the same |
| 10/11/1993 | EP0575359A4 Purification of waste streams. |
| 10/10/1993 | CA2093765A1 Process for the biological treatment of wastewater |
| 10/07/1993 | DE4244659A1 Water cleaning and vitalising to increase oxygen@ content - using multistage rotary pump with reaction chamber in housing of each stage contg. solid crystal |
| 10/07/1993 | DE4244658A1 Water-cleaner and vitaliser - has fixed crystal body within outlet of water fitting before outlet sieve |
| 10/07/1993 | DE4220850C1 Motor exhaust gas cleaning - has washer to separate solids with evaporator to condense water and dry particles for collection |
| 10/07/1993 | DE4210950A1 Electrochemical process to remove mercury and heavy metals from soil, etc. |
| 10/07/1993 | DE4210949A1 On=site process for cleaning and restoration of contaminated ground - using coincident applied electric and sound wave fields in conjunction with an oxidising agent inserted in the affected ground |
| 10/07/1993 | DE4210509A1 Fluid and gas disinfection appts. - has UV radiator aligned at a target point with given effective intensity |
| 10/07/1993 | DE4210413A1 Membrane filter for sepn. of poly-dispersions into continuous and dispersed phases - is a bonded powder mass on a carrier support grid providing high mechanical strength etc., useful for sepg. fluids contg. particle or oil matter |
| 10/07/1993 | DE4206887A1 Water softening treatment - using coil which is hinged to allow placement around water pipe and connected to voltage source to produce magnetic field |
| 10/06/1993 | EP0564386A1 Process and installation for sludge treatment by combined chemical and biological oxidation |
| 10/06/1993 | EP0564298A1 Method for treating organic sludge |
| 10/06/1993 | EP0564124A1 Treatment of fresh water for zebra mussel infestation |
| 10/06/1993 | EP0564107A1 Method and apparatus for producing ozone |
| 10/06/1993 | EP0564074A1 Treatment of sewage sludge |
| 10/06/1993 | EP0563926A1 Water treatment process with ozone |
| 10/06/1993 | EP0563669A1 A method of treatment of a fluid containing volatile organic halogenated compounds |
| 10/06/1993 | EP0563646A1 Cross-flow filtration device with submerged circulation pump |
| 10/06/1993 | EP0563628A1 Process and device for treating water effluents by vacuum distillation with indirect heat recuperation |
| 10/06/1993 | EP0563434A1 Digester including sludge recirculator with gas supplement |
| 10/06/1993 | EP0563321A1 Electrodeionization apparatus. |
| 10/06/1993 | EP0563147A1 Effluent treatment. |
| 10/06/1993 | EP0563097A1 Processing waste solidification. |
| 10/06/1993 | EP0563056A1 Water disinfection method and compositions therefor |
| 10/06/1993 | EP0507939B1 Method of treating aqueous liquids to decompose halogenated organic compounds using a combination of light energy and ultrasonic energy in the presence of a photocatalyst |
| 10/06/1993 | CN2143224Y Domestic super-magnizing apparatus |
| 10/06/1993 | CN2143223Y Water purifier |
| 10/06/1993 | CN2143222Y Multifunctional water tank for health care |
| 10/06/1993 | CN2143221Y Water purifying and polarizing apparatus |
| 10/06/1993 | CN2143132Y Drink water filter |
| 10/06/1993 | CN1076916A Synergistic catalyst for regeneration maintenance of hard water softening apparatus |
| 10/06/1993 | CN1076915A Method and unit for treatment of waste water difficult to oxidize by biological way |
| 10/06/1993 | CN1076874A High efficiency dust remover by magnetization adsorption |
| 10/06/1993 | CN1076841A Technique for production of magnetized soda water |
| 10/05/1993 | US5250201 Enhanced oil recovery using bioemulsifiers from cyanobacteria cultures |
| 10/05/1993 | US5250194 N-dodecyl heterocyclic compounds useful as industrial microbicides and preservatives |
| 10/05/1993 | US5250190 On-line blending method for activator catalyzed paint detackification program |
| 10/05/1993 | US5250189 Adding aluminum salt then flocculant to alkaline circulating water from spray booth, removal of sludge |
| 10/05/1993 | US5250188 Process of removing and concentrating desired molecules from solutions |
| 10/05/1993 | US5250187 Resin bed for liquid treatment |
| 10/05/1993 | US5250185 Water softening to remove divalent cations, raising pH, passing through crosslinked, interfacially polymerized, aromatic polyamide membrane |
| 10/05/1993 | US5250184 Supported, continuos inorganic membrane, filtraiton |
| 10/05/1993 | US5250183 Degassing, evaporation of carbon dioxide, then reverse osmosis for removal of scale forming ions |
| 10/05/1993 | US5250178 Buoyant ceiling wiper for stacked tank clarifier |
| 10/05/1993 | US5250177 Water purifier with an ozone generating device |
| 10/05/1993 | US5250161 Placing nitro-, nitramine- or nitrato-group-bearing compounds in electrolytic cell; decomposing binder by oxidation at anode; reducing energetic compounds at cathode |
| 10/05/1993 | CA1322795C Process for extracting organic composites and solutions and aqueous suspensions thereof |
| 10/05/1993 | CA1322649C Recovery of fluoride values from waste materials |
| 10/02/1993 | CA2086645A1 Treatment of sewage sludge |
| 10/01/1993 | CA2092376A1 Treating materials with ozone |
| 10/01/1993 | CA2091928A1 Treatment of fresh water for zebra mussel infestations |
| 10/01/1993 | CA2075349A1 Digester including sludge recirculator with gas supplement |
| 09/30/1993 | WO1993019367A2 Particle aggregation method and apparatus |
| 09/30/1993 | WO1993019320A1 Water conserving wastewater disposal system |
| 09/30/1993 | WO1993019013A1 Apparatus for activation of a digesting agent |
| 09/30/1993 | WO1993019011A1 A method of treating liquid effluents containing organic compounds |
| 09/30/1993 | WO1993019009A1 Method and apparatus for purifying waste water |
| 09/30/1993 | WO1993018854A1 Electrolytic cell for generating sterilization solutions having increased ozone content |
| 09/30/1993 | WO1993018837A1 Water purification system |
| 09/30/1993 | WO1993013019A3 Water-treatment and conditioning apparatus and method |
| 09/30/1993 | DE4308310A1 Exhaust gas scrubber with heat recovery and plastic construction - performs water spray scrubbing in first and third stages, and passes exhaust gas through adsorption material while heat is removed by cooling coils in second stage |
| 09/30/1993 | DE4209574A1 Contaminated lignin sludge disposal - uses ozone and filtering of sorted material and dry distn. to give landscaping material |
| 09/30/1993 | DE4142353C1 Ground water gas stripping - has further injector tubes between feed and mantle tubes for a further stripping zone for heavily soiled water |
| 09/30/1993 | CA2131698A1 Water conserving wastewater disposal system |
| 09/30/1993 | CA2130276A1 Particle aggregation method and apparatus |
| 09/29/1993 | EP0563027A2 Water treatment apparatus |
| 09/29/1993 | EP0562739A1 Control of slime formation in industrial process waters |
| 09/29/1993 | EP0562321A1 Oil separator with integrated micro-filtration device |
| 09/29/1993 | EP0561998A1 The removal of heavy metals, especially lead, from aqueous systems containing competing ions utilizing amorphous tin and titanium silicates |
| 09/29/1993 | EP0561887A1 Improved waste water treatment. |
| 09/29/1993 | EP0386186B1 Rapidly mounted magnetic device for treating water |
| 09/29/1993 | CN2142838Y Portable integrated mineral pot |
| 09/29/1993 | CN2142837Y Inclosed-type sleeve-type inner magnetizer |
| 09/29/1993 | CN2142836Y Magnetizer for fluid |
| 09/29/1993 | CN2142835Y Reinforced disinfecting and scale-proofing infiltration promtor for film-type water treating |
| 09/29/1993 | CN2142834Y Double-flow ion-exchanger of regenerating on back flow |
| 09/29/1993 | CN1076737A Process for removing colored components from solvent for polyacrylonitrile |
| 09/29/1993 | CN1076669A Magnetically saturated distilled water |
| 09/29/1993 | CN1022218C Equipment for processing mineral liquid |
| 09/28/1993 | US5248441 Process for the recovery of copper from copper-containing industrial waste waters |
| 09/28/1993 | US5248440 Polynucleate hydroxy silicate-sulfate compound |