Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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03/14/1995 | US5397468 Water purifier cartridge coupling |
03/14/1995 | US5397461 Water treatment system |
03/11/1995 | CA2130152A1 Urea-formaldehyde resin composition and method of manufacture thereof |
03/10/1995 | CA2105827A1 Clarifying suspended solids from liquid process streams |
03/09/1995 | WO1995006620A1 An apparatus and process for recovering metal from an aqueous solution |
03/09/1995 | WO1995006619A1 Oxidizing enhancement electron beam process and apparatus for contaminant treatment |
03/09/1995 | WO1995006513A1 Electrodialysis process and device |
03/09/1995 | WO1995006507A1 Filtering device |
03/09/1995 | EP0653949A4 Process for removing toxicants from aqueous petroleum waste streams. |
03/09/1995 | DE4415563A1 Process for the recovery of water lacquer |
03/09/1995 | DE4330934A1 Composition and process for treating pollutant-enriched stagnant waters |
03/09/1995 | DE4330518A1 Apparatus and process for treating waters and wastewaters |
03/09/1995 | DE4329802A1 Process for desalting salt water and sterilisation using an electrodialyser |
03/09/1995 | DE4329595A1 Process and apparatus for recycling wash or treatment liquids |
03/09/1995 | DE4328242A1 Electrolysis body and process for treating waters and waste waters |
03/09/1995 | CA2170909A1 An apparatus and process for recovering metal from an aqueous solution |
03/08/1995 | EP0641855A1 Alcaline chlorite-based bleaching agent |
03/08/1995 | EP0641743A1 Treatment of pulp and paper wastewater with reducing agent and a polymer for color removal |
03/08/1995 | EP0641742A1 Method of producing pure water, system therefor and cleaning method |
03/08/1995 | EP0641584A2 Method of flocculating minerals in a liquid |
03/08/1995 | EP0641364A1 Salts of polyaspartic acid by high temperature reaction |
03/08/1995 | EP0641293A1 Dewatering of aqueous suspensions |
03/08/1995 | EP0641292A1 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
03/08/1995 | EP0641291A1 Lamellar apparatus and method for clarifying water |
03/08/1995 | EP0641252A1 Compositions and processes for removing, separating and concentrating desired ions from solutions |
03/08/1995 | EP0641240A1 Ecological water-treatment device |
03/08/1995 | EP0600909A4 Desensitization process for energetic compositions with regeneration of reagents. |
03/08/1995 | CN2191326Y Health cut-off-self-closing valve |
03/08/1995 | CN2191211Y Water purifier for mineralizing water and adding iodine |
03/08/1995 | CN2191210Y Refrigerating temp.-regulating type machine for making mineral water |
03/08/1995 | CN2191209Y Fluorine removing apparatus for drinking water |
03/08/1995 | CN2191208Y 流体磁化器 Fluid magnetizer |
03/08/1995 | CN2191207Y Radial-flow pot for separating oil from water |
03/08/1995 | CN2190941Y Quick-cooling magnetizing water bottle |
03/08/1995 | CN2190926Y Multifunctional magnetizing mineral cup |
03/08/1995 | CN1099731A Zeolite changing water sand processing method |
03/08/1995 | CN1099730A Sleeve type concret waste water coacervation treating device |
03/08/1995 | CN1099729A Process for brine disposal |
03/08/1995 | CN1099728A Impurity removing method from perferrite solution |
03/08/1995 | CN1099725A Dewatering method for producing flocculate |
03/08/1995 | CN1099720A Preparing method for zinc polysilicate flocculate agent and use |
03/07/1995 | US5395896 Metal scavengers and processes for the production thereof |
03/07/1995 | US5395625 Fluid treatment tablet |
03/07/1995 | US5395585 Method for controlling odor |
03/07/1995 | US5395536 Wastewater organic acid removal process |
03/07/1995 | US5395535 Removal of hazardous chemical substances floating on water |
03/07/1995 | US5395534 Water filtration medium and method of use |
03/07/1995 | US5395533 Adhesion to mineral fiber absorbent; descaling, regenerating, recovering, concentrating |
03/07/1995 | US5395532 Mixing hydrolyzable alkoxy compound containing silicon with solubilized metal to form metal silicate particles, precipitating particles from organic phase, drying and sintering precipitate |
03/07/1995 | US5395530 Adding biocide and enzyme |
03/07/1995 | US5395522 Apparatus for removal of organic material from water |
03/07/1995 | US5395517 Process and apparatus for oxidizing industrial spent caustic and effecting gas-liquid mass transfer and separation |
03/07/1995 | US5395492 Anodic oxidation |
03/07/1995 | US5394706 Freeze crystallization for the removal of water from a solution of dissolved solids |
03/07/1995 | CA1334658C Method and apparatus for electrolytic treatment of sludge |
03/02/1995 | WO1995006074A1 Water-soluble copolymerizates containing carboxyl groups, methods of producing said copolymerizates, and use thereof as scale inhibitors |
03/02/1995 | WO1995006009A1 Device for purifying waste water or ground water and use thereof |
03/02/1995 | WO1995006008A1 Control of bromination of drinking water |
03/02/1995 | WO1995006007A1 Device for the treatment of a liquid, in particular water, with a magnetic field |
03/02/1995 | WO1995006006A1 Electrolytic solid metal hydroxide preparation and water purification method and device |
03/02/1995 | WO1995006005A1 Method for recovering at least one metal from an acidified waste water sludge |
03/02/1995 | WO1995006004A1 Treatment method for waste water sludge comprising at least one metal |
03/02/1995 | DE4430371A1 Water-treatment ceramic and process for its production |
03/02/1995 | CA2170372A1 Device for purifying waste water or ground water, and its use |
03/02/1995 | CA2131240A1 Treatment of pulp and paper wastewater with reducing agent and a polymer for color removal |
03/01/1995 | EP0640698A1 Apparatus and method for purifying bath liquids |
03/01/1995 | EP0640568A1 Improved process for waste water treatment by removal of sodium sulfate |
03/01/1995 | EP0640371A1 Bottle filter and pouring device |
03/01/1995 | EP0640000A1 Improved fluid distillation apparatus and method |
03/01/1995 | EP0442909B1 Improved apparatus and method for treatment and disposal of infectious waste |
03/01/1995 | CN2190655Y Portable drinking water health device |
03/01/1995 | CN2190654Y Purifying and sterilizing cup |
03/01/1995 | CN2190653Y Mounting apparatus for chloration machine structure |
03/01/1995 | CN2190652Y Water magnetizer |
03/01/1995 | CN2190651Y Household water magnetizing device |
03/01/1995 | CN2190650Y Household water treatment device |
03/01/1995 | CN2190649Y Circulation water treating device |
03/01/1995 | CN2190474Y Mineralizing and magnetizing device for common thermos bottle |
03/01/1995 | CN2190473Y Magnetising insulation container |
03/01/1995 | CN1099310A Improved method of purifying kelp-soaking liquid |
03/01/1995 | CN1099268A Process for production of amino acid oral liquid |
03/01/1995 | CA2131224A1 Treating water for dermatoses in domestic animals |
03/01/1995 | CA2131125A1 Process for waste water treatment by removal of sodium sulfate |
02/28/1995 | US5393781 Direct contact with peracetic acid or indirect application to environment |
02/28/1995 | US5393724 Process for removing oxidizable substance or reducible substance, composite containing metal oxide or hydroxide, and process for production thereof |
02/28/1995 | US5393548 Method of making coffee using water filtration device |
02/28/1995 | US5393436 Method of water treatment using polyacrylamide-phosphonate flocculants |
02/28/1995 | US5393435 Adding flocculating composition comprising chitosan, soluble ferric compound, polysilicic acid and/or polyaluminosilicate clay |
02/28/1995 | US5393433 Method using separation membranes to treat a fluid containing matter in suspension and in solution |
02/28/1995 | US5393428 Process for treating waste water containing chlorinated organic compounds from production of epichlorohydrin |
02/28/1995 | US5393427 Process for the biological treatment of wastewater |
02/28/1995 | US5393421 Apparatus for activating silicic acid in water |
02/28/1995 | US5393419 Ultraviolet lamp assembly for water purification |
02/28/1995 | US5393417 Water remediation and purification system and method |
02/23/1995 | WO1995005347A1 Method and installation for treating the liquid fraction from manure |
02/23/1995 | WO1995005346A1 Process for purifying contaminated liquids utilizing ozone |
02/23/1995 | WO1995005345A1 Method and apparatus for treating liquids |
02/23/1995 | WO1995005344A1 Process for treating latex-containing waste water |
02/23/1995 | WO1995005340A1 Method and apparatus for ozone generation and treatment of water |
02/23/1995 | WO1995005237A1 Water treatment system |