| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 03/02/1993 | US5190728 Sampling, adding oxygen and analyzing for dissolved oxygen and recording for water analysis |
| 03/02/1993 | US5190683 Dithiocarbamates |
| 03/02/1993 | US5190670 Process and system for separating and condensing contaminants from a liquid |
| 03/02/1993 | US5190669 Synergistic ozone and hydrogen peroxide, bleaching |
| 03/02/1993 | US5190668 Stripping, oxidation catalyst on hydrophobic support |
| 03/02/1993 | US5190664 Preventing fouling caused by high temperature geothermal brines, adding sulfuric acid to brine |
| 03/02/1993 | US5190663 Process for purifying waste water streams by inclusion complexation of polynuclear aromatic hydrocarbons |
| 03/02/1993 | US5190659 Contamination removal system employing filtration and plural ultraviolet and chemical treatment steps and treatment mode controller |
| 03/02/1993 | US5190648 Elongated lift tube suspended in water tank for conveying water from and into reservoir and introducing air stream with ozone in bottom of lift tube to cause passage of water through filter into lift tube for purification, magnetic field |
| 03/02/1993 | US5190643 Water treatment device having means to count times used and limit useage |
| 03/02/1993 | US5190627 Process for removing dissolved oxygen from water and system therefor |
| 03/01/1993 | WO1993004770A2 Aerator for a liquid-filled basin |
| 03/01/1993 | CA2077164A1 A one drum activator catalyzed paint detackification program |
| 03/01/1993 | CA2075755A1 Water draining system for apparatus for producing ion-containing water by employing electrolyzing process |
| 03/01/1993 | CA2059828A1 Methods for the flocculation of coal fines and insoluble metals in coal mine waters |
| 02/25/1993 | DE4127975A1 Cleaning system for rinsing waste containers - treats different containers according to contents for subsequent reuse for identical waste |
| 02/24/1993 | EP0528516A1 Portable water filtration apparatus |
| 02/24/1993 | EP0528012A1 Vegetable support for the adsorption of contaminants in an aqueous medium |
| 02/24/1993 | EP0527984A1 Method for producing homogeneous, fine, pulverulent solids dispersions optionally containing active substances |
| 02/24/1993 | EP0527908A1 New formulations for iron oxides dissolution |
| 02/24/1993 | CN2127385Y Magnetic enlarging electronic scale processing instrument for cold and hot water |
| 02/24/1993 | CN2127384Y Two-in-one oily waste water recovery unit of heating furnace |
| 02/24/1993 | CN2127383Y Tower-like electrothermal pure water heater |
| 02/24/1993 | CN2127287Y Mineral water kettle |
| 02/24/1993 | CN2127281Y Magnetic cup |
| 02/24/1993 | CN2127279Y Multifunctional children's magnetic canteen |
| 02/24/1993 | CN1069247A Process for prodn. of mineralized and magnetized water |
| 02/23/1993 | US5188742 Apparatus and method for removing contaminants from water |
| 02/23/1993 | US5188741 Volume redcution, enhanced dewatering, viscosity reduction, and a reduction of pathogens and increased biological stability; pollution control |
| 02/23/1993 | US5188740 Process for producing pumpable fuel slurry of sewage sludge and low grade solid carbonaceous fuel |
| 02/23/1993 | US5188739 Disposal of sewage sludge |
| 02/23/1993 | US5188737 Method of removing nitrate ion from a solution containing nitrate and other anions |
| 02/23/1993 | US5188732 Ion exchange resin holder |
| 02/23/1993 | US5188729 Sludge collection apparatus for a water clarifier |
| 02/23/1993 | US5188727 Water filter unit |
| 02/23/1993 | US5188710 Continuous water distillation system |
| 02/23/1993 | CA2076429A1 Weakly basic anion exchangers, processes for their preparation by aminolysis and their use for removing sulphate ions from aqueous liquids |
| 02/20/1993 | CA2067628A1 Methods for inhibiting the production of acid in acid mine waters |
| 02/18/1993 | WO1993003223A1 Process for the treatment of water, especially for improving retention during the manufacture of paper or board |
| 02/18/1993 | WO1993002973A1 Anti-fouling agent for wet surfaces |
| 02/18/1993 | WO1993002969A1 High temperature wet oxidation using sintered separators |
| 02/18/1993 | WO1993002968A1 Dewatering of aqueous suspensions |
| 02/18/1993 | WO1993002967A1 Dewatering of aqueous suspensions |
| 02/18/1993 | WO1993002966A1 Dewatering of aqueous suspensions |
| 02/18/1993 | WO1993002965A1 Method of processing untreated drinking water contaminated with organic substances |
| 02/18/1993 | WO1993002964A1 Desalination plant, especially for use in marine and off-shore installations |
| 02/18/1993 | WO1993002791A1 Compositions and processes for removing, separating and concentrating desired ions from solutions |
| 02/18/1993 | WO1993002781A1 Portable water purification system |
| 02/18/1993 | DE4229960A1 Increasing clarification plant treatment capacity - by heating waste water feed using e.g. waste heat |
| 02/18/1993 | CA2114437A1 Dewatering of aqueous suspensions |
| 02/17/1993 | EP0527416A2 Process and device for disposing of an organic substance |
| 02/17/1993 | CN2127085Y Strong alternating magnetic field health water-heating device |
| 02/17/1993 | CN1069008A Method for treating heavy metal in waste water utilizing thiamine disulfide chelating agent |
| 02/17/1993 | CN1069007A Gyromagnetic cup and pot |
| 02/16/1993 | US5186916 Method for purifying flue-gasses |
| 02/16/1993 | US5186842 Method for removing low molecular weight contaminants |
| 02/16/1993 | US5186841 Cooling water ozonation system |
| 02/16/1993 | US5186831 Oil sorbent products and method of making same |
| 02/16/1993 | US5186830 Water filtration apparatus |
| 02/16/1993 | US5186817 Converting the hydrocarbon feed to a water in oil emulsion and solvent extracting |
| 02/16/1993 | CA1313683C Method for catalytic destruction of organic materials |
| 02/16/1993 | CA1313625C Cleaning of reverse osmosis apparatus and method therefor |
| 02/16/1993 | CA1313607C Calcium hypochlorite composition |
| 02/13/1993 | CA2075308A1 Pulp and paper mill wastewater color removal |
| 02/11/1993 | WO1993012878A1 Liquid sorbent |
| 02/11/1993 | DE4126265A1 Material for treating effluent from e.g. grinding-, polishing- and sanding machinery - contains an organic aluminium salt and a silicate deriv. adsorbent, removing impurity without releasing harmful anions from water |
| 02/11/1993 | DE4125990A1 Water purificn. contg. tenside for industrial water - by addn. of organic flocculant, inorganic precipitant, and removing coagulated solids, for soil purifin. or textile washing water dispersed solid particle sepn. |
| 02/10/1993 | EP0527096A2 Method of preparing insoluble hydrolysable tannin and method of treating waste liquid with the tannin |
| 02/10/1993 | EP0526997A1 Removal of dissolved chelates from aqueous solutions |
| 02/10/1993 | EP0526762A1 Washing method for workpiece, washing method for resin molded product and manufacturing method for resin molded product |
| 02/10/1993 | EP0464043B1 Use of non-hydrolysed copolymers containing n-vinyl formamide units as flocculation and dehydrating agents |
| 02/10/1993 | EP0365625B1 Ozone emitter device for existing water filtering installations of swimming pools |
| 02/10/1993 | CN2126850Y Mineralizing apparatus for drinking water |
| 02/10/1993 | CN2126811Y Board degasification column |
| 02/10/1993 | CN1068839A Paint detackifying and flocculating composition and process |
| 02/10/1993 | CN1068799A Method for treating and reusing industrial waste water |
| 02/10/1993 | CN1068754A Granular absorbents |
| 02/09/1993 | US5185415 Cationic vinylpyridine copolymers insoluble in water on surface of substrate; germicides; water, sewage treatment |
| 02/09/1993 | US5185393 Hydrophobic liquid with water soluble polymer and mixture of alkyl phosphate and compatible surfactant; rapidly inverted in water |
| 02/09/1993 | US5185087 Method of concentrating and deodorizing ruminant waste |
| 02/09/1993 | US5185083 Separation of solids from aqueous suspensions using modified amine functional polymers |
| 02/09/1993 | CA1313503C Full water treatment apparatus for use in soft drink dispensing system |
| 02/08/1993 | CA2074796A1 Method of preparing insoluble hydrolysable tannin and method of treating waste liquid with the tannin |
| 02/04/1993 | WO1993002391A1 Treatment of photographic effluent |
| 02/04/1993 | WO1993002147A1 Paint detackifying and flocculating composition and process |
| 02/04/1993 | WO1993001958A1 Method of and apparatus for washing a vehicle and separating resulting sludge from a washing liquid |
| 02/04/1993 | DE4225630A1 Modulare selbstreinigende oxidationskammer Modular self-cleaning oxidation chamber |
| 02/04/1993 | DE4225210A1 Ultra-pure water appts. - has vigorous gas mixture with water at feed to the reaction vessel with separate outlets for gas and water |
| 02/04/1993 | DE4215061A1 Sludge drying - using centrifuge for initial water extn. followed by feeding DC current through electrodes pressed against caked sludge for scraper extn. |
| 02/04/1993 | DE4125859A1 Simple, cheap water scale magnetic dispersion appts. - has two=part tubular housing with linked inner channel and ring outer channel |
| 02/04/1993 | DE4125665A1 Removing coloured components from water - by extn. with water immiscible prim. amine, esp. from textile, leather or paper dyeing, or from paper mfr. |
| 02/04/1993 | DE4125471A1 Exhaust gas cleaning in which solvent is sepd. from washing fluid - has separate stages to separate activated sludge and solvent from washing fluid at absorption tower |
| 02/04/1993 | DE4119869C1 Removal of ammonia and ammonium from drinking or waste water etc. - using zeolite rings of specified dimensions as filler etc. in reactor or column |
| 02/04/1993 | CA2110905A1 Paint detackifying and flocculating composition and process |
| 02/03/1993 | WO1993002790A1 Self-cleaning mechanism for oxidation chamber |
| 02/03/1993 | WO1993002789A1 Modular oxidation chamber |
| 02/03/1993 | EP0526339A1 Procedure for paint detackification of waterdilutable as well as organic solvent based paints |
| 02/03/1993 | EP0525835A2 Scale removal and prevention device |
| 02/03/1993 | EP0525596A1 Device for conveying, grinding and mixing of material to be conveyed with or without solid content |
| 02/03/1993 | EP0525505A1 Container for dewatering |