| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 03/20/1997 | CA2231737A1 Selective separation at supercritical water conditions |
| 03/19/1997 | EP0763502A2 Water and sludge treatment with humic matter |
| 03/19/1997 | EP0763501A1 Method for removal from adsorbable organic halogenated compounds from waste waters |
| 03/19/1997 | EP0762927A1 Single and multiple electrolytic cells and arrays of such cells for deionizing aqueous solutions |
| 03/19/1997 | EP0762918A1 Fluid extraction of metals and/or metalloids |
| 03/19/1997 | EP0739311A4 Liquid decontamination system using electrical discharge with gas injection |
| 03/19/1997 | EP0656871B1 Aqueous suspensions of colloidal particles, preparation and use of the suspensions |
| 03/19/1997 | EP0646279A4 Capacitive discharge control circuit for use with electrolytic fluid treatment systems. |
| 03/19/1997 | EP0646278A4 Fluid treatment system employing electrically reconfigurable electrode arrangement. |
| 03/19/1997 | EP0601159B1 Process for ultrafiltration of stabilized emulsions |
| 03/19/1997 | CN2249846Y Water making sensitive switch |
| 03/19/1997 | CN2249751Y Multifunctional bactericidal instrument for water supply |
| 03/19/1997 | CN2249750Y Bactericidal filtering water-purifier |
| 03/19/1997 | CN2249749Y Water treating apparatus for drinking |
| 03/19/1997 | CN2249748Y Dropping disk of water purifier |
| 03/19/1997 | CN1145612A Process for the treatment of wast water containing organic and inorganic compunds |
| 03/19/1997 | CN1145334A Iodine supplementing pure water |
| 03/19/1997 | CN1145333A Magnetized space water and its prodn. tech |
| 03/19/1997 | CN1034271C Processing method for preparing hydrogen with solar energy from biplasm and water and its equipment |
| 03/18/1997 | US5613239 Method and apparatus for decomposing organic solutions composed of chelating solutions and/or organic acids containing radioactive metal ions and collection method and apparatus using the same |
| 03/18/1997 | US5612522 Reaction of sodium silicate and aluminate solutions to form sodium aluminosilicate gel for zeolites and reaction with potassium carbonate or bicarbonate |
| 03/18/1997 | US5612383 Basic anionic exchange resins with sulfate groups prepared from poly(meth)acrylonitrile or poly(meth)acrylate with polyamines and containing sulfate ions |
| 03/18/1997 | US5611993 Ultrasonic method of treating a continuous flow of fluid |
| 03/18/1997 | US5611939 Methods for inhibiting the production of slime in aqueous systems |
| 03/18/1997 | US5611938 Biocidal blends of quaternary ammonium compounds and chlorine dioxide |
| 03/18/1997 | US5611937 Mixing water with a chlorine disinfectant and introducing mixture into a holding vessel maintained at ambient pressure |
| 03/18/1997 | US5611936 Trichloroethylene |
| 03/18/1997 | US5611934 Reduction, neutralization, flocculation |
| 03/18/1997 | US5611928 Process for treating waste water |
| 03/18/1997 | US5611921 Sewage dewatering process and equipment |
| 03/18/1997 | US5611920 Biocide treatment system and method |
| 03/18/1997 | US5611918 Electronic driver for water treatment system UV bulb |
| 03/18/1997 | US5611907 Electrolytic treatment device and method for using same |
| 03/18/1997 | US5611853 Deodorant, absorbent, adsorbent |
| 03/14/1997 | CA2185393A1 Process for eliminating adsorbable organic halogen compounds from wastewaters |
| 03/13/1997 | WO1997009276A1 Waste treatment and minimization system |
| 03/13/1997 | DE19621352A1 Treatment of rinsing water |
| 03/13/1997 | DE19541479C1 Processing and solidification of phosphoric acid-contg. solns. |
| 03/13/1997 | DE19532818A1 Cleaning unit for quartz protection tubes used with UV lamps |
| 03/13/1997 | DE19529109A1 Unit for varying effectiveness of effect induced by liq. |
| 03/12/1997 | EP0761610A2 Process and plant for the production of industrial water from waste water |
| 03/12/1997 | EP0761604A2 An agent for water treatment |
| 03/12/1997 | EP0761603A1 Method and apparatus for waste water treatment after polishing semiconductor wafers |
| 03/12/1997 | EP0761602A2 Process and installation for water treatment |
| 03/12/1997 | EP0761285A2 Process for purifying gases |
| 03/12/1997 | EP0761235A2 Sterilizing apparatus and method for medical instruments |
| 03/12/1997 | EP0761156A1 Dishwasher |
| 03/12/1997 | EP0760805A1 Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes |
| 03/12/1997 | EP0760804A1 Apparatus and method for separation of contaminants floating on the surface of a liquid |
| 03/12/1997 | EP0760718A1 Method and apparatus for the decontamination of products containing heavy metal |
| 03/12/1997 | EP0708981A4 Process and apparatus for the treatment of semiconductor wafers in a fluid |
| 03/12/1997 | EP0697984B1 Method for the sterile preservation of a liquid in a container |
| 03/12/1997 | EP0673276B1 Removal of impurities |
| 03/12/1997 | EP0639097B1 Distillation apparatus |
| 03/12/1997 | EP0563147B1 Effluent treatment |
| 03/12/1997 | CN2249238Y Super-large electronic water-treatment apparatus |
| 03/12/1997 | CN2249237Y Vibration generating instrument for water treatment |
| 03/12/1997 | CN2249236Y 一种水处理装置 A water treatment device |
| 03/12/1997 | CN2249235Y Water purifying device without changing core |
| 03/12/1997 | CN2249123Y Heating-filtering water purifying device |
| 03/12/1997 | CN2249121Y Hand-controlled simple water purifying device |
| 03/12/1997 | CN1144781A Harnessing method for papermaking waste water |
| 03/12/1997 | CN1144776A Apparatus and method for treatment of dye mill liquors |
| 03/12/1997 | CN1144775A Purification tank and bath water circulation filter device using the purification tank |
| 03/12/1997 | CN1144774A Pure-mineralized material for drinking water |
| 03/12/1997 | CN1144707A 血管磁化器 Vascular magnetizer |
| 03/11/1997 | US5610267 Process for preparing polysuccinimide by high temperature reaction |
| 03/11/1997 | US5609769 Water treatment methods |
| 03/11/1997 | US5609768 Process for separating and/or recovering hydrocarbon oils from water using biodegradable absorbent sponges |
| 03/11/1997 | US5609766 Process for treating bromide-containing water using ozone |
| 03/11/1997 | US5609759 Bottle filter cap |
| 03/11/1997 | US5609742 Electrolytic process and apparatus for the controlled reduction of inorganic and organic species in aqueous solutions |
| 03/11/1997 | US5609733 System and method for converting toxic washwater to distilled water |
| 03/11/1997 | US5609732 Distilling apparatus |
| 03/11/1997 | CA2053146C Process for the treatment of wash water from the gas washing system of an iron ore reduction plant |
| 03/06/1997 | WO1997008232A1 A process for reclaiming paint and a paint formulation |
| 03/06/1997 | WO1997008106A1 Soil and water remediation and enhancement process and apparatus therefor |
| 03/06/1997 | WO1997008103A1 Water treatment method and water treatment facilities |
| 03/06/1997 | WO1997008102A1 Process for inhibiting the settlement of post-veliger zebra mussels |
| 03/06/1997 | WO1997008101A1 Wastewater treatment by catalytic oxidation |
| 03/06/1997 | WO1997008100A1 Process for disinfecting aqueous solutions |
| 03/06/1997 | WO1997008099A1 Ultraviolet sterilizing system for wastewater |
| 03/06/1997 | WO1997007978A1 Treatment of solutions |
| 03/06/1997 | WO1997007883A1 Sorbents comprising sphagnum |
| 03/06/1997 | WO1997007882A1 High solids lime as a caustic replacement |
| 03/06/1997 | WO1997007831A1 Method and apparatus for killing microorganisms |
| 03/06/1997 | WO1997007830A1 Ultrasonic method of treating a continuous flow of liquid |
| 03/06/1997 | DE19533488A1 Agent for treating water comprises natural limestone, crystal quartz sand or natural zeolite |
| 03/06/1997 | DE19532476A1 Oil-contg. waste water treatment, esp. for separating oil-in-water emulsions |
| 03/06/1997 | DE19532357A1 Hot water magnetised pipe section incorporates central magnetic insert |
| 03/06/1997 | DE19527472C1 Fluid treatment with very high intensity UV-C radiation |
| 03/06/1997 | CA2230582A1 Process for inhibiting the settlement of post-veliger zebra mussels |
| 03/06/1997 | CA2230196A1 Sorbents comprising sphagnum |
| 03/06/1997 | CA2228630A1 Soil and water remediation and enhancement process and apparatus therefor |
| 03/05/1997 | EP0759891A1 Method and apparatus for water treatment |
| 03/05/1997 | EP0759890A1 Method and compositions for treating recirculating water systems |
| 03/05/1997 | EP0759889A1 Process for valorizing a liquid acid effluent containing heavy metals |
| 03/05/1997 | EP0759805A1 Polarity reversal and double reversal electrodeionization apparatus and method |
| 03/05/1997 | EP0613391B1 Immobilisation of metal contaminants from a liquid to a solid medium |
| 03/05/1997 | CN2248803Y Magnetization tap water valve |