| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/17/2002 | WO2002004114A2 Electromagnetic wave assisted chemical processing |
| 01/17/2002 | WO2002004100A1 Multi-stage filtration and softening module and reduced scaling operation |
| 01/17/2002 | WO2001055033B1 Water and wastewater treatment system and process for contaminant removal |
| 01/17/2002 | WO2001043783A3 Liquid energizing coaster |
| 01/17/2002 | WO2001037995A3 Immobilized ion exchange materials and processes for making the same |
| 01/17/2002 | WO2001032560A3 Filtration device for liquids |
| 01/17/2002 | WO2001030997A3 Microbe, microbial exopolysaccharide, and uses thereof |
| 01/17/2002 | WO2001030996A3 Microbial exopolysaccharide and uses thereof |
| 01/17/2002 | US20020006969 System and method for converting light hydrocarbons into heavier hydrocarbons and for treating contaminated water |
| 01/17/2002 | US20020006867 Powerful reductant for decontamination of groundwater and surface streams |
| 01/17/2002 | US20020006769 Method of fabricating a semiconductor device |
| 01/17/2002 | US20020006643 Screening sample for target nucleotide sequences; hybridize primer, incubate with enzyme, dissociate hybridization complex, detect electron transfer between electrode transfer particle |
| 01/17/2002 | US20020006372 Removal hydrogen chloride from flue gas |
| 01/17/2002 | US20020005439 Configured nozzle system for marine application of chemical dispersant on oil spills |
| 01/17/2002 | US20020005388 Method and apparatus for treating fluids |
| 01/17/2002 | US20020005386 Water based oil dispersant |
| 01/17/2002 | US20020005385 Water treatment systems and methods |
| 01/17/2002 | US20020005384 Monitoring variations in electrical potentials |
| 01/17/2002 | US20020005382 Phosphates removal from water |
| 01/17/2002 | US20020005377 Filter cartridge for gravity-fed water treatment devices |
| 01/17/2002 | US20020005361 Electrolyzer |
| 01/17/2002 | US20020005346 Method and apparatus for extracting hydrocarbons from tar sands using electro plasma |
| 01/17/2002 | DE19929213C2 Verfahren und Vorrichtung zum Destillieren eines flüssigen Stoffs aus einer Lösung Method and apparatus for distilling a liquid substance from a solution |
| 01/17/2002 | DE10033422A1 Treatment of groundwater containing iron and manganese precipitates solids and extracts them from casing of groundwater recirculation well |
| 01/17/2002 | DE10032783A1 Water filter especially suitable for swimming baths, includes built-in, conical, sand filter tray and recirculatory back flushing system |
| 01/17/2002 | DE10032645A1 Cleaning device for cleaning cylindrical bodies, preferably quartz tubes in UV disinfection systems for disinfecting waste water, comprises cleaning rings which are moved axially backward |
| 01/17/2002 | DE10032442A1 Reverse osmosis unit supplying dialysis stations with high purity water automatically corrects excessive pressure differential between ends of ring main |
| 01/17/2002 | DE10030340A1 Vorrichtung zum Behandeln von Wasser Apparatus for treating water |
| 01/17/2002 | DE10029178A1 Water preparation takes the form of an open top channel provided with a transparent arched lid resting on the channel edge which also supports a water tray |
| 01/17/2002 | CA2413018A1 Process for the debromination of an aqueous salt solution using ozone |
| 01/17/2002 | CA2383962A1 Multi-stage filtration and softening module and reduced scaling operation |
| 01/17/2002 | CA2382357A1 Method for dewatering municipal waste-activated sludge using high electrical voltage |
| 01/17/2002 | CA2314066A1 A process to solidfy and remove spilled oil on land and water |
| 01/16/2002 | EP1172337A2 Treatment of water containing organic wastes with ammonium nitrate |
| 01/16/2002 | EP1172336A2 Treatment of water containing organic wastes with ammonium nitrate |
| 01/16/2002 | EP1172335A1 Process for cleaning candle filters and membrane systems |
| 01/16/2002 | EP1172237A2 System and method for converting and communicating operational characteristics of tires |
| 01/16/2002 | EP1172236A2 System for detecting and communicating operational characteristics of tires telecommunicationally and a method therefor |
| 01/16/2002 | EP1172145A2 Electrodeionization apparatus and method of operating the same |
| 01/16/2002 | EP1172144A2 Sulphonation process |
| 01/16/2002 | EP1171649A1 Stabilized bromine solutions, method of manufacture and uses thereof for biofouling control |
| 01/16/2002 | EP1171389A1 Composition and method for simultaneously precipitating metal ions from semiconductor wastewater and enhancing microfilter operation |
| 01/16/2002 | EP1171388A1 Method for electrochemical treatment of effluents, especially effluents from leather tanneries, comprising chromium salts |
| 01/16/2002 | EP1171380A1 Radical generating system |
| 01/16/2002 | EP1171234A1 A novel agropolymer used for purification of polluted water or contaminated water containing metal or ions and a method of producing the agropolymer |
| 01/16/2002 | EP1098853B1 Method and device for capacitative demineralization of fluids containing ions |
| 01/16/2002 | EP1042503A4 Method of detecting mutant dna by mipc and pcr |
| 01/16/2002 | EP0869834B1 Contaminant recovery system and method |
| 01/16/2002 | EP0863794B1 Process and plant for introducing a gas into a liquid |
| 01/16/2002 | EP0779830B1 Sieve system for an ion exchange column |
| 01/16/2002 | CN2471833Y Environment protecting water saving toilet |
| 01/16/2002 | CN2471770Y Depositing pool with declined pipelines for treating sewage |
| 01/16/2002 | CN2471769Y Automatic sewage sterilizer |
| 01/16/2002 | CN2471768Y Cationic layer mixing bed with variable procedure |
| 01/16/2002 | CN1331659A Process and compsn. for water recycle |
| 01/16/2002 | CN1331658A Method for reducing metal ion concentration in brain solution |
| 01/16/2002 | CN1331557A Pervaporation device and irrigation mat |
| 01/16/2002 | CN1331051A Corrosion-retarding compound scaling inhibitor for treating middle- or high-hardness circulating water |
| 01/16/2002 | CN1331050A Corrosion-retarding compound scaling inhibitor for treating circulating low-hardness water |
| 01/16/2002 | CN1330977A Method for treating waste liquid |
| 01/16/2002 | CN1077866C Water treatment method and appts. |
| 01/16/2002 | CN1077803C 流体萃取 Fluid Extraction |
| 01/15/2002 | US6338803 Containg also nitric acid and dissolved silica, adjusting the ph of said waste water to about 7 or above; passing waste water through reverse osmosis membrane |
| 01/15/2002 | US6338800 Methods and compositions using lanthanum for removing phosphates from water |
| 01/15/2002 | US6338799 Water treatment system at a sewage treatment plant in an anaerobic condition to release polyphosphate, substantially spherical calcium silicate hydrate as a seed crystal material |
| 01/15/2002 | US6338795 Purifying system |
| 01/15/2002 | US6338789 Electro-physical water treatment apparatus |
| 01/15/2002 | US6338784 Apparatus for producing deionized water |
| 01/15/2002 | CA2270519C Method and apparatus for purification of potable water |
| 01/15/2002 | CA2242030C Alginate gel based adsorbents for heavy metal removal |
| 01/15/2002 | CA2233363C Methods and compositions for controlling biofouling using amides |
| 01/15/2002 | CA2162135C N-dodecyl heterocyclic compounds useful as industrial microbicides and preservatives |
| 01/15/2002 | CA2106089C Catalysed hypochlorite decomposition process |
| 01/10/2002 | WO2002002662A1 Structurally-modified polymer flocculants |
| 01/10/2002 | WO2002002466A1 Method and device for treating pumpable media contaminated with harmful substances |
| 01/10/2002 | WO2002002465A1 Device for determining the calcite equilibrium in water |
| 01/10/2002 | WO2002002464A2 Chemical extraction process |
| 01/10/2002 | WO2002002463A1 Methods of utilising solar energy |
| 01/10/2002 | WO2002002379A1 Washing and recycling unit and method for on-site washing of heavy machinery |
| 01/10/2002 | WO2002002232A1 Carboxylate-containing photocatalytic body, manufacture and use thereof |
| 01/10/2002 | WO2002002214A1 Filter or filter-element for modified electro-dialysis (med) purposes |
| 01/10/2002 | WO2002002212A1 Method and apparatus for treatment of waste water from cationic electrodeposition coating process |
| 01/10/2002 | WO2002002202A2 Rotating fluid evaporator and condenser |
| 01/10/2002 | WO2002002153A1 Inactivation of pathogens by porphyrins |
| 01/10/2002 | WO2001051420A3 Chemical dispenser |
| 01/10/2002 | WO2001038226A3 Method and device for the treatment of fluids |
| 01/10/2002 | WO2001025156A8 Cationic polymers for sludge dewatering |
| 01/10/2002 | US20020003116 The combination of the iron salt and peroxide in the selected pH range oxidizes the arsenic in the +3 oxidation state to the 5+ oxidation state |
| 01/10/2002 | US20020003115 Method and apparatus for separating hydrocarbons from mineral substrates |
| 01/10/2002 | US20020003114 Partially halogenated hydantoins in papermaking applications |
| 01/10/2002 | US20020003112 Wastewater including one or more heavy metal contaminants, adjusting to the pH 7 or greater to precipitate oxides and hydroxide of heavy metals, remaining soluble heavy metal are removed by using a polymeric metal removing agent |
| 01/10/2002 | US20020003111 Hydrate desalination or water purification |
| 01/10/2002 | US20020003110 Fibrous system for continuiusly capturing metals from an aqueous stream |
| 01/10/2002 | US20020003108 Process and installation for the treatment of effluents loaded with organic matter |
| 01/10/2002 | US20020002985 Such as forestry tractors, includes extender under machinery to collect dirty water and suction hose, filters for recycling it; also hoist for operator with safety rails; conservation, pollution control of contaminated water |
| 01/10/2002 | US20020002983 Oxidizing agent and a neutral reagent comprising a metal catalyst to promote and control converting contaminants to non-contaminating or harmless compounds |
| 01/10/2002 | DE10120608A1 Process for filtering liquid comprises recycling filtrate into feed tank which is emptied when concentration reaches value suitable for further filtration, with short concentration phases in which filtrate is fed into collecting tank |
| 01/10/2002 | DE10033162C1 Verfahren zur in situ Reinigung schadstoffbelasteter Wässer durch geochemische Barrieren aus reaktiven Materialien A method for in situ cleaning of polluted waters by geochemical barriers of reactive materials |
| 01/10/2002 | DE10031566A1 Verfahren zur Abtrennung von Arsenverbindungen aus Fluorwasserstoff A process for separating arsenic from hydrogen fluoride |
| 01/10/2002 | DE10031210A1 Portable liquid-receptacle has permanent magnet in outer wall near spout. |