Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
05/2002
05/21/2002US6391183 Apparatus for producing ozone water and method of producing ozone water by using the same apparatus
05/21/2002US6391178 Electrodeionization system
05/21/2002US6391169 Production system of electrolyzed water
05/21/2002US6391167 Water chlorinator
05/21/2002US6391162 Using solar radiation for desalting with a heat collector and heat exchanger, water tanks and vacuum evaporation
05/21/2002US6391120 Accumulation of oil, dispensing coconut coir pith, absorption and removal
05/21/2002CA2213781C Method for the removal of metals from solution by means of activated silica
05/21/2002CA2200292C Antimicrobial filter cartridge
05/21/2002CA2037664C Monoclonal antibody against complexed and noncomplexed complexing agents for removing heavy metals from aqueous solutions and for analysis
05/16/2002WO2002038512A1 Wastewater treatment system and method using cavitating waterjets
05/16/2002WO2002038511A1 Method for treating water containing manganese
05/16/2002WO2002038507A1 Method and apparatus for maintaining the water in a swimming pool in a safe state
05/16/2002WO2002038506A2 Self-indicating neutralizing compositions
05/16/2002WO2002038505A1 Methods for negative atmospheric pressure removal of arsenic
05/16/2002WO2002038504A1 Apparatus and method for in situ burning of oil spills__________
05/16/2002WO2002038503A1 Centrifugal cartridge and method of capturing, concentrating and collecting microorganisms
05/16/2002WO2002038502A1 Device for irradiating liquids
05/16/2002WO2002038298A1 Method and system to remotely monitor groundwater treatment
05/16/2002WO2002038266A1 Apparatus and method for producing antimicrobial silver solution
05/16/2002WO2002038254A1 Method and apparatus for treatment of drinking water
05/16/2002WO2002038197A2 Devices that change size/shape via osmotic pressure
05/16/2002WO2002038191A2 Method of inactivating microorganisms in a fluid using ultraviolet radiation
05/16/2002WO2002010073B1 Method for floatation separation of a liquid, from particles suspended therein
05/16/2002WO2001093684A3 Treatment of circulating water systems
05/16/2002US20020059059 Auxiliary channel masking in an audio signal
05/16/2002US20020056689 Method of controlling microbial fouling and a control system therefor
05/16/2002US20020056688 Feeding stream into electrochemical cell wherein electricity passes through and coaggulates the stream, then passing the mixed liquid into flotation cell
05/16/2002US20020056687 Method of drinking water disinfection
05/16/2002US20020056682 Membrane which can be used in membrane filtration processes including microfiltration, ultrafiltration and reverse osmosis and which has reduced tendency to fouling
05/16/2002US20020056681 Centrifuging to concentrate silicone oil contaminated solids, then drying and forming a handleable, nondusty sludge cake
05/16/2002US20020056679 Liquid magnetic processing unit
05/16/2002US20020056674 Electrodes dissolve out, by electrolysis, iron or aluminum for precipitating and removing phosphorus and nitrogen; pollution control
05/16/2002US20020056673 Method for separating algae and other contaminants from a water stream
05/16/2002US20020056666 Magnet structures for treating liquids and gases
05/16/2002US20020056634 Capacitive electrostatic process for inhibiting the formation of biofilm deposits in membrane-separtion systems
05/16/2002DE10150271A1 Mobile drinking water disinfecting unit has reservoir for concentrate agent and dosing pump accurate in small quantities
05/16/2002DE10037018A1 Industrial, process, circulating and waste water clarification, giving water for industrial process in chemical, pulp and paper industries and sewage treatment, involves adding aluminum nitrate and biological removal of nitrate
05/16/2002DE10035317A1 Detector array used to magnetize liquid medium, is produced by forming stack of layers, radiation sensitive layer, and separation layer
05/16/2002CA2428304A1 Methods and apparatus for negative atmospheric pressure removal of arsenic and other metals
05/16/2002CA2396170A1 Self-indicating neutralizing compositions
05/15/2002EP1205444A1 Recovery and utilization of the sludges contained in waste waters from the ceramic industry
05/15/2002EP1205441A1 Device for magnetically modifying fluid
05/15/2002EP1204854A2 Process and apparatus for cleaning of waste water
05/15/2002EP1204607A1 Method and arrangement for purification of water
05/15/2002EP1204606A1 Pateurizing sludge to exceptional quality
05/15/2002EP1204604A1 Method and device for doping a liquid medium with a dopant
05/15/2002EP1204475A1 Immobilized photocatalyst
05/15/2002EP1204463A1 Improvements to chemical washing and, particularly to rinsing of separating membrane devices for solutions and suspension
05/15/2002EP1204460A1 Method and device for desalting water
05/15/2002EP1204446A1 Device for degasifying liquids
05/15/2002EP1204364A2 Household appliance using water, namely a washing machine, with improved device for softening the water
05/15/2002EP0685020B9 Method and system for remediation of groundwater contamination
05/15/2002CN2491817Y Multieffect distilled water machine evaporator leakage displaying device
05/15/2002CN2491443Y Ozone water appts.
05/15/2002CN2491442Y Ozone-biological active carbon water purifier
05/15/2002CN2491441Y Pipeline cleaning and anti-dirt energy saving device
05/15/2002CN2491440Y High frequency electric field activated water appts.
05/15/2002CN2491439Y Domestic silver solution maker
05/15/2002CN2491438Y Hollow fiber membeane water treatment system
05/15/2002CN2491437Y Electric and manually operated counter-permeating desalter
05/15/2002CN2491436Y Seawater desalter
05/15/2002CN2490957Y Health foot washing basin
05/15/2002CN1348926A Dye adsorbent and its application in treating dye effluent
05/15/2002CN1084776C Water-dilutable stone impact protection paint and compensation paint, their use and processes for their production
05/15/2002CN1084714C Ultraviolet trace ozone method for purifying drinking water
05/15/2002CN1084638C 过滤装置 Filtration device
05/15/2002CN1084590C Use of germicidal agent comprising isothiocyanic acid ester
05/14/2002US6387998 Aqueous solution; mannich reaction
05/14/2002US6387669 Methods for producing hydrogen (BI) sulfide and/or removing metals
05/14/2002US6387648 Method for adjusting and disinfecting liquids
05/14/2002US6387415 Sequestered metal biocides using ionic polymeric stabilizing agents
05/14/2002US6387280 Process for reducing the amount of nitrification-inhibiting sulfur compounds
05/14/2002US6387279 Method for removing nitrate ions from a solution
05/14/2002US6387278 Increasing subterranean mobilization of organic contaminants and petroleum by aqueous thermal oxidation
05/14/2002US6387276 Immobilization of inorganic arsenic species using iron
05/14/2002US6387275 Pretreatment system and method for recycling exhaust water
05/14/2002US6387274 Continuous processing; injecting coagulants; static ixing; filtration
05/14/2002US6387272 Process for utilizing liquid manure material
05/14/2002US6387271 Method for separating solid particulates from a liquid
05/14/2002US6387265 Controlling oxidation, reduction cycles
05/14/2002US6387260 Filtration device for liquid purification
05/14/2002US6387251 Apparatus for dosing powdered or granulated additives in water works, namely swimming pools
05/14/2002US6387241 Method of sterilization using ozone
05/14/2002US6387238 Electrolytic synthesis of peracetic acid
05/14/2002US6387226 Water circulating in closed conduit; degassing, corrosion resistance
05/14/2002US6386752 Coagulation reaction device
05/14/2002US6386751 Diffuser/emulsifier
05/14/2002CA2325942A1 Circulation treatment system and method for fountain solution
05/14/2002CA2271586C Modular home dialysis system
05/14/2002CA2023415C Process for purifying the effluent from urea production plants
05/10/2002WO2002036839A1 Method and installation of metal retrieving from used chroming solutions
05/10/2002WO2002036505A1 Apparatus and method for improving water quality of reservoir
05/10/2002WO2002036503A1 Multifunctional water-treating composition and method of water-treating using the same
05/10/2002WO2002036502A1 Waste treatment process
05/10/2002WO2002036501A1 Method for treating recirculating water from a paint installation and agents therefor
05/10/2002WO2002036500A2 Method and apparatus for treatment of water and wastewater
05/10/2002WO2002036499A2 Treatment of waste water and apparatus therefor
05/10/2002WO2002036497A1 Method of treating aqueous compositions
05/10/2002WO2002036492A1 Method for disposing of waste, produced in an aluminium anodisation plant
05/10/2002WO2002036252A1 Two-fluid mixing device