Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 1 - Treatment of water, waste water, or sewage
Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
11/2002
11/26/2002US6485647 Method and apparatus for treating leach fields
11/26/2002US6485644 Liquid dispenser with closed gravity filter and air breathing system
11/26/2002US6485641 Water filter cartridge having a proportional flow feeder
11/26/2002US6485629 Process for separation of heavy metals from residues by use of ethylene-diamine-disuccinic acid (edds) complexant
11/26/2002US6485624 Method and device for capacitative demineralization of liquids which contain ions
11/26/2002US6485228 Method and device for recovering liquid substance
11/26/2002US6484439 Irrigation device
11/26/2002CA2099496C Process of preparing sulfate-containing basic solutions of polyaluminumchloride
11/21/2002WO2002093587A1 Method for regulating metal ion concentration by reversible activated carbon electroabsorption, cylindrical cartridge for trapping metal ions and use thereof in a nuclear plant
11/21/2002WO2002092803A1 Phosphotriesterase from agrobacterium radiobacter p230
11/21/2002WO2002092701A1 Fine particle size lime slurries and their production
11/21/2002WO2002092520A1 Sludge concentrating method and device
11/21/2002WO2002092519A1 Method of separating suspension, in particular for waste water treatment, and an apparatus for performing the same
11/21/2002WO2002092517A1 Method of removing phosphorus from sludge
11/21/2002WO2002092515A2 Method and apparatus for treating wastewater
11/21/2002WO2002092514A2 Drinking water uv disinfection system and method
11/21/2002WO2002091986A2 Powered sterile solution device
11/21/2002WO2002064507A8 Dental mercury abatement system
11/21/2002WO2002062706A3 High output ozonating apparatus
11/21/2002WO2002004358A8 System and method for removal of arsenic from aqueous solutions
11/21/2002WO2001085644A1 Granular ceramic material with high porosity
11/21/2002WO2001019737A9 A method and system for controlling biofilm
11/21/2002US20020173418 Porous grog composition, water purification device containing the porous grog and method for making same
11/21/2002US20020172773 Rinse aid surface coating compositions for modifying dishware surfaces
11/21/2002US20020172720 Contacting biofilm with an aqueous medium or water into which has been introduced a microbiocidally effective amount of bromine-based microbiocides
11/21/2002US20020172637 For use in water treatment
11/21/2002US20020172627 To decompose harmful substances in exhaust gas or in waste water at high decomposition ratio and to turn them into harmless substances
11/21/2002US20020172616 Method for eliminating legionella from a colonised aqueous flow by electropulsing, a method for treating an aqueous flow by electropulsing, and its application to eliminating legionella
11/21/2002US20020171043 Device for the degermination of a fluid by means of ultraviolet rays
11/21/2002US20020170863 Carbon dioxide recycle for immersed membrane
11/21/2002US20020170858 From water with a relatively low oxygen content and having naturally occurring chemoautotrophic bacteria, and at least one of ferrous iron and sulfide
11/21/2002US20020170853 Chlorination apparatus and method
11/21/2002US20020170830 Water treating method, water treating apparatus, and hydrophonic system using the same
11/21/2002US20020170817 Corona generator, reactor and method
11/21/2002US20020170816 Disinfected by admixture of a highly reactive gas stream containing ions of oxygen and nitrogen, formed by exposure of air to short wavelength ultraviolet radiation, and of chlorine, formed in situ by electrolysis
11/21/2002US20020170618 Automatic shutoff device for filtered bottled water dispenser
11/21/2002US20020170350 Method and system for analyzing the effect of inflow and infiltration on a sewer system
11/21/2002DE10117143A1 Removing fat and purifying rinsing water for public use
11/21/2002CA2447452A1 Method of separating suspension, in particular for waste water treatment, and an apparatus for performing the same
11/21/2002CA2444916A1 Fine particle size lime slurries and their production
11/21/2002CA2409601A1 Granular ceramic material with high porosity
11/20/2002EP1258459A1 Process for the elimination of bromide from water
11/20/2002EP1258284A2 Process for filling moist, sticky bulk material
11/20/2002EP1258275A2 Materials treatment apparatus
11/20/2002EP1257811A2 Method for isolating a proportion of a fluid mixture
11/20/2002EP1257713A1 Apparatus for extracting portable water from the environmental air
11/20/2002EP1257505A1 Removal of sulfur compounds from wastewater
11/20/2002EP1257503A1 Growth inhibitor
11/20/2002EP1102721B1 Method and device for separating biomass from water
11/20/2002CN2521216Y Ozone water machine with reverse osmosis/deionization
11/20/2002CN2521215Y Vertical sewage filtering device
11/20/2002CN2521214Y 8000 Gs gas magnetic field intensity device for magnetic water device use
11/20/2002CN2521213Y Softening Water device for domestic warming stove
11/20/2002CN2521212Y Waste water containing oil treatment arrangement
11/20/2002CN2521211Y Centrifugal purifier
11/20/2002CN2521210Y Three phase three dimensional electrode photocatalytic reactor
11/20/2002CN2521209Y 净水器 Water Purifier
11/20/2002CN2521208Y Pulp black liquid filtering device
11/20/2002CN2521207Y Internal circulating biological active carbon water treatment apparatus
11/20/2002CN2521206Y Jet aspiration airfloat purifier
11/20/2002CN2521205Y Apron film deaerator
11/20/2002CN2521204Y Packing deaerator
11/20/2002CN1380964A Torsion generator
11/20/2002CN1380835A Method and apparatus for treating of water/waste water
11/20/2002CN1380259A High-efficiency treatment method of chroma and organics, nitrogen and phosphorus by adopting anaerobic and aerobic procedures in ciliary biological membrane method
11/20/2002CN1380258A Oxidation removing method of flea-like zooplankton by using chlorinedioxide
11/20/2002CN1380257A Integrated multistage and multieffect desalination method and its equipment
11/20/2002CN1380256A Method for preventing area-source pollution in the projects for diverting water from the south to the north and its structure system
11/20/2002CN1094469C Acid-base sewage pH value self-control drainage treatment technology
11/20/2002CN1094468C Water sterilisation device
11/19/2002US6483119 Ultraviolet treatment for liquid dispensing unit
11/19/2002US6483006 Method of decomposing organochlorine compound
11/19/2002US6483005 Treatment of effluents
11/19/2002US6483004 Adding hydrogen peroxide, heating and charging ozone to form free hyrdroxy radicals to decompose radioactive wastes
11/19/2002US6482379 Sodium-based dechlorinating agent and waste treatment equipment
11/19/2002US6482370 Apparatus and method for generating and circulating ozone for disinfection/sterilization of dental waterlines
11/19/2002US6482327 Liquid treating process and apparatus, as well as liquid treating system
11/19/2002US6482325 Apparatus and process for separation and recovery of liquid and slurry abrasives used for polishing
11/19/2002US6482320 Solid-liquid separator
11/19/2002US6482319 In-line filtration system for treatment of septic tank effluent
11/19/2002US6482318 Method and device for the treatment of fluids
11/19/2002US6482309 Electrolytic generation of nascent iodine as a method of treatment and for the prevention of infections associated with medical implant devices
11/19/2002US6482305 Electrodialysis water splitting process
11/19/2002US6482304 Apparatus and method of recirculating electrodeionization
11/19/2002US6481448 Washing and recycling unit for on-site washing of heavy machinery
11/19/2002US6481232 Apparatus and method for cooling of closed spaces and production of freshwater from hot humid air
11/19/2002CA2073419C A method of treating bctmp/ctmp wastewater
11/18/2002CA2348186A1 Immersed membrane module
11/15/2002WO2001093287A1 A new type of magnetization device
11/15/2002CA2409766A1 A new type of magnetization device
11/14/2002WO2002090904A2 Uv sensitive bacillus subtilis spores and biodosimetry applications
11/14/2002WO2002090846A2 Heat transfer system
11/14/2002WO2002090268A1 Organoboron waste stream treatment using hydrogen peroxide
11/14/2002WO2002090267A1 Device and method for removing and/or separating anions and cations of an electrolyte by multi-electrode electrolysis (mee)
11/14/2002WO2002090266A1 Water treating device
11/14/2002WO2002090265A1 Fluid treatment apparatus
11/14/2002WO2002090264A2 Apparatus and method for preventing scale formation in circulating water systems
11/14/2002WO2002089611A1 Method for enriching drinking water optionally containing added co2 with components of atmospheric gas
11/14/2002WO2002074692A3 Ship ballast water sterilization method and system
11/14/2002WO2002072482A3 Process for flocculating suspensions
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