Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
05/2002
05/02/2002EP1200357A1 Method and apparatus for the removal of harmful substances from various objects or materials
05/02/2002EP1200356A1 Process for the treatment of a waste water
05/02/2002EP1200355A1 Desalination using positively buoyant or negatively buoyant/assisted buoyancy hydrate and concomitant carbon dioxide capture yielding liquid carbon dioxide
05/02/2002EP1199973A1 Household appliance using water, namely a washing machine, with improved device for softening the water
05/02/2002EP1199931A1 Electrolytic synthesis of peracetic acid
05/02/2002EP0873277B1 Use of amides for controlling biofouling using amides
05/02/2002EP0842121B1 Fluid treating apparatus
05/02/2002DE10060080C1 Pump for untreated water has a faucet point to draw off filtered water and a second faucet to take off untreated water for animal drinking troughs/cleaning, which flows past the filter and cleans it to extend the filter life
05/02/2002DE10051910A1 Flexible, poröse Membranen und Adsorbentien, und Verfahren zu deren Herstellung Flexible, porous membranes and adsorbents, and processes for their preparation
05/02/2002CA2427009A1 Processes and compositions for water treatment
05/02/2002CA2426634A1 Water treatment device
05/02/2002CA2426222A1 Water filter cartridge having a proportional flow feeder
05/02/2002CA2425598A1 Fibre membrane arrangement
05/02/2002CA2424385A1 Method and device for sterilising a liquid
05/01/2002CN2488985Y Water-saving disinfecting deodorization closet
05/01/2002CN2488974Y Secondary water automatic utilization device for domestic sewage re-use
05/01/2002CN2488971Y Sewage treatment tank
05/01/2002CN2488909Y Ozone sterilizing water-mixed device
05/01/2002CN2488908Y Simple continuous water drinking sterilizer
05/01/2002CN2488907Y Wastewater treatment device
05/01/2002CN2488906Y Civil soft water device
05/01/2002CN2488905Y UV water purifier
05/01/2002CN2488904Y Building block type solid containing water producing factory
05/01/2002CN2488754Y Vehicle mounted water-containing solid production equipment
05/01/2002CN2488575Y Water purifier
05/01/2002CN2488309Y Selenium-adding device for beverage
05/01/2002CN1347496A Water-based water treatment method
05/01/2002CN1346916A Closet bowl cleaning device
05/01/2002CN1346808A Method and device for treatment of organic waste water
05/01/2002CN1346807A Method and device for treatment of sewage or waste water and stabilization of sludge to reuse
05/01/2002CN1346806A Antibacterial haydite and its preparing process
05/01/2002CN1346805A Use of monodisperse ion exchange agent for removing As/Sb
05/01/2002CN1346804A Super-efficient seawater desalinating device by high-temp high-pressure explosive expansion and instantaneous evaporation
05/01/2002CN1346716A Process for comprehensively treating silver-containing solid waste
05/01/2002CN1083804C Apparatus and method for waste water treatment using microorganisms
04/2002
04/30/2002US6380431 Quaternary ammonium compound
04/30/2002US6380182 For contacting submergible surface with sulfamic acid or salt thereof to inhibit bacterial adhesion
04/30/2002US6379796 Composite hollow fiber membrane
04/30/2002US6379630 For supporting salt above a portion of a concentrated brine solution in a brine tank for use in a water softening system
04/30/2002US6379628 Pulsed electric field treatment system
04/30/2002US6379563 Aqueous solution
04/30/2002US6379562 Treatment of water containing organic wastes with aromatic amine nitrate salts
04/30/2002US6379561 Method of, composition and kit for oxidizing materials in an aqueous stream
04/30/2002US6379560 Water purifying apparatus and method for purifying water
04/30/2002US6379556 Recovery of iodide from chemical process wastewater
04/30/2002US6379555 Wastewater treatment process using an admixed paste of activated carbon and magnesium hydroxide
04/30/2002US6379549 Method for treating water incorporating a sedimentation tank and a multilayer filter operating at high speeds
04/30/2002US6379548 System for recovering and treating waste water
04/30/2002US6379546 Water pollution control; separate accumulation; membrane filtration
04/30/2002US6379545 Water pollution control
04/30/2002US6379544 Portable device for supplying filtered water
04/30/2002US6379543 Water treatment system
04/30/2002US6379539 Point of entry water treatment system
04/30/2002US6379538 Apparatus for separation and recovery of liquid and slurry abrasives used for polishing
04/30/2002US6379518 Concentration in compartments, ion exchanging and controlling voltage
04/30/2002US6379500 Silica-based sols
04/30/2002CA2197343C Elimination and inhibition of bivalve mollusk attachments
04/30/2002CA2100571C Modular unit of an ultrasonic tubular reactor
04/25/2002WO2002033515A2 Wireless asp systems and methods
04/25/2002WO2002033135A1 Precious metal scavenging from a liquid medium with a functionalised polymer fiber
04/25/2002WO2002033055A1 Production process and composition of an enzymatic preparation, and its use for the treatment of domestic and industrial effluents of high fat, protein and/or carbohydrate content
04/25/2002WO2002032815A2 Treatment of sludge from wastewater treatment facilities
04/25/2002WO2002032814A1 Mobile unit for filtering and sterilizing water
04/25/2002WO2002032579A1 A solids separator
04/25/2002WO2002032558A1 Flexible and porous membranes and adsorbents, and method for the production thereof
04/25/2002WO2002032556A2 Method and apparatus for separating mixtures of organic and aqueous liquid phases
04/25/2002WO2002032540A1 Deep bed filtration system
04/25/2002WO2002032539A1 Installation for measuring concentration in dense granular material of a flow and water treatment system comprising same
04/25/2002WO2002032538A1 Flocculants for oil-water separation and method for oil-water separation by flocculation
04/25/2002WO2002032534A1 Method and apparatus for purifying liquid
04/25/2002WO2002032476A2 Method and apparatus for generating a sterile infusion fluid
04/25/2002WO2001043782A3 Radiation source module
04/25/2002US20020049271 Wiper blade utilizing piezoelectricity of tourmaline and method for manufacture of the same
04/25/2002US20020048807 Hydrocarbon spillage absorbing and bioremediating device and method
04/25/2002US20020046976 Heterocyclic compound with N-substituted amino group or its salt, and an alkaline agent and/or water soluble polymer
04/25/2002US20020046974 Crossflow, semipermeable membrane to soften water
04/25/2002US20020046969 Container, a spray head and a water purifier
04/25/2002US20020046968 Process and device for separation of absorbent / floating material from product mixes by means of float / sink separation
04/25/2002US20020046957 Electrolytic cell with a housing, set of electrodes, and system control circuit that converts an external source of power to a direct current
04/25/2002US20020046569 Apparatus for the production of freshwater from extremely hot and humid air
04/25/2002US20020046474 Method and apparatus for microwave utilization
04/25/2002DE10114053A1 System for the removal of surface water from roads has a deep bed, with infiltration surfaces filled with a filter material, to allow the collected rain water to be used for irrigation and prevent oil entering the drains
04/25/2002DE10052265A1 Ultraviolet measurement sensor used for measuring extent of contamination of effluent comprises measuring element built into water-tight sensor housing having an ultraviolet-permeable measuring window
04/25/2002DE10051422A1 Process for adjusting water hardness in water hardening plant and/or process water cycle comprises acquiring actual degree of water hardness at fixed measuring point
04/25/2002DE10049337A1 Flow tube used in ozone generators for disinfecting drinking water, and for cleaning fruit and vegetables comprises an outer tube, an inner tube arranged in the outer tube
04/25/2002DE10049184A1 Water treatment device used for aerating and energizing water comprises antenna, coil axially arranged around antenna, electrical connection connecting the coil to the antenna, and container
04/25/2002DE10045865A1 Process for removing metallic fine materials and anaerobic bacteria from aqueous cooling lubricant emulsions comprises collecting the emulsions in a container, introducing gas bubbles, and removing foam produced by the bubbles and particles
04/25/2002DE10045022A1 Medizinisches Getränk mit gesundheitlichen Vorteilen Medical drink with health benefits
04/25/2002DE10027549A1 Solar operated system comprises using part of an electrical current produced by a photovolatic arrangement to supply a household or for commercial use and using the remainder to recover hydrogen by electrolysis
04/25/2002DE10013237A1 Production of foam from a solution used in disinfecting processes, photo-induced syntheses or decontamination processes comprises introducing a photo-reactive substance into the foam
04/25/2002CA2425890A1 Method and apparatus for separating mixtures of organic and aqueous liquid phases
04/24/2002EP1199098A1 A water purifying apparatus
04/24/2002EP1198997A2 Pulse sterilisation apparatus
04/24/2002EP1198618A1 Post-passivation of a phosphatized metal surface
04/24/2002EP1198503A1 High molecular weight zwitterionic polymers
04/24/2002EP1198424A1 A method of and arrangement for continuous hydrolysis of organic material
04/24/2002EP1198423A1 Reclamation of materials in a closed environment with remedial water
04/24/2002EP1198421A1 Compositions of an anionic surfactant and a mineral cation used in aqueous medium
04/24/2002EP1198420A1 Method for treatment of substantially aqueous fluids derived from processing inorganic materials
04/24/2002EP1198419A1 Apparatus for ultraviolet light treatment of fluids