Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
11/2002
11/07/2002US20020162801 Method and apparatus for clarification of water
11/07/2002US20020162800 Formulation and method for treating wetted surface elements in climate control systems
11/07/2002US20020162799 To eliminate contaminants of soil or waters
11/07/2002US20020162795 Methods and apparatus for biological treatment of waste waters
11/07/2002US20020162779 Point-of-use water treatment system
11/07/2002US20020162754 Water purifying device
11/07/2002US20020162735 Reduced energy water distillation and power turbine process
11/07/2002US20020162734 System and method for solar distillation
11/07/2002US20020162733 Systems and methods for solar distillation
11/07/2002US20020162453 For treating a gas to be treated containing organic substances used as organic solvents and the like by using an adsorbent
11/07/2002US20020162351 Chiller tank system and method for chilling liquids
11/07/2002DE10212577A1 Removal of very low concentrations of halogenated contaminants from industrial waste water involves use of regenerable adsorbents, especially molecular sieves or activated carbons
11/07/2002DE10121206A1 To clean and disinfect a water processing plant, for water supplies, the inflow is disconnected and hot steam is passed through the system under pressure to remove residue and disinfect the surfaces, with a back flow through the filter
11/07/2002CA2346801A1 Solar and/or battery operated colloidal silver water purifier
11/06/2002WO2001086010A1 Method for eliminating nickel ions and lead ions from ferrous salt solutions
11/06/2002EP1255423A1 UV water treatment system
11/06/2002EP1254972A1 Modular electrochemical cell
11/06/2002EP1254914A1 Process for the preparation of hetero-dispersed chelating resins
11/06/2002EP1254876A2 Method and device for processing liquid manure
11/06/2002EP1254865A1 Disintegration of Anaerobically digested sewage sludge
11/06/2002EP1254864A2 Method for producing ice
11/06/2002EP1254863A1 Material responsive to visible light and process for producing the same
11/06/2002EP1254698A1 Ozone treating apparatus
11/06/2002EP1254669A1 Flow through device for the ultrasonic destruction of micro organisms in fluids
11/06/2002EP1254077A1 Alkylamines as biofilm deactivation agents
11/06/2002EP1253950A2 Sterile water generator
11/06/2002EP1034140B1 Removal of pollutants from effluents with electrochemical treatment
11/06/2002EP0843646B1 Method of preparing aqueous chlorine dioxide solutions
11/06/2002EP0837729B1 Method and apparatus for producing deionized water
11/06/2002CN2519804Y Multi-function oil field sewage treatment machine
11/06/2002CN2519803Y Distilling recovery machine
11/06/2002CN2519802Y Water filter element for far infrared glass pearl
11/06/2002CN1378611A Method for minimising new water use in water circulation system of a treatment plant
11/06/2002CN1378486A Centrifugal pressurized separators and methods of controlling same
11/06/2002CN1378111A Intelligent control method and device for adding chemical in running water production
11/06/2002CN1377842A High efficiency decoloring coagulant series for dyeing waste water treatment
11/06/2002CN1377841A Method and device for removing flurine from underground water
11/06/2002CN1377840A Energy saving environment protection magnetic energy wat er treating device
11/06/2002CN1377839A Frequency changing type micro computer water treating device
11/06/2002CN1377838A Method and device for high frequency strong magnetic synergic water treatment
11/06/2002CN1377837A Water saving and film protecting method for preparing pure water
11/06/2002CN1377836A Oxygen decontaminated agent
11/06/2002CN1377835A Sewage treatment device
11/06/2002CN1377834A Supply system of water treatment apparatus
11/06/2002CN1377730A Compound Chinese medicinal stone and its preparation
11/06/2002CN1377728A Three phase three-diemsnional electrode photoelectric reactor
11/06/2002CN1377718A Method for removing oil, petroleum product and/or chemical pollutant from liquid and/or gas and/or surface
11/06/2002CN1093850C Process for preparing o-phenyl-dialdehyde-glutaraldehyde water solution
11/06/2002CA2408356A1 Method for eliminating nickel ions and lead ions from ferrous salt solutions
11/05/2002US6475460 Desalination and concomitant carbon dioxide capture yielding liquid carbon dioxide
11/05/2002US6475396 Apparatus and method for applying an oxidant in a hydrothermal oxidation process
11/05/2002US6475395 Liquid treatment process with in-plant pressure monitoring of submerged diffusers
11/05/2002US6475393 Method and apparatus for removing pernicious contaminants from bilgewater discharge
11/05/2002US6475390 Process for the purification of nutrients from food process streams
11/05/2002US6475386 Filter for purifying domestic drinking water
11/05/2002US6475385 Resin trap device for use in ultrapure water systems and method of purifying water using same
11/05/2002US6475384 Flotation reactor and method for flotation
11/05/2002US6475383 Rotating chemical distribution cleaning system for weirs
11/05/2002US6475382 Treatment unit for treating a fluid and method thereof
11/05/2002US6475371 Method and apparatus for producing electrolytic reduced water
11/05/2002US6475352 Method and apparatus for monitoring an ozone generator in a household water purifier
11/05/2002US6475266 Exhaust gas recovery method and apparatus
11/05/2002US6474364 Flow deflecting device
11/05/2002US6474361 Floating weir assembly and fluid flow management system comprising same
11/05/2002US6474264 Method of improving fish breeding conditions operating in ozonated water
11/05/2002US6474111 Recycling system for laundry wash water
11/04/2002EP1094987A4 Stable oxidizing bromine formulations, methods of manufacture thereof and methods of use for microbiofouling control
11/04/2002CA2374246A1 Flowthrough device for the ultrasonic destruction of microorganisms in fluids
10/2002
10/31/2002WO2002086195A1 Charge barrier flow-through capacitor
10/31/2002WO2002086021A1 Treatment of hydrocarbons containing sulfides
10/31/2002WO2002085801A1 Periphyton filtration pre- and post-treatment system and method
10/31/2002WO2002085800A1 Reactor for treatment of sewage water by activated sludge
10/31/2002WO2002085797A2 Method and device for the treatment of fluids in particular for effluent purification
10/31/2002WO2002085796A1 Process for hydrothermal treatment of materials
10/31/2002WO2002085795A1 Method and device for synthesising oxidants from aqueous sodium chloride solutions
10/31/2002WO2002085794A1 System for producing alkaline drinking water product
10/31/2002WO2002085793A1 Mediated electrochemical oxidation of biological waste materials
10/31/2002WO2002085792A1 An apparatus and a method for treating water or other liquid material and a guide plate for use in a tube
10/31/2002WO2002085790A2 Gas dissolved water producing apparatus and method thereof for use in ultrasonic cleaning equipment
10/31/2002WO2002085494A1 Water softener
10/31/2002WO2002085484A1 Surface for promoting droplet formation
10/31/2002WO2002085481A2 Polymeric membranes functionalized with egta ligands
10/31/2002WO2002085288A2 Stable antimicrobials in structured water
10/31/2002WO2002079098A8 Household apparatus using a fluid, comprising a purifying system of the type in which at least a substance must be removed from said fluid
10/31/2002WO2002070115A1 Method for producing hollow yarn film
10/31/2002WO2002062448A3 Filter apparatus using alternate types of replaceable filter elements
10/31/2002WO2002060820A3 Photooxidation water treatment device
10/31/2002US20020160224 System and method for cleaning and/or treating vehicles and the surfaces of other objects
10/31/2002US20020160088 Fibrous crystal aggregates, preparation method thereof and use thereof
10/31/2002US20020160053 Solution for promoting growth of tissue cells at wound sites and production process therefor
10/31/2002US20020159884 Torsion generator
10/31/2002US20020158028 Method and device for preventing the clogging of a drainage system
10/31/2002US20020158026 Process for purifying water
10/31/2002US20020158025 Treatment of liquids with ballasted flocculation
10/31/2002US20020158024 Flocculating the animal waste slurry, filtering flocculated slurry to separate liquid from solid material, drying solid, processing liquid to extract ammonia, phosphorus and potassium from the slurry; closed loop, zero discharge system
10/31/2002US20020158023 A conductivity control solution is injected into the stream (containing metal sulfate); precipitation of insoluble metal hydroxide of metal sulfate by pH adjustment, removal of metal hydroxide, then remaining metal sulfate is precipitated
10/31/2002US20020158018 Filtering potable source water to remove particles greater than a preselected size; purifying the water in purification unit to remove solid particles, adding selected alkaline minerals to the purified water, electrolysis
10/31/2002US20020158014 Metal containing waste water treatment method and metal containing waste water treatment equipment
10/31/2002US20020158009 An acid consuming step, a volatile acid generating step and further step of evacuating the volatile acid, transferring the volatile acid to acid consuming step; control of pH and alkalinity-acidity in acid-base, hydrolysis, redox system
10/31/2002US20020158007 Water-purifying filter