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)
07/2000
07/06/2000CA2293968A1 Device and method for dispensing bacteriostat into a humidifier
07/05/2000EP1016651A1 A process for simultaneous production of amino acid hydrochloride and caustic via electrodialytic water splitting
07/05/2000EP1016633A1 Process for the treatment of waste water containing heavy metals
07/05/2000EP1016632A1 Process and apparatus for treating alkaline waste streams from desulphurisation plants
07/05/2000EP1016631A1 Method for treating waste water containing nitrate ions
07/05/2000EP1016630A1 Apparatus for ultraviolet irradiation and disinfection of flowing sewage with reduced UV transmission coefficients
07/05/2000EP1016206A1 Control circuit and method for piezoelectric transformer
07/05/2000EP1016152A1 Lithium recovery and purification
07/05/2000EP1015829A1 System and method for channeled freeze processing of non-solid materials
07/05/2000EP1015389A1 Oxygenated water cooler
07/05/2000EP1015388A1 Method for inhibiting biogenic sulfide generation
07/05/2000EP1015387A1 Mechanical vapour recompression separation process
07/05/2000EP1015090A1 Flowmeter system useable with water treatment device
07/05/2000EP0989958A4 Nitrate reduction
07/05/2000EP0784504B1 Method for hydrolysis of organic materials
07/05/2000CN2386043Y Fine lime milk automatic nitrate adding device
07/05/2000CN2386042Y High-efficient rotary film deaerator without water tower
07/05/2000CN2386041Y Water puring machine
07/05/2000CN2386040Y Automatic internal pressure type softened water device
07/05/2000CN2386039Y Mixed catalyzed deaerator
07/05/2000CN2385649Y Drinker with prevention of secondary pollution
07/05/2000CN2385630Y Thermos magnetic cup with ventilation pressure valve
07/05/2000CN1259166A DNA sequences, expression of said DNA sequences, thermopile laccases coded by said DNA sequences and the use thereof
07/05/2000CN1259107A Method of disinfecting water and food stuff preservation with iodine species
07/05/2000CN1258776A Paper-making black liquor and paper-making water treating process
07/05/2000CN1258647A Technological process and equipment of recovering paper-making sludge energy
07/05/2000CN1258646A Hydrophilic penetrating and evaporating film for desalting sea water
07/05/2000CN1258645A Ultrasonic water treating method and apparatus
07/05/2000CN1258555A Double filter layer filtering bed process for treating printing and dyeing effluents
07/05/2000CN1054116C Finely divided anthraquinone formulations as inhibitors of sulfide production from sulfate reducing bacteria
07/05/2000CN1054110C Apparatus for treating activated sludge
07/05/2000CN1054109C Process for purifying residual ammonia water from coking process
07/05/2000CN1054029C Technology for extracting thallus protein
07/04/2000US6084008 Fire retardant coating composition
07/04/2000US6083670 Process and equipment for rejuvenation treatment of photoresist development waste
07/04/2000US6083463 Water system for supplying chilled water to a food production line
07/04/2000US6083409 Method for treating organic wastes
07/04/2000US6083405 Floating water purification free-running apparatus and water purification method
07/04/2000US6083398 Process for the decoloration and detoxification of aqueous effluents
07/04/2000US6083396 Injecting coagulant into water; monitoring presssure reduction
07/04/2000US6083394 Composition and method for dehalogenation and degradation of halogenated organic contaminants
07/04/2000US6083389 Flotation plant
07/04/2000US6083387 Apparatus for the disinfection of fluids
07/04/2000US6083386 Holding waste water; circulation
07/04/2000US6083385 Cleansing system
07/04/2000US6083382 Water desalination system
07/04/2000US6083377 Electrochemical treatment of water contaminated with nitrogenous compounds
07/04/2000US6082373 Cleaning method
06/2000
06/29/2000WO2000037369A1 Submerged membrane bioreactor for treatment of nitrogen containing water
06/29/2000WO2000037366A1 Method and installation for sanitizing surface water
06/29/2000WO2000037365A1 Method for digital electrochemical water treatment
06/29/2000WO2000037364A1 Purification of water
06/29/2000WO2000037363A1 Water filtration pitcher with pressure fill
06/29/2000WO2000009449A3 Portable water filtration system
06/29/2000DE19860568A1 Verfahren und Anlage zur Sanierung von Oberflächengewässern Method and apparatus for improvement of surface waters
06/29/2000DE19860181C1 Water removal from contaminated residues in concrete pans heated at the base and covered by a semipermeable membrane.
06/29/2000DE19859862A1 Verfahren und Vorrichtung zur Grundwassersanierung mittels Dichtwand-Heber-Reaktor Method and apparatus for groundwater remediation using cut-off wall-lift reactor
06/29/2000DE19859746A1 Materials, for removing heavy metals and organic pollutants from contaminated water, contain cellulose or starch derivative
06/29/2000DE19859386A1 Anordnung zur Entfernung von Schwermetallionen aus Dachablaufwässern Arrangement for removing heavy metal ions from roof runoff waters
06/29/2000DE19852697A1 Process to remove sulfides from water effluent arising from treatment to remove heavy metals using calcium sulfide
06/28/2000EP1013995A2 Method for thermally treating non-burnable liquids
06/28/2000EP1013612A2 Process and article for disinfecting water
06/28/2000EP1013611A1 System for removing heavy metals from waters collected from roofs
06/28/2000EP1013335A1 Method for selectively extracting ionic species from an aqueous solution
06/28/2000EP1012123A1 Remediation material and remediation process for sediments
06/28/2000EP1012122A1 Method for treating alkaline waste water
06/28/2000EP1012120A1 Treatment of acidic water containing dissolved ferrous cations
06/28/2000EP1012119A1 Device for degerminating and filtering water passing through a sanitary device
06/28/2000EP1012118A1 Device for degerminating water passing through a sanitary device
06/28/2000EP1012117A1 Device for sterilizing and filtering water which flows through a sanitary device
06/28/2000EP1012116A1 Device for degerminating water passing through a sanitary device
06/28/2000EP1011839A1 Method for eliminating organophosphorus compounds contained in a gas or liquid
06/28/2000EP0980284A4 End-of-life indicator for water treatment device
06/28/2000EP0914185A4 Pour-through and pitcher mounted water filter
06/28/2000EP0854844B1 Biological method of treating sewage containing high concentrations of sludge
06/28/2000EP0667834B1 Preventing contaminant build-up in beer lines
06/28/2000CN2384944Y Purifying descaling device for water circulating pipeline
06/28/2000CN2384943Y Magnetizer
06/28/2000CN2384942Y High frequency electronic water treating equipment
06/28/2000CN2384941Y Hanging descaling magnetizer for kettle
06/28/2000CN2384940Y Internal storage type ion water treatment device
06/28/2000CN2384939Y Purified water special-purpose automobile
06/28/2000CN2384937Y Papermaking waste water foam separating device
06/28/2000CN2384936Y Non-dry combustion distilled water device
06/28/2000CN1258265A System for recovering waste water
06/28/2000CN1257840A High-molecular cationic flocculant of starch graft acrylamide and its preparing process
06/28/2000CN1257839A Oxidizing, flocculating and solid-liquid separating process for purifying water
06/28/2000CN1257838A Continuously photocatalytic process and equipment for purifying waste water and drinking water containing organic contaminant
06/27/2000US6080804 Free flowing dry mixture comprising mannich poly(alk)acrylamide granules and a base or buffer; flocculants
06/27/2000US6080333 Composition to detoxify and to convert glutaraldehyde in gazeous
06/27/2000US6080323 Method of removing biofilms from surfaces submerged in a fouled water system
06/27/2000US6080319 Using charged organically modified mineral
06/27/2000US6080317 Process and apparatus for the purification of waste water
06/27/2000US6080316 High resistivity water production
06/27/2000US6080315 Process for the partial desalination of water
06/27/2000US6080314 Zeolite bed leach septic system and method for wastewater treatment
06/27/2000US6080313 Point-of-use water purification system with a cascade ion exchange option
06/27/2000US6080309 Means for separation and removal of impurities from liquids
06/27/2000US6080306 Hydrogen sulfide removal apparatus
06/27/2000US6080305 Sewage purification plant
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