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)
03/2003
03/19/2003CN2540403Y Cylindrical inclined cylinder type stainless steel tilting plate box in sewage containing oil precipitation device
03/19/2003CN2540402Y Non-over flow filter pond with horizontal and vertical water-distributing gas-distributing pipe
03/19/2003CN2540401Y High-efficiency settling separating device for treatment of sewage containing oil
03/19/2003CN2540400Y Control circuit for distilled water
03/19/2003CN2540399Y Water-saving type water treatment filter pond
03/19/2003CN1403395A Water treatment apparatus
03/19/2003CN1403389A Integral electrochemical denitration method and reactor
03/19/2003CN1403388A Production process of inorganic Al-Fe polymerized coagulant with flyash
03/19/2003CN1403387A High-gradient magnetically separating method and equipment for treating drinking water with secondary pollution
03/19/2003CN1403386A High-gradient electric field and ionic rod water treater
03/19/2003CN1403385A Double-recovering circulation method for cyanic electroplating effluent and heavy metal-containing electroplating effluent
03/19/2003CN1403384A Water-treating photocatalytic reactor
03/19/2003CN1403383A Cooperative drinking water purifying method and equipment combining active carbon fiber and electrodynamic process
03/19/2003CN1403382A Method of treating phenol-containing effluent and recovering resource in 2-methyl-4-chlorophenoxyacetic acid producing process
03/19/2003CN1403381A Process of recovering organic acid from waste alkali liquor
03/19/2003CN1403380A Micro-air generator and its air floating separating system
03/19/2003CN1103323C Flocculant of halogenated bone glue and its producing process and application
03/19/2003CN1103322C Method for treating waste water containing raw oil
03/19/2003CN1103205C Interdental cleaner and its producing method
03/19/2003CA2422816A1 Disinfectant agent
03/18/2003US6534554 Microdomains of acidic and basic resins in contact with each other; water purification; recovering sugars, proteins, metals
03/18/2003US6534023 Higher suction rate; combined cooling and gas dissolution; simple; reduced cost
03/18/2003US6534001 Ultraviolet radiation water disinfection system; higher power, longer lifetime; electrodeless
03/18/2003US6533958 System for controlling microbial fouling
03/18/2003US6533943 Adding calcium or potassium sulfide from reaction of sulfur and calcium hydroxide or potassium carbonate to environmental water system and reacting with nitrates to produce nitrogen and calcium or potassium sulfate
03/18/2003US6533942 Cooling tower water cleaning system
03/18/2003US6533938 Removal of metal ions by complexation with polyglutamic acid
03/18/2003US6533937 Removing contaminants preventing caking; low cost
03/18/2003US6533930 Point-of-use water treatment system
03/18/2003US6533916 Cleaning, high diamond nucleation density seeding then coating; pore free; suitable for organic reactions
03/18/2003US6533902 Ultraviolet processing apparatus and ultraviolet processing method
03/18/2003US6533252 Method for regulated injection of liquid carbon dioxide in a pressured liquid
03/18/2003US6532760 Method and apparatus for disinfecting a water cooler reservoir
03/18/2003CA2307724C Apparatus for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage
03/18/2003CA2271577C Voltage converter for water treatment system uv bulb
03/18/2003CA2233364C Methods and compositions for controlling biofouling using sulfonamides
03/18/2003CA2233283C Methods and compositions for controlling biofouling using polyglycol fatty acid esters
03/17/2003CA2398259A1 Process and device for separating impurities from a suspension by flotation
03/17/2003CA2397997A1 Process and device for aerating a liquid with gas
03/13/2003WO2003021632A2 Pulsed uv light source
03/13/2003WO2003021031A1 Phosphorus compounds
03/13/2003WO2003020829A1 Composition, amphoteric polymeric flocculant and use of both
03/13/2003WO2003020650A1 A method of biologically purifying waste water and a plant preferably a mini purification plant to be used by the method
03/13/2003WO2003020648A1 Method for purifying solutions containing cyanides, nitriles and nitrogen-compounds
03/13/2003WO2003020647A1 Method of treating heavy-metal-containing wastewater with sulfidizing agent and treatment apparatus
03/13/2003WO2003020646A1 Device and method for purifying water
03/13/2003WO2003020645A2 Household apparatus with electrochemical treatment device for a liquid and treatment method of a fluid using this device
03/13/2003WO2003020450A1 Method for processing waste products and corresponding processing plant
03/13/2003WO2003020404A2 Arrangement and method for electrochemical purification or treatment
03/13/2003WO2003020391A1 Polymer feed system
03/13/2003WO2002100504A3 Distiller for liquids, liquids distillation method and equipment for treating sewage, which equipment includes said distiller
03/13/2003WO2002070682A3 Methods and compositions for waste treatment
03/13/2003WO2002036233A3 Removing oil from water, monitoring of adsorbent saturation
03/13/2003WO2002030766A3 Static filtration media vessels
03/13/2003WO2002028786A3 Process and apparatus for treating wastewater
03/13/2003WO2002022244A1 Membrane filter for water treatment
03/13/2003US20030050247 Peptides which are modified with at least one hydrocarbyl group and which possess antimicrobial acitivity
03/13/2003US20030050196 Photocatalyst compositions and methods for making the same
03/13/2003US20030049809 Irradiating a fluid with ultraviolet radiation; obtain fluid, insert into ultraviolet radiation generating apparatus, agitate fluid, expose to ultravolet radiation source
03/13/2003US20030049352 Fortified drinking water
03/13/2003US20030049183 For altering or converting or destroying hazardous waste compounds
03/13/2003US20030049163 Chemical modification of electrochemically activated solutions for improved performance
03/13/2003US20030047523 Filtration of hydrocarbon containing liquid
03/13/2003US20030047521 Contacting the contaminated fluid with an effective amount of an agent selected from oxidizing agents, free radical producing agents and combination for an effective amount of time to convert contaminant to modified contaminant
03/13/2003US20030047520 Composition for removing dissloved oxygen from a fluid
03/13/2003US20030047519 Heated ultrasonic treating device and treating method for suspended matter-containing liquid
03/13/2003US20030047518 Process and means to prevent microorganisms blooming in an aquatic system
03/13/2003US20030047516 Waste water treatment system
03/13/2003US20030047515 For admixing with a contaminated liquid, such as oily water, sewage and waste water, subsequent activation of admixed precipitating chemical causing dissolved and/or suspended organic and/or inorganic contaminants to separate
03/13/2003US20030047514 Dual-action decontamination system
03/13/2003US20030047510 Providing a mixture containing enzymes and surfactants, and introducing the mixture to an aqueous system containing biofilm
03/13/2003US20030047508 Contacting fluid with microorganism to aerobically degrade pollutant; removing fluid containing compound at the end pass; circulating fluid in a closed loop; contacting the fluid with the microorganism; repeating the procedure
03/13/2003US20030047501 Laminated microporous diffuser
03/13/2003US20030047499 Waste water cleaning system
03/13/2003DE20300452U1 Apparatus to magnetize water, flowing through pipe, has two metal plates which fit around pipe, with side sections to hold permanent magnets of same polarity
03/13/2003DE20300345U1 Drinking water microbes removal unit a container for water to be cleansed, pressure vessel containing one or more filter candles, and pump
03/12/2003EP1291588A1 Humidity augmenting apparatus
03/12/2003EP1291327A2 Process for the anaerobic treatment of an effluent especially an industrial or agricultural effluent
03/12/2003EP1291324A2 Deionizers with energy recovery
03/12/2003EP1291323A1 Replaceable flow-through capacitors for removing charged species from liquids
03/12/2003EP1291322A1 Process for increasing the moisture content in a dehydrated matter
03/12/2003EP1291083A1 Mixed bed ion exchange resins
03/12/2003EP1291057A1 Sewage disposal agent, sewage purifier, washing machine with purifier, and sewage purifying method
03/12/2003EP1291056A1 Oil/water separation system
03/12/2003EP1290930A1 Process for germinating plant seeds and growing a seedling
03/12/2003EP1290384A2 Integrated deaerator and condenser
03/12/2003EP1290248A1 Regeneration of plating baths
03/12/2003EP1289893A1 Device and method for treating a refuse material containing hydrocarbons
03/12/2003EP1289890A1 Device for measuring doses of a reagent by dissolution in a liquid flow
03/12/2003EP1289889A2 Fluid mixing device
03/12/2003EP1289888A1 A liquid cleaning device
03/12/2003EP1289683A2 Method for processing waste and waste processing plant
03/12/2003EP1289648A2 Electromagnetic wave assisted chemical processing
03/12/2003EP1289638A2 Highly efficient method of mixing dissimilar fluids using mechanically induced cavitation
03/12/2003EP1289632A1 Method and device for purifying water
03/12/2003EP1289572A1 A device and method for minimizing pathogens in heated water
03/12/2003EP1289367A2 Treatment of circulating water systems
03/12/2003EP1235502A4 Drinking element
03/12/2003EP1152983B1 Controlling the outflow in cooling circuits
03/12/2003EP1017630B1 Apparatus for obtaining pure water from crude water
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