Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
04/2004
04/08/2004DE10245408A1 Reactor for separating and removing organic compounds from sewage/waste water, uses chemical and biological reactions together with a catalyst reaction from immersed electrodes
04/08/2004DE10244915A1 Filtering process for separating polar organic compounds from effluent produced from biological clarifying plant comprises pre-filtering waste via micro-filter and adsorption-pressure filtering using deformable filter material
04/08/2004DE10244743A1 Separation of sewage gives a light phase and/or heavy components, with major separation of the light matter at the coarse separation stage, and final removal at a following fine separation
04/08/2004DE10244634A1 Irrigation system, to give water sprays at time intervals, has a dosed additive of a non-corrosive decalcifying agent during irrigation to prevent furring at the water outflows
04/08/2004DE10244545A1 Mobile sewage treatment assembly, to fit into a container for transport, has a single injection unit with two flotation basins to treat the sewage with streams of micro bubbles
04/07/2004EP1406125A1 Method for manufacturing photosensitive resin printing plate, and developer treatment device
04/07/2004EP1405829A1 Reaction vessel for the treatment of water by ozonation
04/07/2004EP1405828A1 A module for purifying a fluid, in particular water
04/07/2004EP1405827A1 Process and apparatus for treating nitrogen compound containing water
04/07/2004EP1405671A2 Method of preventing corrosion in a water system
04/07/2004EP1404622A1 Method for starting up a system for treating waste by hydrothermal oxidation
04/07/2004EP1404621A1 Process and plant for the recovery of phosphorous and coagulants from sludge
04/07/2004EP1404619A2 Procede de conditionement ou de deshydratation de boues issues de l'industrie papetiere ou agro-alimentaire
04/07/2004EP1404618A1 A fluid treatment apparatus
04/07/2004EP1404617A1 An apparatus and a method for treating water or other liquid material and a guide plate for use in a tube
04/07/2004EP1404381A2 A system for microbial control of a fluid
04/07/2004EP1317402A4 Water treatment system using hollow fiber membrane module
04/07/2004EP1189692B1 Novel triazine-based detoxification agents and their use
04/07/2004EP0854165B1 Method for decomposing wastes
04/07/2004CN2609917Y Integral household waste water treatment device with pollution discharge and deodorization
04/07/2004CN2609916Y Water magnetizating device
04/07/2004CN2609915Y Magnetic device of single direction magnetic line
04/07/2004CN2609914Y Water purifier
04/07/2004CN2609913Y Water-saving, energy-saving shower room
04/07/2004CN2609912Y Riverlet unpowered sewage treatment device
04/07/2004CN2609638Y Household multi-medium water purifier
04/07/2004CN1487842A Ultraviolet wastewater disinfection system and method
04/07/2004CN1487835A Composition of hypochlorous acid and its applications
04/07/2004CN1487139A 洗衣机及其控制方法 Washing machine and control method
04/07/2004CN1486941A Ozone oxidizing method and apparatus for reducing amount of active sludge
04/07/2004CN1486939A Sewage and waste water treating apparatus and method with natural organic polymer flocculant
04/07/2004CN1486938A Prepn process of polymerized iron phosphosulfate
04/07/2004CN1486937A Microfiltration film separation technology for straw pulp balck liquor
04/07/2004CN1486936A Microfiltration film separation and reuse technology for papermaking intermediate waste water
04/07/2004CN1486935A Changeable lamp assembly for water treatment system
04/07/2004CN1486934A Light assembly
04/07/2004CN1486933A Industrial waste water treating method with silver carrying active carbon
04/07/2004CN1486932A Production process of solid sea water
04/07/2004CN1486772A Car washing water circulating purifier
04/07/2004CN1144762C Process for treating recovering water of crude oil
04/07/2004CN1144761C Sewer/waste water treatment apparatus
04/07/2004CN1144760C Swimming solution for artificial preparing simulation dead sea characteristics
04/07/2004CN1144759C Liquid processing device
04/07/2004CN1144758C Method for reducing metal ion concentration in brine solution
04/06/2004US6716794 Photosensitizers of the tetrapyrrol and/or tetraazopyrrol families having at least one positive charge at a substituent for controlling bacterial germs and algae in aquaria
04/06/2004US6716399 Apparatus for decomposing halogenated aliphatic hydrocarbon compounds or aromatic compounds
04/06/2004US6716366 Chemical composition for treatment of nitrate and odors from water streams and process wastewater treatment
04/06/2004US6716360 Adding nitrogen oxides; conducting stream up hydraulic updraft column; wet oxidation; ammoniation
04/06/2004US6716357 Method of removing phosphoric acid containting wastewater
04/06/2004US6716354 Methods of treating water using combinations of chlorine dioxide, chlorine and ammonia
04/06/2004US6716351 Hydrolysis and acetogenesis in a first reactor; removing ammonia in a second reactor; methanogenesis in a third reactor to avoid ammonia inhibition
04/06/2004US6716346 Fluid magnetizer
04/06/2004US6716345 Point-of-use water treatment system
04/06/2004US6716344 Liquid-solids circulating fluidized bed
04/06/2004US6716343 Point-of-use water treatment system
04/06/2004US6716340 Water treatment system
04/06/2004US6716335 Two plate electrodes facing each other, a direct current power source and a control circuit for changing polarity of the electrodes alternately
04/06/2004US6716307 Process and system for the removal of scale build-up
04/06/2004US6715618 Antimicrobial filtration
04/06/2004CA2286995C Multi-level leaching system
04/06/2004CA2188198C Peat bale filtration element
04/06/2004CA2185351C Micronutrient supplement
04/06/2004CA2134284C Method and apparatus for deaerating a liquid in a substantially closed liquid circulation system
04/01/2004WO2004027116A2 Biocidal solution
04/01/2004WO2004026774A1 Method of reducing volume of sludge and apparatus therefor
04/01/2004WO2004026773A1 Method for advanced wastewater treatment without excess sludge using sludge disintegration
04/01/2004WO2004026770A1 Stabilized bromine and chlorine mixture, method of manufacture and uses thereof for biofouling control
04/01/2004WO2004026768A1 Method and system for heat transfer
04/01/2004WO2004026767A2 Desalinization still
04/01/2004WO2004026450A1 Apparatus for separating out a first liquid component from a mixture with a second heavier liquid component
04/01/2004WO2004026364A2 Wearable ultrafiltration device
04/01/2004WO2003106735A3 Method for scale removal
04/01/2004WO2003096866A3 Self-contained, self-powered electrolytic devices for improved performance in automatic dishwashing
04/01/2004WO2003096863A3 Energy-efficient automatic dishwashing appliances
04/01/2004WO2003095372A3 Method for treating water containing iron, manganese and arsenic
04/01/2004WO2003095368B1 Removal of chloramines from drinking water with improved activated carbon
04/01/2004WO2002055182A9 Reverse osmosis system with controlled recirculation
04/01/2004US20040062818 Composition of hypochlorous acid and its applications
04/01/2004US20040062707 Connecting to scrubbing smelter; wet and dry separation; dilution; contacting with hot contercurrent flow
04/01/2004US20040062705 Acidification of a aqueous bromide solution; entrainment of vapors; filtration, washing, drying; forming bromine
04/01/2004US20040062547 Photofinishing processing system and a processing solution supply cartride for the processing system
04/01/2004US20040061069 Fluid treatment system with UV sensor and intelligent driver
04/01/2004US20040060877 Apparatus for preventing backflow into an ozone generator
04/01/2004US20040060876 Bilge water reclamation system and process
04/01/2004US20040060875 Continuously producing, separating, or concentrating ionizable organic compounds present in dilute solutions while controlling pH; ion exchanging, electrodialysis
04/01/2004US20040060874 Conveying through adsorbent bed; oxidation, decomposition, and elution
04/01/2004US20040060873 Chlorine adsorber; hollow fiber membranes
04/01/2004US20040060863 Time shifting cycle of reactor to use flash steam to inject in another reactor
04/01/2004US20040060860 Portable water treatment facility
04/01/2004US20040060851 Water saving cabinet type gravity filter and water storage
04/01/2004US20040060850 Water purifier
04/01/2004US20040060824 Chemical treatment, plating, and residue elimination method
04/01/2004US20040060823 In measuring cell, cylinder is held coaxially inside reference tube and solution is forced to flow through annular flow channel between cylinder and reference tube; streaming potential induced by flow forced with hydraulic pressure drop is measured to determine zeta potential of cylinder's outer surface
04/01/2004US20040060815 Electrochemical treatment of an aqueous solution
04/01/2004US20040060808 Advective solar collector for use in multi-effect fluid distillation and power co-generation
04/01/2004US20040060602 Water diversion systems and methods
04/01/2004DE20217615U1 Dirty water collection and treatment unit, comprises a water collection container composed of a base and side walls, and a filter system
04/01/2004DE202004001194U1 Sterilizing equipment for water circuits, in a hypothermic apparatus to control blood temperature in extra corporeal blood perfusion during surgery, has UV lamps at the transparent hoses of the water circuits
04/01/2004DE20200149U1 Drinking fountain is connected to the mains water supply and has a self cleaning programme which isolates the system and cleans the pipes and accessories with steam followed by cold water rinsing
04/01/2004DE10326651A1 Alkalization of acidic seepage water and ground water surrounding a lake in a disused opencast mine or gravel pit comprises inserting permeable columns of alkaline material into porous rock