Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
04/2004
04/28/2004EP1412293A2 Apparatus and method for wastewater treatment with enhanced solids reduction (esr)
04/28/2004EP1412292A2 Apparatus and method for softening water by nanofiltration
04/28/2004EP1412080A1 Over-unity production of clean new energies by recycling contaminated liquid waste
04/28/2004EP1412001A2 Photolytic cell for providing physiological gas exchange
04/28/2004EP1411995A1 Stabilized bromine solutions, method of making and uses thereof for biofouling control
04/28/2004EP1337327A4 Process for treating a solid-liquid mixture
04/28/2004EP1315677B1 Fluid treatment
04/28/2004EP1244601A4 Waste treatment process
04/28/2004EP1124761B1 Lanthanide halide water treatment compositions and methods
04/28/2004EP1113996A4 Iron-catalysed oxidation of manganese and other inorganic species in aqueous solutions
04/28/2004EP1034138B1 Apparatus and method for the purification of water
04/28/2004EP1018882B1 A method for controlling microorganisms
04/28/2004CN2613481Y No-diffusion all-sealed hospital sewage treatment equipment
04/28/2004CN2613480Y 涡轮溶氧机 DO turbo machine
04/28/2004CN2613479Y Apparatus for continuous treating organic waste water by three-dimension electrode crystalyzing oxidation process
04/28/2004CN2613478Y Activation apparatus for preparation of small molecule water
04/28/2004CN2613477Y Superimposing activation trough for continuous water preparation
04/28/2004CN2613476Y Sewage treatment machine with automatic counter-flushing function
04/28/2004CN2613475Y Equipment for reusing waste water in car washing
04/28/2004CN2613474Y Portable bottle cap type water purifier
04/28/2004CN2613473Y Portable water purifier
04/28/2004CN2613472Y Hydroxyl free radical-ozone generator of discharge catalyzing by nano titanium dioxide plasma
04/28/2004CN1492840A Method and device for fluid treatment
04/28/2004CN1492839A Pitcher type water purifier and purification cartridge for water purifier
04/28/2004CN1492782A Filter apparatus
04/28/2004CN1492734A Synergistic biocidal composition
04/28/2004CN1492037A Process for preparing water bloom blue-green algae harvest on lake
04/28/2004CN1491904A Film assembly cleaned mechanically
04/28/2004CN1491901A Quick flocculation method for black liquor of paper-making
04/28/2004CN1491900A Method for treating waste water containing low concentration ammonium chloride
04/28/2004CN1491899A Plasma process for preparing acid water
04/28/2004CN1491749A Electric suction ionizing pure water regeneration ion exchange resin device
04/28/2004CN1147440C Treatment method of high concentration organic wastewater using biological culture equipment
04/28/2004CN1147435C Composite ultra violet sterilizer
04/28/2004CN1147434C Water disinfection equipment of modular structure
04/28/2004CN1147433C Seal device with lid
04/28/2004CN1147348C Process for recovery of iodine from aqueous solutions containing iodinated organic compounds
04/27/2004US6727219 Stabilized potassium hydrogen peroxymonosulfate
04/27/2004US6726914 Atomizing heated water into minute particles; contacting raw material under a state of decompression with heated and atomized water particles; condensing water particles; collecting cooled water; solidifying liquid extract
04/27/2004US6726846 Such as overflow sewage or oil-contaminated water; includes an inflow pipe connected to the receiving means of the vertical membrane storage system, an inflow overflow valve within the pipe and an outflow pipe with valve
04/27/2004US6726845 Adding to bayer process liquor containing red mud soluble synthetic flocculant and starch, adding dextran, removing flocculated red mud by sedimentation, centrifugation or filtration
04/27/2004US6726839 Point-of-use water treatment system
04/27/2004US6726837 Portable bilge water filter apparatus
04/27/2004US6726822 Electrodeionization process
04/27/2004US6726817 Chlorinator controller
04/27/2004CA2308524C Water treatment device with volumetric and time monitoring features
04/27/2004CA2235901C Downflow hydrothermal treatment
04/25/2004CA2446829A1 System and method for efficient and low energy desalination of water
04/24/2004CA2406248A1 All natural fuel and oil sorbent pad and boom segments for land and water oil and fuel spills
04/22/2004WO2004033732A1 Method of iron (iii) hydroxide and oxide recovery by bacterial oxidation
04/22/2004WO2004033380A1 Process for treating water containing ammonia and/or nitrite
04/22/2004WO2004033379A1 System for producing magnetization improved water to create a negative ion oxygen
04/22/2004WO2004033378A1 Magnetic device for fluids treatment
04/22/2004WO2004033377A1 Crude oel separator device using ultrasonic waves
04/22/2004WO2004033376A1 Method and apparatus for liquid purification
04/22/2004WO2004033375A1 Ultraviolet fluid treatment system
04/22/2004WO2004033374A1 Method and medium for the removal of heavy metals from aqueous solutions
04/22/2004WO2004033373A2 Mobile desalination plants and methods for producing desalinated water
04/22/2004WO2004033372A1 Mobile desalination plants and methods for producing desalinated water
04/22/2004WO2004033371A2 Method for reducing sludge of a biological ozone treatment system
04/22/2004WO2004033309A2 Communication device holder
04/22/2004WO2004033086A1 Method and apparatus for separating ions from a fluid stream
04/22/2004WO2004033069A2 Improved filtering medium and use of the said filtering medium for pollution removal from lagoons
04/22/2004WO2004032981A1 Apparatus for automatically supplying water in dental water tank
04/22/2004WO2004032979A2 Acidified chlorite compositions containing nitrogenous stabilizers and systems and methods related thereto
04/22/2004WO2004032630A1 Agent for controlling protist and/or harmful substance comprising fired product of shell powder
04/22/2004WO2004032628A1 Method for the destruction of microorganisms
04/22/2004WO2004032623A2 Organic compound and metal ion synergistic disinfection and purification system and method of manufacture
04/22/2004WO2004018589A8 Device for generating radiation
04/22/2004WO2004016554A3 Method and device for post-treating waste water from sewage plants
04/22/2004WO2004013049A3 Diffuser/emulsifier for aquaculture applications
04/22/2004WO2004002923A9 Oxidation of organic compounds
04/22/2004US20040076563 Active structure, apparatus for activating substance, and method of activating substance
04/22/2004US20040074850 Integrated energy recovery system
04/22/2004US20040074848 Apparatus for removing hydrogen peroxide from spent pickle liquor
04/22/2004US20040074847 Microbiocides; improved storage stability
04/22/2004US20040074845 Concentrating/dewatering wastes/sludge to reduce odor; flocculation
04/22/2004US20040074844 Chemisorption; water treatment
04/22/2004US20040074840 Comprises chamber for holding oxygen-depleted water, a second chamber for holding oxygen-rich water, and porous substrate comprising microorganisms
04/22/2004US20040074834 Modular aquaculture filtration system
04/22/2004US20040074832 Apparatus and a method for the disinfection of water for water consumption units designed for health or dental care purposes
04/22/2004US20040074830 Filtration cartridge
04/22/2004US20040074829 Apparatus and method for improving water quality of reservoir
04/22/2004US20040074774 Two concentration techniques, adsorption and electrodialysis, are combined to enrich lithium ions in brine from a level of several ppm to about 1.5%. At beginning brine is subjected to an adsorption, so that Li content is increased to 1200-1500
04/22/2004US20040074252 Method and apparatus for disinfecting a refrigerated water cooler reservoir
04/22/2004DE202004002243U1 Water enrichment device to enrich aquarium water has carbon dioxide supplied centrally into mixing container via connection with clamping screw
04/22/2004DE10336697A1 Permanent magnets to magnetize water flows, to reduce surface tension and break down lime crystals, are fitted to elastic carrier strips to be passed around water pipes of various dimensions
04/22/2004DE10247686B3 Reactor, for the treatment of water, has direct or indirect heating and a structured gas flow to decalcify the water and separate hazardous matter combined with disinfecting it
04/22/2004DE10247635A1 Cleaning vehicle for gullies/drains, using suction extraction and flushing with water, has a flushing water preparation system for the extracted water with a rotating filter and angled scraper for efficient filter cleaning
04/22/2004DE10247634A1 Vehicle for cleaning gullies/drains, by suction extraction and flushing with water, has a two-stage flushing water preparation with rotation between the filter and its scraper for efficient cleaning
04/22/2004DE10247318A1 Verfahren zur Metallabreicherung in Nitratelektrolyten Method for Metallabreicherung in nitrate electrolytes
04/22/2004DE10246633A1 Assembly to separate precipitated matter/sediment from sewage/waste water has an aerator at the basin wall, under the outflow, with a membrane filter to prevent clogging when at rest
04/22/2004CA2501814A1 Improved filtering medium and use of the said filtering medium for pollution removal from lagoons
04/22/2004CA2501517A1 Ultraviolet fluid treatment system
04/22/2004CA2501414A1 Mobile desalination plants and systems, and methods for producing desalinated water
04/22/2004CA2501387A1 Method for reducing sludge of a biological ozone treatment system
04/21/2004EP1410813A1 Process and device for the online preparation of liquid for an apparatus intended for extracorporeal blood treatment
04/21/2004EP1410421A1 Method and device for operating a uv-radiation source
04/21/2004EP1409768A1 Electrode
04/21/2004EP1409455A1 Prostaglandin analogues-as ep4 receptor agonists