Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
10/2004
10/20/2004CN1171810C Device and method for treating faeces, Kitchen sewage and domestic sewage
10/20/2004CN1171809C Jet aeration reactor used in active sludge method and its jet aeration process
10/20/2004CN1171808C Carrier filler and its preparation method
10/20/2004CN1171807C Modifier for ecological environment of aquiculture pond bottom and its usage
10/20/2004CN1171805C Mycelium surface coated biologica adsorbent and preparing process thereof
10/20/2004CN1171801C Sewage treatment equipment
10/19/2004US6806081 Methods and organisms for concentrating and recovering metals and minerals from aqueous media
10/19/2004US6805806 Method and apparatus for treatment of wastewater employing membrane bioreactors
10/19/2004US6805798 Environmental remediation method and apparatus
10/19/2004CA2246296C Reactor for biologically removing organic pollutants from water
10/14/2004WO2004087584A1 System and method for the treatment of wastewater using plants
10/14/2004WO2004087583A1 Sequential batch reactor with biofilm configuration for treating complex chemical and pharmaceutical effluents
10/14/2004WO2004087582A1 Method and device for the purification of waste water
10/14/2004WO2004087282A2 Grease removal system
10/14/2004US20040200773 Microbial generator for bioaugmentation of wastewater streams, wastewater bodies, groundwaters and other aqueous discharges
10/14/2004DE10314933A1 Waste water treatment up-flow anaerobic sludge blanket reactor has a gas collection hood with an aperture via a gas box to a methane outlet
10/13/2004EP1466870A1 Process and installation for the treatment of animal wastes
10/13/2004EP1466869A1 Apparatus and process for wastewater purification
10/13/2004EP1236688B1 Biological purification plant for residual waters equipped with anaerobic digestors and purification process
10/13/2004CN2647849Y Sewage nomal position purifier
10/13/2004CN2647848Y Pillar shap suspension filler
10/13/2004CN2647847Y Backflush device for bioaeration filtering tank
10/13/2004CN2647846Y Moduling block film separator
10/13/2004CN2647845Y Coking waste water disposal device
10/13/2004CN1535998A Production method of filtering material for water treatment and its product
10/13/2004CN1535926A Aeration oxidation channel
10/13/2004CN1170780C Method and reactor for eliminating nitate and nitrogen from drinking water
10/13/2004CN1170777C Microbiological water filter
10/12/2004US6802976 Organic sulfur reduction in wastewater
10/12/2004US6802975 Method for biological effluent treatment
10/12/2004US6802956 Electrolytic treatment of aqueous media
10/08/2004CA2426547A1 Process for treating liquid septage
10/07/2004WO2004085316A2 Two phase anaerobic organic matter treatment and system
10/07/2004WO2004061242A3 Water circulation systems for ponds, lakes, and other bodies of water
10/07/2004US20040197812 Contaminant removal by ferns via foliar-application and excised/ground fronds
10/07/2004US20040195186 Grease removal system
10/07/2004US20040195184 Composition of matter and its use as a coagulant and flocculent
10/07/2004US20040195177 Method for subsurface aerated treatment of wastewater
10/07/2004US20040195176 Enabling microbes to reduce hazardous contaminants into innocuous derivatives in ground water; dechlorination; low cost
10/07/2004US20040195159 Apparatus for subsurface aerated treatment of wastewater
10/07/2004DE10313153A1 Removal of impurities from water using mussels, locates them in body of water to be treated such that their local external water flows follow circular paths
10/07/2004DE10120956B4 Vorrichtung und Verfahren zur Phosphoreliminierung aus Oberflächengewässern Apparatus and method for phosphorus removal from surface waters
10/07/2004DE10048892C5 Scheibentauchkörper Biodisk
10/06/2004EP1464626A2 Process for the treatment of agri-food and industrial effluents comprising one phase of biodigestion by filamentous fungi
10/06/2004EP1464625A1 Method for sludge reduction in a waste water treatment system
10/06/2004EP1464624A1 Carrier for biofilm made of screw caps to be used in wastewater purification plants
10/06/2004EP1463687A1 Biological water treatment process involving post-denitrification mechanism and a membrane filter
10/06/2004EP1331984A4 Gas dissolving apparatus and method
10/06/2004CN2646144Y Garbage percolate treatment and generation device
10/06/2004CN2646141Y Charge lowering inversion A/A/O denitrogenation and dephosphorization water treatment device
10/06/2004CN2646140Y Hydrolysis reactor utilizing high temperature industrial sewage afterheat
10/06/2004CN2646139Y Improved disk type membrane microporous aerator
10/06/2004CN2646138Y Allotypical diffusion cover of aerator
10/06/2004CN2646137Y Improved oxygen ditch rotating disk for aeration
10/06/2004CN2646136Y High efficiency blockage proof soil organism waste water treatment device
10/06/2004CN2646135Y Tubular aerator or filter
10/06/2004CN2646124Y Polycyclic water distributor
10/06/2004CN1533990A High density aquatic plant ditch sewage treatment system
10/06/2004CN1533989A Nitrating method and device and waste water processor
10/06/2004CN1169943C Intermediate thermophilic acidophilic thiobacillu strin and its application
10/06/2004CN1169733C Batch Circulated upflow sludge bed organic waste water treatment process
10/06/2004CN1169729C Electric dialyzer bioreactor and denitrifying method of raw water or waste containing nitrate
10/06/2004CN1169600C Prep. of vegetable fiber biological filler
09/2004
09/30/2004WO2004083411A1 Bacterial strain and a method of reducing total dissolved solids
09/30/2004WO2004083410A1 Process for colour reduction of pulp & paper effluent
09/30/2004WO2004083130A1 Bacterial strain for removing total dissolved solids (tds) from tannery wastewaters
09/30/2004WO2004083129A1 Treating agent for decomposing feces/urine and method of treating feces/urine through decomposition by activated microorgnisms
09/30/2004US20040192154 Apparatus and method for manufacturing organic EL display device
09/30/2004US20040188348 Metal containing waste water treatment method and metal containing waste water treatment equipment
09/30/2004US20040188347 Waste stream digestion method
09/30/2004US20040188341 Apparatus and method for cleaning membrane filtration modules
09/30/2004DE202004010466U1 Vollbiologische Kleinkläranlage nach dem SBR-Verfahren mit im Vorklärbehälter integriertem Reaktorbehälter Fully biological wastewater treatment plant after the SBR process with built-in Vorklärbehälter reactor vessel
09/29/2004EP1461141A1 Method of using water soluble polymers in a membrane biological reactor
09/29/2004CN2644421Y Speed change rotational flow water proportioning device of upward flow type anaerobic sludge bed
09/29/2004CN2644420Y Speed change upward flow type anaerobic hydrolysis equipment
09/29/2004CN2644419Y Diaphragm aeration equipment
09/29/2004CN2644418Y 外置式过滤器 External filter
09/29/2004CN2644417Y Filtering head
09/29/2004CN1532152A Novel functional suspension filler
09/29/2004CN1532151A Method and device for removing nitrogen
09/29/2004CN1168680C Process and equipment for filtering liquid mixture of bioreactor by dynamic membrane
09/29/2004CN1168679C Biological treatment apparatus and method for purifying waste water or raw water of running water therefor
09/29/2004CN1168666C Sewage treatment tank
09/28/2004US6796436 Adding biocidal agent to system or assembly before sealing it for shipment or storage
09/23/2004WO2004081212A1 Novel polyvinyl alcohol-digesting bacterium
09/23/2004WO2004080903A1 Non-sludge high-speed waste water treatment system
09/23/2004WO2004080620A2 Bio-reactive permeable barrier for the degradation of organic contaminants
09/23/2004WO2004065307A3 Small-scale wastewater treatment installation comprising concentric treatment stages
09/23/2004US20040182781 Inoculating carrier media with at least one microbial population; placing carrier media within a container having an inlet and an outlet;introducing wastes into container through inlet;supplying oxygen to container and microbial population; permitting liquid to exit container through outlet
09/23/2004US20040182780 Organic waste treatment apparatus and method for recycling as a liquid fertilizer
09/23/2004US20040182779 Comprises methane reactor for creation of biogas; waste treatment
09/23/2004US20040182767 Aquarium filtration system
09/23/2004US20040182762 Carrier for biofilm to be used in wastewater purification plants
09/23/2004DE10310986A1 In situ cleaning of contaminated ground water, to give clean drinking water, uses an oxidative action using ozone together with oxygen enrichment in a reactor
09/23/2004DE10310097A1 Fluid bed reactor for the treatment of effluent water arising from domestic and trade wastes introduces oxygen via venturi jet to coarse foam particle with pores
09/22/2004EP1169270A4 Method and apparatus for treating leach fields
09/22/2004EP1150922B1 Method for treating a waste stream using photosynthetic microorganisms
09/22/2004CN2642771Y Novel water treatment biological carrier fluidizing pool
09/22/2004CN1531601A PCR-based monitoring in wastewater biotreatment systems
09/22/2004CN1531468A Method and system for treating organic matter utilizing substance circulation system