| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 08/17/2005 | CN1654361A Method for purifying polluted river water on original position by floating bed plants and biologic membrane composite technique |
| 08/17/2005 | CN1654360A Active zeolite biological filtering tank denitrogenation method |
| 08/17/2005 | CN1654359A Rotating cage type floating stuffing biological sewage treatment method and equipment thereof |
| 08/17/2005 | CN1654358A Method for treating dispersant low-temperature domestic sewage by floating stuffing segregating technique |
| 08/17/2005 | CN1654357A Multifunctional sewage treatment reaction tank |
| 08/17/2005 | CN1654356A Reinforced biological contacting oxidation water correction apparatus |
| 08/17/2005 | CN1654355A Method of organic waste water treatment and fertilizer microbe fermentation |
| 08/17/2005 | CN1654352A System and method for urban sewage chemical-biologic composite deep phosphorous removal |
| 08/17/2005 | CN1653893A Composite biological denitrification method for closed-cycle breed aquatic body |
| 08/17/2005 | CN1215592C Fuel cell power generation method and system |
| 08/16/2005 | US6929942 Process for the treatment of industrial effluents using marine algae to produce potable wafer |
| 08/16/2005 | US6929876 Septic battery |
| 08/16/2005 | US6929759 Composition of matter and its use as a coagulant and flocculent |
| 08/16/2005 | US6929746 Waste stream digestion method |
| 08/16/2005 | US6929745 Apparatus for three-phase separation during treatment of wastewater and sludge |
| 08/11/2005 | WO2005073134A1 Process for biological treatment of organic waste water and apparatus therefor |
| 08/11/2005 | WO2005073132A1 Enzyme-assisted clarification and dewatering of wastewater |
| 08/11/2005 | US20050173340 Destroying sludge , toxic compounds; purification; water pollution control; using mixture of bromelin enzyme, extracted from pineapple juice, yeast and citric acid |
| 08/11/2005 | US20050173339 elimination of solids contained in biomass effluents, using multicompartment containers having aerobic and anaerobic zones |
| 08/11/2005 | US20050173338 plants used to induce flocculation and allow settling and removal of the accumulated solids |
| 08/10/2005 | EP1560796A1 Method for purifying waste water |
| 08/10/2005 | EP1023244B1 A fluid mixing system |
| 08/10/2005 | CN2716257Y Shaking-proof and easily changeable tube type glue film aerator |
| 08/10/2005 | CN2716256Y Multi-tube secondary-mixing diving aerator |
| 08/10/2005 | CN2716255Y Rotary decanter |
| 08/10/2005 | CN1653003A Process for the removal of organic sulfur in wastewater including an oxidative pretreatment |
| 08/10/2005 | CN1653000A Methods and apparatus for treating animal manure |
| 08/10/2005 | CN1651355A Method of converting pig farm dung into liquid state micro organism organic fertilizer |
| 08/10/2005 | CN1651343A AZNdenitrification phosphorus oliminating sewage treatment method and device |
| 08/10/2005 | CN1213950C Process for removal of suspended and other material from waste water |
| 08/10/2005 | CN1213796C Fiber membrane arrangement |
| 08/09/2005 | US6926832 Method of using water soluble polymers in a membrane biological reactor |
| 08/09/2005 | US6926831 a starch-derived biodegradable plastic is used as a single carbon source and immobilizing carrier of denitrificans, and contacted with nitrate-polluted groundwater. |
| 08/09/2005 | US6926830 third generatin waste water and sewage water treatment, and each stage utilizes indivisually controlled continuous or alternating anaerobic/anoxic/aerobic operation, with or without mixing and recycling from the other stage(s) |
| 08/09/2005 | CA2126722C Functional ceramics |
| 08/04/2005 | WO2005070838A1 Water treatment by activated sludge |
| 08/04/2005 | US20050167361 Monitoring the weight of a trickle filter medium by suspending a first portion of the tower housing the medium from a load cell assembly, and measuring the tension on the load cell assembly; used for the biological treatment of waste water |
| 08/04/2005 | US20050167360 Method and apparatus for determining weight and biomass composition of a trickling filter |
| 08/04/2005 | US20050167359 Especially for flushed livestock manure; includes an enclosed digester tank (fixed or flexible roof), internal media having vertically-oriented channels for biofilm development and toimmobilize anaerobic microorganisms; a biogas collection and flare system, various pumps, and hydraulic control systems |
| 08/04/2005 | US20050167271 Separation systems with charge mosaic membrane |
| 08/04/2005 | DE19860568B4 Verfahren und Anlage zur Sanierung von Oberflächengewässern Method and apparatus for improvement of surface waters |
| 08/04/2005 | DE102004063863A1 For the control and minimizing of odors from sewers, and sewage processing plants, the dimethylsulfoxide feed is reduced to prevent the formation of dimethylsulfide |
| 08/04/2005 | DE10015568B4 Kiesbettreaktor zur biologischen Behandlung von Haushaltsabwässern Gravel bed reactor for biological treatment of domestic sewage |
| 08/04/2005 | CA2552780A1 Water treatment by activated sludge |
| 08/03/2005 | EP1559688A1 A method for the degradation of organic sludge |
| 08/03/2005 | EP1559687A1 Waste water treatment |
| 08/03/2005 | EP1559686A1 Clarification device with outlet device for clarified water |
| 08/03/2005 | EP1559683A2 Method for cleaning water and filter combination |
| 08/03/2005 | EP1559472A1 Water filtration using immersed membranes |
| 08/03/2005 | EP1558530A1 Apparatus and methods for purifying a waste influent material |
| 08/03/2005 | EP1558529A1 Apparatus, system and mehtod for treating waste material |
| 08/03/2005 | CN2714557Y Ecological interception channel for farmland |
| 08/03/2005 | CN2714556Y Sewage nutrient removing device for integrated circulating fluidized bed |
| 08/03/2005 | CN2714555Y Connection device for microporous aeration pipe |
| 08/03/2005 | CN2714554Y Variable microporous aeration hose pipe |
| 08/03/2005 | CN2714553Y Groove-shaped pump-type water decanting device |
| 08/03/2005 | CN2714552Y Unpowered automatic water decanter |
| 08/03/2005 | CN2714548Y Combined biochemical oil water separator |
| 08/03/2005 | CN1648075A Resource process for percolation liquid of city life garbage landfill |
| 08/03/2005 | CN1648074A Water directly purifying method for ground water |
| 08/03/2005 | CN1648073A Artificial wet land treating method and its equipment for life waste water |
| 08/03/2005 | CN1648072A Water purifying stone cage and method for stone cage water purification |
| 08/03/2005 | CN1648071A Separated membrane biological reactor |
| 08/03/2005 | CN1648070A Method for preparing controlled release high molecular carbon source material for biological method to treat water |
| 08/03/2005 | CN1648069A Horizontal integrated three phase inner circulation fluidized reactor and its biological reaction process |
| 08/03/2005 | CN1648061A Integrated light catalytic waste water processing device by membrane method |
| 08/03/2005 | CN1212980C Equipment for cleaning water at water inlet of water works |
| 08/03/2005 | CN1212977C Drain treating method, drain treating device and drain treating system |
| 08/03/2005 | CN1212876C Improved filtration device for a waste water treatment system |
| 08/02/2005 | US6923914 Especially removing heavy metal impurities from surface water, groundwater and soil |
| 08/02/2005 | US6923913 Seaweed-based product for treating liquid waste, together with method for making and using the seaweed-based product |
| 08/02/2005 | US6923912 A simple sugar accelerates phenoloxidase production which break down lignin; conversion cellulose and hemi-cellulose to glucose |
| 08/02/2005 | US6923906 Apparatus to establish and optimize sedimentation and methane fermentation in primary wastewater ponds |
| 08/02/2005 | US6923905 Apparatus for subsurface aerated treatment of wastewater |
| 07/28/2005 | WO2005068737A1 Pipe for transporting water to be rendered drinkable, installation, and corresponding method and use thereof |
| 07/28/2005 | WO2005068380A1 A-sbr apparatus for removing nitrogen and phosphorous in sewage/waste water |
| 07/28/2005 | WO2005068379A1 Wastewater cleaning system |
| 07/28/2005 | US20050161838 Stirring and aerating device for activated sludges |
| 07/28/2005 | US20050161409 Mixing, aeration or oxygenating apparatus |
| 07/28/2005 | US20050161398 utilizes aerobic bacteria in two separate compartments (the trash tank and the mix liquor compartment) to break down and digest waste; |
| 07/28/2005 | DE10361196A1 Anaerobic waste water treatment plant with low-pressure distillation discharges gas to external gas cooler |
| 07/28/2005 | DE10359610A1 Bacterial isolate of Klebsiella terrigena or Serratia species is used for decontamination of samples, e.g. soil or water from hazardous waste site or industrial waste liquor, contaminated with nitroaromatics, especially trinitrotoluene |
| 07/28/2005 | DE102004027786A1 Water treatment assembly for ornamental ponds, aquaria or drinking water has omni-directional ultraviolet light emitter directed at water cascade |
| 07/27/2005 | EP1173271B1 Gas/liquid mixing method |
| 07/27/2005 | CN2712917Y Multi stage type biological purification apparatus for sewage from river channel |
| 07/27/2005 | CN2712916Y Box type sewage microbiological treatment and purification apparatus |
| 07/27/2005 | CN2712915Y Water purifying aerating device |
| 07/27/2005 | CN2712914Y Sewage counteraction and sterilization system |
| 07/27/2005 | CN1646982A Water clarifying agent inducing catalytic reaction and method of clarifying water through activation of microorganism |
| 07/27/2005 | CN1644674A Membrane forming bacteria agent for biologic membrane and method for structuring and analyzing membrane |
| 07/27/2005 | CN1644538A Organic refuse and fecal separating and collecting treatment |
| 07/27/2005 | CN1644537A Polyether polyatomic alcohol producing sewage recovering and utilizing treatment |
| 07/27/2005 | CN1644535A Applying method for purifying water quality technology by netting case grass planting method |
| 07/27/2005 | CN1644534A Method for treatig waste water containing chromium with aquatic plant |
| 07/27/2005 | CN1644533A Biological adsorbing sightscene floative bed for treating water body as sightscene |
| 07/27/2005 | CN1644532A Composite medicament for preventing membrane pollution |
| 07/27/2005 | CN1644531A Bionical plant purifying method for polluted river water |
| 07/27/2005 | CN1644530A Point compensated linear aerating pipes |
| 07/27/2005 | CN1644529A Fully biological treatment of wastewater of nitrobenzol or aniline or their mixture |
| 07/27/2005 | CN1644517A Method and system for self purification of penetrated liquid from garbage buried site by recirculation |