| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 06/08/2005 | CN1623928A Method for treating refuse percolation by microbiobacterial agent and its resource product |
| 06/08/2005 | CN1623927A Method and apparatus of authigenic dynamic film filter member |
| 06/08/2005 | CN1205363C Composite elastic filament and its processing method |
| 06/08/2005 | CN1205135C Technique for treating wastewater by using microorganism |
| 06/08/2005 | CN1205129C Equipment for treating sewage |
| 06/08/2005 | CN1204961C Air diffuser and flushing method thereof |
| 06/07/2005 | US6902679 Treatment of water containing organic wastes with aromatic amine nitrate salts |
| 06/07/2005 | US6902674 Treating method for coating material waste water |
| 06/07/2005 | CA2330345C Submersible in-situ oxygenator |
| 06/02/2005 | WO2005049511A1 Method of formation/recovery of magnesium ammonium phosphate and apparatus therefor |
| 06/02/2005 | WO2005049502A1 Waste water treating system for treating waste water after biogas is produced |
| 06/02/2005 | WO2004103511A3 Submerged ammonia removal system and method |
| 06/02/2005 | US20050115900 Cyclic aeration system for submerged membrane modules |
| 06/02/2005 | US20050115899 Membrane bioreactor having single header membrane module |
| 06/02/2005 | US20050115896 Utilizing noncorrosive metal wound spheres colonized by microorganisms present in nuclear pools; biofilm formation retaining hazardous waste material for removal |
| 06/02/2005 | US20050115895 Composition for odor control |
| 06/02/2005 | US20050115894 Supplying sewage into holding atnks; releasing live fish iwhich consume sewage into nto tank; accumulation of layer of sediment; animal feeds |
| 06/02/2005 | US20050115893 Controlled eutrophication system and process |
| 06/02/2005 | US20050115892 Simple equipment, low cost, fast; continuous microfungi culturing |
| 06/02/2005 | US20050115891 Device and method for cleaning a fluid, such as water |
| 06/02/2005 | US20050115880 Methods and apparatus for biological treatment of waste waters |
| 06/02/2005 | DE10351821A1 Treatment of flowable media, especially water treatment, uses upward flow through an inclined filter which can be switched to a downward backwash rinsing mode |
| 06/02/2005 | DE10351566A1 Containerized, multi-compartment wastewater treatment plant, includes machine room and activated sludge plant with membrane filter and detachable cover |
| 06/02/2005 | DE10026867B4 Reaktor und Verfahren für die Abwasserreinigung Reactor and method for wastewater treatment |
| 06/01/2005 | EP1535883A1 Method for purifying wastewater with material containing urease enzymes |
| 06/01/2005 | EP1534637A1 Method for eliminating oil and fat or pollutants containing oil and fat |
| 06/01/2005 | EP1534631A1 Method for the production of highly organized crystals by means of sol-gel methods |
| 06/01/2005 | EP1432535B1 Method for processing waste products and corresponding processing plant |
| 06/01/2005 | EP1412293A4 Apparatus and method for wastewater treatment with enhanced solids reduction (esr) |
| 06/01/2005 | CN2702991Y Polluted water body biological purification net bed |
| 06/01/2005 | CN1622921A Wastewater treatment apparatus and method for removing nitrogen and phosphorus |
| 06/01/2005 | CN1621520A 2-amino phenol 1, 6-dioxygenase, its gene and use thereof |
| 06/01/2005 | CN1621519A Method for preparing pycnoporus samguineus GW fungal laccase |
| 06/01/2005 | CN1621364A Organic waste water treatment process |
| 06/01/2005 | CN1621361A Biological treatment method for soil |
| 06/01/2005 | CN1621360A Self-closing perforated aeration pipe |
| 06/01/2005 | CN1621359A Method and apparatus for on-line ultrasonic cavitation cleaning of membrane bioreactor |
| 06/01/2005 | CN1204063C Biological purification of water to any degree up to drinking water |
| 06/01/2005 | CN1204062C Process for waste water treatment using intermittently decanted extended aeration process |
| 06/01/2005 | CN1204061C Method and apparatus fro wastewater treatment |
| 05/31/2005 | US6899812 For continuous processing for filtering water containing low concentrations of solids, for example for producing potable water |
| 05/26/2005 | WO2005047452A1 Bioreactor |
| 05/26/2005 | WO2005047195A1 Wastewater treatment apparatus comprising removable diffuser |
| 05/26/2005 | WO2005047187A2 Biologically active reactor system and method for treating wastewater |
| 05/26/2005 | US20050112740 Recirculation of metals from aqueous solution containing water insoluble oxides, hydroxides |
| 05/26/2005 | US20050109697 Mixing with electrolyte; mixing with gas bubbles; separation; applying aerobic bacteria |
| 05/26/2005 | US20050109694 Method and system for treating wastewater containing organic compounds |
| 05/26/2005 | US20050109692 Apparatus and method for cleaning membrane filtration modules |
| 05/26/2005 | US20050109687 Treating apparatus for organic waste |
| 05/25/2005 | EP1533278A2 Biological waste water treatment plant with trickling filter |
| 05/25/2005 | EP1533277A2 Process for treating waste water containing a resin |
| 05/25/2005 | EP1533276A2 A waste water clarification system |
| 05/25/2005 | EP1533275A1 Ecological composition for treating and purifying waste water |
| 05/25/2005 | EP1326806B1 Method for effluent purification |
| 05/25/2005 | DE202005004424U1 Packing material unit used for biological treatment of water in fish- and garden ponds, comprises inner porous body surrounded by open-pore outer body |
| 05/25/2005 | DE202005003588U1 Small waste water treatment plant with primary sedimentation- and secondary treatment chambers, passes fluid through intermediate space between air line and air lift pipe |
| 05/25/2005 | CN2701857Y Fuzzy controller for short range nitration biological denitrification process by SBR process |
| 05/25/2005 | CN2701856Y Sewerage treatment equipment for eliminating harmful substance in industrial sewage and domestic sewage |
| 05/25/2005 | CN2701855Y Mesh-screen type spinning swing biological filler |
| 05/25/2005 | CN2701854Y Vertical sewage treater |
| 05/25/2005 | CN2701853Y Vertical sewage treatment plant |
| 05/25/2005 | CN2701852Y Vertical sewage treatment plant |
| 05/25/2005 | CN2701851Y Diversion aeration biological filter |
| 05/25/2005 | CN2701846Y Filling material for water treatment |
| 05/25/2005 | CN1618953A Sphingol monospore bacterial strain and its application in anthraquinone dye waste water decolour |
| 05/25/2005 | CN1618744A River late water purification method and its special flowing aeration equipment |
| 05/25/2005 | CN1203011C Process for treatment of waste water containing ammonia |
| 05/25/2005 | CN1203010C Channel-type bioreactor for purifying organic effluent |
| 05/25/2005 | CN1203009C Functional ceramsite carrier and its fixed microorganism sewage treating technology |
| 05/25/2005 | CN1203008C Sewage treatment bioreactor |
| 05/24/2005 | US6896806 Biological process for color reduction of pulp and paper effluent |
| 05/24/2005 | US6896805 Marsh cell adapted to contain media that supports plants having roots |
| 05/24/2005 | US6896804 Sewage treatment apparatus for biodegrading animal waste from agricultural operations, using microalgae to produce oxygen for biochemical oxygen demand; automatic system including algae culturing, distribution |
| 05/24/2005 | US6896800 Metal containing waste water treatment method and metal containing waste water treatment equipment |
| 05/19/2005 | WO2005045002A2 Nitrite-oxidizing bacteria and methods of using and detecting the same |
| 05/19/2005 | WO2005044742A1 Process for the biological treatment of sulphur salts |
| 05/19/2005 | WO2005044740A1 Method for biologically purifying waste water |
| 05/19/2005 | WO2005044089A2 High resolution metabolic brain |
| 05/19/2005 | WO2004099083A3 A system and method for treating wastewater using coir filter |
| 05/19/2005 | US20050103696 Sewage treatment plant |
| 05/19/2005 | DE20122384U1 Treatment of waste water, especially highly concentrated problem waste water, e.g. refuse tip percolate, involves anaerobic biodegradation in anaerobic digester with addition of dewatered sludge from aerobic zone |
| 05/19/2005 | DE102004045318A1 Solution for treating a sludge, is formed by supplying a work material and at least one solvent to a preparation vessel, and dosing in a powder material |
| 05/18/2005 | EP1531123A2 Method and installation for the treatment of soil water from ships |
| 05/18/2005 | CN2700320Y Integrative digestion tower |
| 05/18/2005 | CN2700319Y Multi rotational flow adaptive multicycle anaerobic reactor |
| 05/18/2005 | CN2700318Y Improved jet aerator |
| 05/18/2005 | CN2700317Y Modified suspended filling material |
| 05/18/2005 | CN2700316Y Buried aerating biological filtering pot |
| 05/18/2005 | CN1616360A Process for preparing water treatment biological filler |
| 05/18/2005 | CN1616301A Process and assembly for the treatment of waste water on ships |
| 05/18/2005 | CN1202032C Anaerobic and aerobic flocculation precipitation sewage treatment process |
| 05/18/2005 | CN1202031C Waste water treatment system adopting intermittent aeration, contact oxidation and biological assorption |
| 05/18/2005 | CN1202026C Efficient biochemical treamtent method equipment for domestic sewage |
| 05/18/2005 | CN1202025C Process for preparing hydrophilic elastic plastic filler for treating water |
| 05/18/2005 | CN1202024C Waste treatment system |
| 05/18/2005 | CN1202023C Method and equipment for water treatment of flow through type membrane biological reactor |
| 05/18/2005 | CN1202019C Waste brick application in waste water treatment |
| 05/18/2005 | CN1201843C Mud-scraping suction dredge and solid-liquid separating process thereof |
| 05/17/2005 | US6893567 Prenitrification elimination of ammonia and bicarbonate alkalinity; precipitating soluble phosphate with alkaline earth base |
| 05/17/2005 | US6893565 System and process for treating carbonaceous wastes |