| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 09/28/2005 | EP1580168A1 Aquarium-cleaning device utilizing formed charcoal |
| 09/28/2005 | EP1579116A2 Water circulation systems for ponds, lakes, and other bodies of water |
| 09/28/2005 | EP1578697A1 Method for the removal of heavy metal ions from highly-concentrated solutions containing heavy metal ions |
| 09/28/2005 | EP1578696A1 Waste activated sludge anaerobic contact waste stream treatment process |
| 09/28/2005 | EP0968137B1 Wastewater treatment plant for olive oil processing effluents comprising a rotating biological contactor with the addition of linear or circular motion |
| 09/28/2005 | CN2729181Y Reniforced concrete combined septic-tank and sub-tank equipped with it |
| 09/28/2005 | CN2729057Y Improved pipe millipore aeration apparatus |
| 09/28/2005 | CN1674976A 带状扩散器pcti Strip diffuser pcti |
| 09/28/2005 | CN1673128A Domestic sewage deeply treating process |
| 09/28/2005 | CN1673127A BCB combination process of treating organic waste water |
| 09/28/2005 | CN1673122A Efficient ecological waste water treating apparatus and method |
| 09/28/2005 | CN1673121A Method and apparatus of removing nitrogen |
| 09/28/2005 | CN1673120A Biochemical city sewage denitriding and dephosphorizing method in suspension stuffing bed |
| 09/28/2005 | CN1673119A Biological purifying process of seriously polluted river water |
| 09/28/2005 | CN1220543C Bioactive filtering material for water treatment and baking technology thereof |
| 09/27/2005 | US6949191 compact, household system for above ground discharge |
| 09/27/2005 | US6949187 Wastewater treatment apparatus and system |
| 09/25/2005 | CA2464255A1 Recycled tire sewage treatment apparatus and method |
| 09/22/2005 | WO2005087939A1 Method for effecting the anaerobic biological decomposition of organosiloxanes |
| 09/22/2005 | WO2005060425A3 Membrane modules and integrated membrane cassettes |
| 09/22/2005 | US20050208642 System and method for cleaning contaminated matter comprising dioxins and preparation for decomposing dioxins |
| 09/22/2005 | US20050207949 Gas processing device and combustion efficiency improving device for engines |
| 09/22/2005 | US20050205491 For the treatment of sewage via biological processes in on-site systems |
| 09/22/2005 | US20050205490 Municipal wastewater treatment apparatus and process with a continuous feed and cyclic aeration |
| 09/21/2005 | EP1577269A1 Zeolite in biogas winning |
| 09/21/2005 | EP1089808B1 Dual diffuser assembly |
| 09/21/2005 | CN2727166Y Swirl mixed strong cyclic aerator |
| 09/21/2005 | CN2727165Y 好氧生活污水净化装置 Aerobic sewage purification device |
| 09/21/2005 | CN2727164Y Diaphragm micro-pore aerator capable of preventing overpressure |
| 09/21/2005 | CN2727163Y Compound-leaf impelling submersible aerator |
| 09/21/2005 | CN2727162Y High efficiency ultrasonic oily water treatment device by using membrane biological reaction |
| 09/21/2005 | CN2727161Y Cage type elastic stereoscopic water treatment suspension filling |
| 09/21/2005 | CN2727160Y Mobile micro-pore aerator integrated device |
| 09/21/2005 | CN2727159Y Combined type bioreactor |
| 09/21/2005 | CN1671630A Method for treating an effluent in three biological steps |
| 09/21/2005 | CN1671626A Treating micro-organisms in water using boron conditioned enzymes |
| 09/21/2005 | CN1669957A Municipal wastewater treatment apparatus and process with a continuous feed and cyclic aeration |
| 09/21/2005 | CN1669952A Biological method for treating synthetic pharmaceutical waste water by specific strain |
| 09/21/2005 | CN1669951A Industrial methane utilization method |
| 09/21/2005 | CN1669950A Integrated treatment process for urban sewage and domestic refuse |
| 09/21/2005 | CN1669949A Bioreactor for sewage treatment |
| 09/21/2005 | CN1669948A Combined self-refluxing denitrogenating biological turntable |
| 09/21/2005 | CN1669946A Sewage treatment device with biological granulating fluidized bed |
| 09/21/2005 | CN1669941A Process for treating petrochemical wastewater |
| 09/21/2005 | CN1219710C Automatic deaerating method of biofilter |
| 09/21/2005 | CN1219709C Ceramic particle for waste water treatment and its production technology |
| 09/21/2005 | CN1219708C Sewage treating method and apparatus with three-phase biological fluidized bed reactor |
| 09/21/2005 | CN1219571C Incorporated double settling zone tridimensional circulating oxidation ditch facility and method of operating thereof |
| 09/20/2005 | US6946248 Microorganisms comprising 16s ribosomal subunit nucleic acid for the bioremediation of haloaromatic compounds; detoxification |
| 09/20/2005 | US6946074 Using activated sludge |
| 09/20/2005 | US6946073 Method for treating wastewater in a membrane bioreactor to produce a low phosphorus effluent |
| 09/20/2005 | CA2366252C Diffused aeration system |
| 09/20/2005 | CA2190033C Treatment of phosphorus in water |
| 09/15/2005 | WO2005063011A3 Method and apparatus for biosustaining waste activated vermicular environment |
| 09/15/2005 | WO2005044089A3 High resolution metabolic brain |
| 09/15/2005 | US20050199558 For depleting or enriching liquid or gas with substances; convection |
| 09/15/2005 | US20050199547 From biological oxidation and sewage water treatment by adjusting pH to 8-14, heating to 110-250 degrees C at pressure equal to or higher than saturated steam pressure to solubilize sludge to a readily biodegradable state, returning sludge to the biological oxidizing tank, and adjusting the pH to 5-9 |
| 09/15/2005 | US20050199539 Remediation of metal contaminants with hydrocarbon-utilizing bacteria |
| 09/15/2005 | DE102004010188A1 Verfahren zur Wasseraufbereitung von Bewegungs- und Therapiebecken für Tiere Water treatment process of movement and therapy pool for Animals |
| 09/15/2005 | DE102004009559A1 Membranbioreaktor und Verfahren zur Reinigung von Abwässern Membrane bioreactor and method for the purification of waste water |
| 09/15/2005 | DE102004009491A1 On-board ship process to purify effluent water is treated in a settlement tank followed by nitrification and de-nitrification |
| 09/14/2005 | EP1574482A1 Capacity measurement of an anaerobic sludge bed reactor |
| 09/14/2005 | EP1574481A1 Purification plant |
| 09/14/2005 | CN2725288Y Anaerobic aerobic integrated fixed bed biological membrane reactor |
| 09/14/2005 | CN2725287Y Anaerobic deflecting plate reactor |
| 09/14/2005 | CN2725286Y Integration effluent bioreactor |
| 09/14/2005 | CN2725285Y Automated sequential reaction device used for aerobic granutar sludge culture and research |
| 09/14/2005 | CN2725284Y Secondary rade water draining biological reinforced ultra filtering system |
| 09/14/2005 | CN1668539A Method and facility for treatment of sludge derived from biological water purification facilities |
| 09/14/2005 | CN1668537A A method for comprehensive treatment of high-concentration organic wastewater |
| 09/14/2005 | CN1668536A A method for comprehensive treatment of wastewater |
| 09/14/2005 | CN1668535A Compositions for removing hydrocarbons and halogenated hydrocarbons from contaminated environments |
| 09/14/2005 | CN1666962A Method for treating domestic sewage by employing high strong-magnetic separation technology |
| 09/14/2005 | CN1218887C Sequential batch type method and equipment for treating wastewater by using biologic dephosphorization and intermittent aeration continuously |
| 09/14/2005 | CN1218773C Biological filler and preparing method and apparatus constructed thereof and use |
| 09/13/2005 | US6942800 Septic system treatment process |
| 09/13/2005 | US6942799 Bioreactor |
| 09/13/2005 | US6942798 a liquor containing a digestible biomass is processed a retort vessel at a thermophilic temperature and with a vacuum pressure at the surface of the liquor; pressurized feedstock is introduced in a manner which breaks up any scum on the surface |
| 09/13/2005 | US6942788 Growth media wastewater treatment reactor |
| 09/09/2005 | WO2005082796A2 Installation and method for the treatment of sewage sludge, and membrane unit |
| 09/09/2005 | WO2005082795A1 Sludge elimination system |
| 09/09/2005 | WO2005082794A1 Method for treating water from displacement and therapy basins |
| 09/09/2005 | WO2005082792A1 Method of nitrifying ammonium-nitrogen-containing water and method of treating the same |
| 09/09/2005 | WO2005081641A2 Water purification method and purification system |
| 09/09/2005 | CA2594799A1 A membrane unit and equipment for wastewater clarification with a membrane unit and a method for the operation of such equipment |
| 09/08/2005 | US20050194311 Biological process for waste treatment and energy production |
| 09/08/2005 | US20050194310 Zero excess sludge membrane bioreactor |
| 09/08/2005 | DE102004005735A1 Purification of waste water comprises feeding water from buffer tank into sequencing batch reactor, activated sludge being recirculated from reactor into buffer tank or clarification tank mounted in front of it |
| 09/07/2005 | EP1571202A1 PVA-decomposing bacteria and method for decomposing PVA |
| 09/07/2005 | EP1571129A1 Method and system for processing biowaste |
| 09/07/2005 | CN2723439Y Aeration rotary disc sheet |
| 09/07/2005 | CN2723438Y Jet flow type combined gas and water distributor |
| 09/07/2005 | CN2723437Y High efficiency nitration reactor |
| 09/07/2005 | CN1665396A Functional water with deodorization activity and sterilization activity against multi-drug resistent bacteria, and a preparation method thereof |
| 09/07/2005 | CN1664444A Low quality rubbish incinerator and low quality refuse burning system with generating equipment |
| 09/07/2005 | CN1663919A Method and device for treatment of organic waste water |
| 09/07/2005 | CN1217866C Alcohol type fermenting organism desulfurization method for treating sulfate organic wastewater |
| 09/07/2005 | CN1217865C Three-phase separation device for treating waste water and sludge |
| 09/07/2005 | CN1217753C Method for repairing arsenium contaminated environment |
| 09/06/2005 | US6939462 Wastewater trickle tower biomedia with casing |