Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
11/2006
11/02/2006US20060243662 Composition and method for treating groundwater contamination
11/02/2006US20060243661 Anaerobic bioreactor, an aerobic bioreactor disposed rearwardly of the anaerobic bioreactor, and a membrane separation reactor disposed rearwardly of the aerobic bioreactor; capable of removing organic pollutants in wastewater through biological treatment and separating solid from the liquid by membrane
11/02/2006US20060243660 oxidation of the sulfur compounds contained in organic wastewater to sulfur, then subjecting the organic wastewater to an anaerobic process and controlling the feed rate of oxidizers using concentration of residual oxidizers and/or concentration of hydrogen sulfide in the biogas generated, as indicators
11/02/2006US20060243659 Floating wetland structures for use in water remediation
11/02/2006EP1717208A1 Device for fluid treatment, in particular for waste water treatment, with a stack of discs
11/02/2006EP1717207A1 Water purification solid material produced from natural raw material whose main component is polysaccharide and method of water purification therewith
11/02/2006DE202006011984U1 Carrier element formed as hemispherical shell for the biological cleaning of waste water in clarifier, comprises inner-lying lamellae arranged in stretched open hollow body to enlarge abrasion-resistance biofilm growing surface and opening
11/02/2006DE10356681B4 Vorrichtung zur Aufbereitung von Grundwasser zu Trinkwasser und Verfahren zu deren Verwendung Apparatus for treatment of ground water to drinking water and methods of use thereof
11/02/2006CA2606062A1 Method for purifying effluent in an anaerobic reactor
11/02/2006CA2506038A1 Treatment of wastewater containing phosphorous and nitrogen
11/01/2006CN2832807Y Device for treating garbage leachate in domestic garbage burning factory
11/01/2006CN2832805Y Sewage treatment composite recycling tank
11/01/2006CN2832804Y Composite sewage treatment equipment
11/01/2006CN2832802Y Static pressure type decanter
11/01/2006CN2832799Y Modular complete water treatment test system
11/01/2006CN1854084A Plastic filtering material for wastewater treatment
11/01/2006CN1282803C Aquatic ecology reconstruction method in estuary region
11/01/2006CN1282614C Porous microbial carrier
10/2006
10/31/2006US7128839 comprising a reservoir defining a flow channel for the wastewater and a recirculating sand filter; facilitate ammonia conversion to nitrates
10/31/2006US7128830 Purifying device
10/26/2006WO2006113560A2 Low oxygen biologically mediated nutrient removal
10/26/2006WO2006111598A1 System for the simultaneous implementation of biodegradability tests
10/26/2006WO2006111571A1 Method and device for the aerobic-thermophilic stabilization and decontamination of sludge
10/26/2006WO2006111235A1 Method and system for treating and preparing water circulating in aquaculture systems
10/26/2006US20060237363 water treatment apparatus having marsh cells containing particles and plants having roots extending into the particles, pumps, reservoirs and drainds; capable of concurrent of nitrification and denitrification; bioremediation
10/26/2006DE102006019217A1 Agents added to water treatment processes, especially to suppress scum and bulked sludge formed by Nocardioform actinomycetes, contain aluminum nitrate sulfate and/or aluminum sulfate and optionally a polyelectrolyte
10/26/2006DE102005019011A1 Hoist for aeration distribution segments in waste water treatment tanks, includes extension arm fastened to guide capable of rotation about rail axis in upper position
10/26/2006CA2505424A1 Decanter linkages arms and limit switches
10/25/2006EP1714946A2 Apparatus and process for the biological treatment of waste water
10/25/2006EP1713957A2 Flow-through oxygenator
10/25/2006EP1404620B1 Electromechanical aerator for aeration of liquids
10/25/2006CN2830391Y Bamboo tube-made biological chinampa device
10/25/2006CN2830390Y Inner cell carbon source denitrogenation appts. for sewage
10/25/2006CN2830389Y Integral non-woven fabric biological reactor
10/25/2006CN1852761A Method for avoiding clogging of filtration membranes
10/25/2006CN1850853A Pollution-free production method for processing saponin from dioscorea zingibernensis
10/25/2006CN1850660A Improved composition of base of aquatic cultivation pool
10/25/2006CN1850659A Method for constructing inorganic artificial article floating island
10/25/2006CN1850658A Drink-water biological treatment method of realizing synchronous nitration and counter nitration
10/25/2006CN1850657A Control apparatus and method for pulse water-feeding SBR deep denitrogenation process and course
10/25/2006CN1850656A Method for treating phenol-contained waste water by anaerobic-aerobic coupled biological fluidizing bed
10/25/2006CN1850655A Baffle-board reactor and method for treating sewage by using it
10/25/2006CN1850654A APMP pulp-making waste-water anaerobic treatment process
10/25/2006CN1850653A Water treatment biological carrier and making method therefor
10/25/2006CN1850652A Aeration-free drifting-biological-filler water treatment apparatus
10/25/2006CN1850651A Semi-submergence type sewagte biological contacting oxidation prool and sewage treatment method
10/25/2006CN1850635A High-salt epoxy resin production waste-water film integrated salt recovery and biochemical treatment method
10/25/2006CN1850632A Method for inhibiting red tide algae by ulva and its use
10/25/2006CN1850631A Method for preparing inhibitor of skeletonema costatum (greville) cleve
10/25/2006CN1850630A Method for preparing enteromorpha extract for inhibiting red tide algae and its use
10/25/2006CN1850629A Method and use for inhibiting red tide algae by enteromorpha
10/25/2006CN1850365A Garbage comprehensive treatment method and apparatus
10/25/2006CN1281526C Method and device of disintegration of anaerobically digested sewage sludge
10/25/2006CN1281524C Process for treatment of waste water containing heavy metals
10/25/2006CN1281523C Domestic sewage treatment method by intermittent aeration contact oxidation process
10/25/2006CN1281522C System for treating waste water containing organic contamination
10/25/2006CN1281521C Speed changing ascending flow anaerobic treatment method
10/25/2006CN1281520C Asymmetrical type surface aerating propeller
10/25/2006CN1281519C Sewage treatment method using active sludge-biological filtering pond revere flow and integral device
10/25/2006CN1281518C Sewerage treatment method by using precoated dynamic membrane to filter mixed liquor of activated sludge
10/25/2006CN1281345C Method for repairing soil and zinc and cadmium nollution in water using Arrow leaf violet
10/24/2006CA2216461C Process for the treatment of gases
10/22/2006WO2006111572A1 Method for the aerobic-thermophilic stabilization and decontamination of sludge
10/19/2006WO2006109715A1 Method for biological disposal of organic wastewaer and biological disposal apparatus
10/19/2006WO2006108956A2 Self-contained device for biological treatment of effluents
10/19/2006WO2006108538A1 Agitating device and method for sewage treatment
10/19/2006US20060231489 Apparatus and method for performing tertiary treatment of sewage based on porous filtering media
10/19/2006US20060231488 Tubular anaerobic digester
10/19/2006DE202006013086U1 Assembly to oxygenate polluted ground water via an oxygen-permeable macro-porous membrane impermeable to the water
10/19/2006DE102005017948A1 Mobile water effluent treatment assembly is located as reactors within stacked transport containers
10/19/2006DE102005017858A1 Verfahren und Anlage zur Behandlung und Aufbereitung von Kreislaufwasser aus Aquakulturanlagen Process and apparatus for the treatment and processing of circulating water aquaculture
10/19/2006DE102005016080A1 Device for biological cleaning of wastewater, comprises reaction container which contains microorganism and has base and side walls, nozzles diagonally and horizontally arranged in the container and submerged pump to promote the wastewater
10/19/2006CA2542729A1 Device for stirring a liquid and injecting a gas into the said liquid, the said device being adapted to shallow vessels
10/18/2006EP1712526A1 Method and arrangement for wastewater purification
10/18/2006EP1712525A1 Process for biological treatment of organic waste water and apparatus therefor
10/18/2006EP1711440A1 Waste water treatment plant and method
10/18/2006EP1613418B1 Plate filtration module
10/18/2006CN2828027Y Underflow artificial wet land simulator
10/18/2006CN2828026Y Equalization water distributor
10/18/2006CN2828025Y Self-closed monofilm air diffuser
10/18/2006CN2828024Y Solar film biological reactor
10/18/2006CN2828023Y Biological active carbon fluid-bed reactor for waste water of oil field
10/18/2006CN2828022Y Tubular microporous aerator
10/18/2006CN2828021Y Vertical oxidation groove
10/18/2006CN2828020Y Multi-layer mineralized garbage bioreaction bed
10/18/2006CN1849267A Bioreactor
10/18/2006CN1847507A Energy-saving sterilizing washing method
10/18/2006CN1847170A Digital reinforced denitridation and dephosphorization method for treating city sewage
10/18/2006CN1847169A Water-treating method of twater-treating equipment, and water-treating equipment
10/18/2006CN1847165A Biochemical compound algaecide
10/18/2006CN1847159A Water treating module and water treater
10/18/2006CN1280490C Circulating water flushing ecological toilet and sewage treatment method thereof
10/18/2006CN1280212C Multi-point throwing device for throwing microbial prepn to water sludge
10/18/2006CN1280211C Method for constructing landscape ecosystem on ultrophication water body
10/18/2006CN1280210C Carbon source denitrogenation inside cells for sewage
10/18/2006CN1280209C Clarification basin membrane
10/18/2006CN1280004C Treated material stirring apparatus
10/18/2006CN1279993C Method of suspended substance separation especially sewage treatment and equipment thereof
10/17/2006CA2145227C A method for reducing slime and film formation in plants in which the water of paper and pulp machines is circulated and in plants in which cooling water is circulated
10/15/2006CA2542918A1 Apparatus and method for controlling biomass growth in suspended carrier bioreactor