Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 3 - Biological treatment of water, waste water, or sewage
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
11/1996
11/27/1996EP0559857B1 Aerator for a liquid-filled basin
11/27/1996CN2241014Y Rotary spray aerator
11/26/1996US5578488 Method of microbially degrading trinitrotoluene
11/26/1996US5578487 Methods for dispersing hydrocarbons using autoclaved bacteria
11/26/1996US5578214 Microorganisms deposited on vinylidene chloride fillers with circulatiom of fluids
11/26/1996US5578211 Controlling methane and hydrogen sulfide in pipes of sewage processing system, microbes to displace sulfur reducing bacteria
11/26/1996US5578210 Dehalogenation
11/26/1996US5578202 Water processing system for highly contaminated water
11/26/1996US5578200 Sewage treatment system
11/26/1996CA2034086C Floating aerator arrangement
11/21/1996WO1996036569A1 Use of mannanases as slime control agents
11/21/1996WO1996036568A1 Method for removing soluble metals from an aqueous phase
11/21/1996WO1996036567A1 Reactor for implementing chemical reactions involving a biomass
11/21/1996WO1996036424A1 Process and facility for purifying exhaust air, exhaust gases and waste water from a wood processing facility
11/21/1996DE19533631C1 Submerged floating bed bio-reactor for cleaning pretreated waste water
11/21/1996CA2215635A1 Use of mannanases as slime control agents
11/20/1996EP0743285A2 Process for aerating liquid manure in a basin and aerating device for carrying out the same
11/20/1996CN1136284A Gas introduction device
11/20/1996CN1136021A Floating filler support
11/19/1996US5575998 Mixture of microorganisms, its use for the biodegradation of hydrocarbons, as well as process for its application
11/14/1996WO1996035644A1 Novel method for the control of biodegradation
11/14/1996WO1996035643A1 Treatment system for treating waste water
11/14/1996WO1996035641A1 Waste water treatment process for producing high yields of drinking water
11/14/1996DE19517473A1 Verfahren zur Abwasseraufbereitung unter Gewinnung von Trinkwasser in hohen Produktausbeuten Process for wastewater treatment under production of drinking water in high product yields
11/13/1996EP0741671A1 Biodegradation of methanesulfonic acid
11/13/1996EP0700476A4 Improvements in bioremediation of hydrocarbon contaminated soils and water
11/13/1996EP0688303B1 Improved method for purifying waste water using activated sludge to increase purification yields
11/13/1996CN1135466A Microbiological stable agent for purifying water
11/12/1996US5573795 Waste water from potato processing, heat treatment, treatment with protease, concentration
11/12/1996US5573671 Method of and apparatus for water purification
11/12/1996US5573670 Method for treatment of waste water by activated sludge process
11/10/1996CA2176059A1 Method of improving the purification efficiency of biologically aerated ponds for purification of waste water
11/07/1996WO1996034841A1 Method and device for a combined treatment of domestic sewage and domestic biodegradable garbage
11/07/1996WO1996031610A3 Exopolysaccharide degrading enzyme and use of the same
11/07/1996DE19616914A1 Collapsible umbrella aerator passing through small openings in large tanks
11/07/1996DE19516395A1 Waste water assembly aerators used alternately as air inlet and water filter outlets
11/06/1996EP0741112A2 Water aerator
11/06/1996EP0741111A2 Apparatus and method for purifying polluted water
11/06/1996EP0648191B1 Reactor for the biological treatment of water
11/06/1996EP0639159B1 Apparatus and process for removal of pollutants from waste water
11/05/1996US5570973 Decontamination of bacteria from soils by inoculation of cells on porous support spheres and pressurization to fracture
10/1996
10/30/1996EP0739860A1 Process and apparatus for the biological treatment of waste water
10/30/1996EP0739859A1 Apparatus and method for waste water treatment using charcoal biologically activated
10/30/1996EP0739416A1 Enzyme based bioremediation
10/30/1996EP0625127B1 Reactor for the biological treatment of waste water
10/30/1996CN2238832Y Efficient integral low-concentration treatment device for organic waste water
10/30/1996CN2238831Y Suspension biomembrance adhesion medium
10/29/1996US5569634 Porous bodies
10/29/1996US5569596 Treating water stream containing hexavalent chromium with specific mutant strain of shewanella algae in presence of electron donors to precipitate trivalent chromium, separation
10/29/1996US5569376 Flow augmenting devices for a wastewater treatment plant
10/29/1996US5569180 Method for delivering a gas-supersaturated fluid to a gas-depleted site and use thereof
10/24/1996WO1996033136A1 Waste water treatment plant
10/24/1996DE19514931A1 Bio-reactor for aerobic treatment of waste water combines aeration with migrating bed
10/24/1996DE19514781A1 Suppressing phosphate formation in sewage treatment without chemical pptn.
10/23/1996EP0738688A1 Apparatus for the biological treatment of liquids, specially waste water
10/23/1996EP0738687A1 Waste water treatment plant
10/23/1996EP0738238A1 Process for the wet-oxidising treatment of organic pollutants in waste water
10/23/1996EP0641295B1 Device for the purification of waste water
10/23/1996CN1134119A Method and apparatus for recovering water from sewer main
10/23/1996CN1133823A Biological adaptive color elastic corrugated 3-D filler
10/22/1996US5567451 Alginate or pectate gel deficient in gelling ions for use in binding metal ions
10/22/1996US5567325 Thermophilic digestion of chitin-containing waste
10/22/1996US5567324 Method of biodegrading hydrophobic organic compounds
10/22/1996US5567314 Apparatus for biologically treating lipid-containing waste water
10/22/1996CA2174601A1 Device for the biological treatment of liquids, especialy waste waters
10/21/1996CA2147393A1 Diffuser airation
10/17/1996WO1996032357A1 Anaerobic zone for metals precipitation and denitrification
10/17/1996WO1996032177A1 Settling device for a fluid containing liquid, gas and particulate material, as well as a cleaning device provided herewith and a method for cleaning waste water
10/17/1996WO1996032016A1 Methods of promoting phytoremediation
10/17/1996DE19512965A1 Bioreactor for treatment of oil-polluted waste water with reactor vessel contg. micro-organism supports
10/16/1996EP0737650A2 Method and plant for treating water for drinking or for industrial use
10/16/1996EP0737418A2 Floating island with water-purifying effect, plant-cultivation bag and method for purifying water
10/16/1996EP0737246A1 BACTERIAL STRAINS OF GENUS $i(BACILLUS) CLOSELY PHENOTYPICALLY RELATED TO GENUS $i(LACTOBACILLUS), CULTURE METHOD AND USE
10/16/1996EP0737089A1 Launder cover for use in a clarifier tank
10/16/1996CN2237638Y Machine for purifying water and oxygenating in water
10/16/1996CN1133614A Method for the rehabilitation of soil contaminated by hydrocarbons and other biodegradable substances
10/15/1996US5565166 Tube unit and process for its fabrication
10/15/1996US5565103 Trapping, holding fine solids with separators immersed within flowing fluid; water pollution control
10/15/1996US5565098 Reactor for the biological treatment of water
10/15/1996US5565096 Natural filter for ecological system
10/15/1996US5564828 Method and device for controlled motion of water in water basins
10/10/1996WO1996031610A2 Exopolysaccharide degrading enzyme and use of the same
10/10/1996WO1996031439A1 Sewage and contamination remediation and materials for effecting same
10/10/1996WO1996031438A1 Process and device for conveying liquids or liquids mixed with gaseous and/or solids materials
10/10/1996WO1996031437A1 Effluent treatment system
10/10/1996WO1996031266A1 Self-cleansing filter
10/10/1996DE19513333A1 Verfahren und Einrichtung zum Fördern von Flüssigkeiten oder von mit gasförmigen und/oder mit festen Stoffen versetzten Flüssigkeiten Method and apparatus for conveying liquids or gaseous and / or mixed with solids liquids
10/10/1996DE19513166A1 Cleaning of sewage
10/10/1996CA2217480A1 Self-cleansing filter
10/10/1996CA2217449A1 Effluent treatment system
10/10/1996CA2215996A1 Exopolysaccharide degrading enzyme and method of use
10/09/1996EP0736494A2 Method and means for phytopurifying bodies of waters and coast embanking and consolidation
10/09/1996EP0736322A1 Apparatus for introducing a gas into a liquid
10/09/1996EP0735987A1 Method for cleaning contaminated water
10/09/1996EP0735986A1 Wastewater treatment
10/09/1996EP0577713B1 Cyclone with double acting extraction system
10/09/1996CN2237041Y Suspended filling rack
10/09/1996CN1032966C Process for sewage disposal from wool dyeing and printing by electrlyzation-catalytic oxidation
10/08/1996US5562759 Gas collection system for anaerobic ponds
10/03/1996WO1996030308A1 Method and apparatus for treating wastewater
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