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)
10/1996
10/03/1996WO1996030306A2 Biological method of waste water treatment
10/03/1996WO1996030110A1 Process for the treatment of gases
10/03/1996CA2216958A1 Method and apparatus for treating waste water
10/02/1996EP0735005A2 Process for treating recalcitrant compounds
10/02/1996EP0734288A1 Gas-introduction device
10/02/1996DE19520733C1 Botanical water treatment plant incorporates aerated sludge settlement tank
10/02/1996CN1132184A Leather waste water treatment technique
10/01/1996US5561059 Increasing the efficiency, high speed biodegradation by applying a mixture comprising an emulsifier to break down the oil particle
10/01/1996US5561056 Using surfactants
10/01/1996US5560875 Aerating device
10/01/1996US5560874 Diffuser body
10/01/1996US5560819 Treating system for organic wastes and waste water
10/01/1996CA2146062A1 A biological method of waste water treatment
09/1996
09/28/1996CA2171134A1 Carrier for immobilizing microorganisms, and method for converting nitrogen compounds in a liquid using the same
09/26/1996WO1996029290A1 Apparatus and treatment for wastewater
09/25/1996EP0733595A1 Process for multishape water treatment and plant
09/25/1996EP0733025A1 Composition and method for sewage treatment using fungal and bacterial enzymes
09/25/1996EP0732964A1 Process and agent for the decontamination by means of micro-organisms
09/25/1996EP0538350B1 Substance carrying conglomerate
09/25/1996CN2235967Y Energy-saving blowing aerating dirt-water biochemical treatment device
09/24/1996US5559029 Method of dispersing a hydrocarbon using bacteria
09/24/1996US5558774 Aerated hot membrane bioreactor process for treating recalcitrant compounds
09/24/1996US5558763 Sewage treatment system with air jetting means
09/24/1996CA2054823C Wastewater treatment
09/24/1996CA2045752C Microbes and their use to degrade n-phosphonomethylglycine in waste streams
09/19/1996WO1996028393A1 Stabilization of bio-organic sludges
09/19/1996WO1996028233A1 Method of separating solids from liquids and/or separating emulsions
09/19/1996DE19513565C1 Treatment of waste water by nitrification and denitrification
09/19/1996DE19509483A1 Responsive, on-line controlled biological purificn. system for pre-clarified waste water
09/19/1996DE19509368A1 High specific surface area medium for biomass and catalysts
09/19/1996DE19509367A1 Verfahren zur Fest-Flüssig-Trennung und/oder Emulsionsspaltung Method for solid-liquid separation and / or demulsification
09/19/1996CA2215667A1 Stabilization of bio-organic sludges
09/18/1996EP0732588A2 Method for determining the degradation of carbonaceous materials and the nitrification in biological systems
09/18/1996CN2235442Y Pure oxygen wastewater treatment equipment
09/18/1996CN1131409A Buoyant, swirlable substrate material for biotechnological processes
09/17/1996US5556779 Compounds and methods useful for reductive dehalogenation of aliphatic halocarbons
09/17/1996US5556538 Denitrification system
09/17/1996US5556536 Reduction of nitrate to nitrogen using bacteria suspended in beads sandwiched between plates
09/12/1996DE19508420A1 Responsive, on-line controlled biological purificn. system for pre-clarified waste water
09/11/1996EP0731062A2 Packing elements
09/11/1996EP0730562A1 Water filtration
09/11/1996EP0730560A1 Process for the treatment of waste water containing organic and inorganic compounds
09/11/1996CN2234951Y Uniform flow biofilter
09/11/1996CN1032737C Innocuous treatment method for city rubbish
09/10/1996US5554535 White-rot fungus and uses thereof
09/10/1996US5554291 Methods and apparatus for biodegradation of polluted fluids
09/10/1996US5554290 Conduit in injection well pumps carbohydrates and sulfates into groundwater
09/10/1996US5554289 Apparatus and method for increasing the capacity of a wastewater pond treatment facility
09/10/1996US5554280 Filter system
09/06/1996WO1996026906A1 Hybrid biological nutrient removal system
09/06/1996WO1996016908A3 Method and apparatus for sewage water treatment
09/05/1996DE19520564C1 Effluent or water denitrification process and appts.
09/04/1996EP0729917A1 Application of a process for biological denitrification of water
09/04/1996EP0643672B1 Method of controlling wastewater purification plants using quality evaluation of measuring data
09/04/1996EP0642469B1 Method of controlling wastewater purification plants using multiple control functions
09/04/1996EP0592537B1 Use of metallic peroxides in bioremediation
09/04/1996EP0542755B1 Rotating biological aquarium filter system
09/03/1996US5552319 Real time monitoring of dissolved oxygen in activated sludge,nadh metabolism, fluorescence
09/03/1996US5552061 Immersion of rotary impeller blades in liquid for circulation
09/03/1996US5552052 Method of reducing iron fouling in groundwater treatment systems
09/03/1996US5552051 Site remediation technology
08/1996
08/29/1996WO1996026161A1 Catalytic filtering material for water purifier of catalytic oxidation type
08/29/1996WO1996026160A1 Purification system for raw water, in particular for waste water
08/28/1996EP0728706A1 Process and installation for the treatment of fatty wastes
08/28/1996EP0728122A1 System and method for treatment of polluted water
08/28/1996CN1129677A Improved nitrification and denitrification wastewater treatment process
08/27/1996US5549828 Oxygenating polluted water in upper portion of submerged chamber having top open to ambient air, flowing through self-cleaning biofilter on bottom of chamber, injecting air into lower portion so rising bubbles further aerate water
08/27/1996US5549818 Sewage treatment system
08/27/1996US5549817 Stormwater treatment system/apparatus
08/22/1996WO1996025368A1 A process for high concentrated waste water treatment using membrane separation
08/22/1996WO1996025367A1 Waste water treatment, media therefor and its manufacture
08/22/1996WO1996025366A1 Water delivery apparatus
08/22/1996WO1996025365A1 Composition and method for degradation of nitroaromatic contaminants
08/22/1996WO1996025364A1 Combined chemical and biological water treatment process
08/22/1996DE19605685A1 Water aeration assembly arranged at base of rising tube extending above water surface
08/22/1996DE19505873A1 Mineralisation of organic sludges
08/22/1996DE19505842A1 Water treatment process passes effluent through anaerobic filter of floating grains
08/22/1996DE19505436A1 Kombiniertes Verfahren zur chemischen und biologischen Behandlung von Wasser Combined methods of chemical and biological treatment of water
08/22/1996CA2212820A1 A process for high concentrated waste water treatment using membrane separation
08/22/1996CA2211649A1 Waste water treatment, media therefor and its manufacture
08/21/1996EP0726803A1 Improved fluid inductor
08/21/1996EP0609272B1 Chemical oxidative process for purifying highly contaminated waste water
08/21/1996CN1129196A Device for treatment of high-concentration dirt water
08/21/1996CN1129195A Treatment of waste water
08/21/1996CN1032586C Two-stage fermentation treatment method for waste water of maize starch and equipment thereof
08/20/1996US5547589 Water recovery from a septic tank
08/20/1996US5547578 Method of controlling waste water purification plants using quality evaluation of measuring data
08/15/1996WO1996024434A1 Process for purifying flue gas containing nitrogen oxides
08/15/1996WO1996006667A3 High capacity ultrafiltration apparatus
08/15/1996CA2211554A1 Process for purifying flue gas containing nitrogen oxides
08/14/1996EP0725669A1 Method and apparatus for recovering water from a sewer main
08/14/1996EP0639161B1 Fluidized-bed fermenter
08/14/1996CN1032527C Method of treating waste water and equipment thereof
08/13/1996US5545544 Degrading lignin
08/13/1996US5545358 Tank cover structure with aeration distribution
08/13/1996US5545327 Apparatus including improved fixed media assmbly comprising plurality of spaced apart vertical parallel sheets having parallel corrugations which intermate with those of adjacent sheets to form open channels for passage of solids
08/13/1996US5545326 Pressurized process for treatment of high-solids wastewater having relatively high bod and phosphorus concentration; residue bod and phosphorus are concentrated in solid fraction
08/13/1996US5545325 Combined aerobic & anaerobic treating method & facility for hog wastewater
08/08/1996WO1996023736A1 Device and process for thickening and conveying waste water sludges
08/08/1996WO1996023735A1 Process for aerobic treatment of waste water
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