B01D 21 - Separation of suspended solid particles from liquids by sedimentation

Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338)
01/1995
01/03/1995	CA2099514A1 Process and apparatus for treating waste water in a dynamic, bio sequenced manner
12/1994
12/28/1994	EP0630858A2 Composition and method for water clarification and wastewater treatment
12/28/1994	EP0630671A2 Sewage treatment system
12/27/1994	US5376280 Flocculation control system and method
12/27/1994	US5376269 Installation for skimming a vat
12/27/1994	US5376266 Water clarification method and apparatus
12/27/1994	CA1333701C Waterflow separation system for ores
12/24/1994	WO1995000559A1 Sludge dehydrating agent
12/24/1994	CA2099022A1 Apparatus for separating solids and liquids
12/22/1994	WO1994028996A1 Systems and methods for processing blood
12/22/1994	DE4320935C1 Processing assembly to process for sludge and sand containing oil and grease
12/22/1994	CA2141031A1 Systems and methods for processing blood
12/21/1994	EP0629424A1 Sedimentation type solid-liquid separator
12/21/1994	EP0629423A1 Method and apparatus for separating solid particles from liquid while forming a buffer stock
12/21/1994	EP0629178A1 Apparatus for treatment of effluent
12/21/1994	CN2185627Y Cyclone finely cleaned device
12/21/1994	CN1096498A Method and apparatus for treating waste water from chlorhydrin biology and containing organic chloride compound
12/20/1994	US5374356 Purifying wastewater
12/20/1994	US5374353 Aeration train and aeration apparatus for biological purification of wastewater
12/14/1994	EP0628333A1 Method and apparatus for separating solid particles from liquid with complete recirculation
12/14/1994	EP0628018A1 Method of separating oil from wash water
12/14/1994	EP0572656A4 Centrifuge with separable bowl and spool elements providing access to the separation chamber.
12/13/1994	US5372713 Long sand trap for separating and removing sand from water from inflow channels
12/13/1994	US5372711 Two stage system for skimming floating particles
12/13/1994	CA2009943C Process for the treatment of waste water from food processing plants
12/08/1994	WO1994027484A1 Method and apparatus for rejuvenating a drainfield or dry well
12/07/1994	EP0627251A1 Solid material flow-separating method
12/07/1994	EP0626877A1 Decanting apparatus
12/07/1994	EP0626876A1 Process, apparatus and composition for recycling engine coolant
12/06/1994	US5370827 Treating with silicate and ammonium hydroxide to precipitate metal contaminants
12/06/1994	US5370802 Enhanced yield platelet collection systems and methods
12/06/1994	CA1333403C Method of refining glyceride oils
12/02/1994	CA2124775A1 Junk separator for, and in combination with, a pulp slurry inlet chamber of a pulp handling machine
12/01/1994	DE4418079A1 Sludge dewatering plant
11/1994
11/30/1994	EP0383878B1 Device for removing bottom sludge and/or floating sludge from circular settling basins
11/29/1994	US5368779 Ethanolamine
11/29/1994	US5368753 Antifreeze reclamation system and process
11/29/1994	US5368735 Liquid/solid separator with a conduit between a vortex and a quiescent collector zone
11/24/1994	WO1994026390A1 Multilayered piezoelectric resonator for the separation of suspended particles
11/24/1994	WO1994026385A1 Apparatus for discharge of sediment from a tank
11/24/1994	WO1994026384A1 Particle settler for use in cell culture
11/24/1994	WO1994026383A1 Improved pressure decanter
11/24/1994	WO1994026382A1 Method of separating oil-in-water emulsions containing solids
11/24/1994	CA2162576A1 Apparatus for discharge of sediment from a tank
11/24/1994	CA2137699A1 Multi-layered piezoelectric resonator for the separation of suspended particles
11/23/1994	EP0625078A1 Remote controlled sludge removal apparatus
11/23/1994	EP0625074A1 Vortex flocculation of solids suspended in liquid
11/23/1994	EP0535197B1 System for separating biological sludge from purified water
11/22/1994	US5366698 Apparatus for effecting gas liquid contact
11/22/1994	US5366638 Inclined plate settling; oblique flow pattern; sludge and scum removal
11/22/1994	US5366628 Paint thinner recycling tower
11/19/1994	CA2123638A1 Apparatus for the treatment of waste sludge
11/17/1994	EP0624603A2 High molecular weight acrylamide polymers, method of making and use of same
11/17/1994	EP0406406B1 Process for preparing basic aluminum compounds
11/17/1994	DE4315748A1 Device and process for determining the sludge deposition volume component in an activated sludge-water mixture
11/17/1994	DE4315033C1 Process and apparatus for the treatment of a mixture of very fine substances
11/16/1994	CN1095074A Methods of making and using high molecular weight acrylamide polymers
11/15/1994	US5364534 Purifying water
11/15/1994	CA1333108C Method and installation for treating liquid by sedimentation using fine sand
11/10/1994	WO1994025402A1 Process and apparatus for the treatment of waste water
11/10/1994	DE4315321A1 Apparatus and process for drying sludges and polluted liquids by solar radiation
11/10/1994	DE4315110A1 Apparatus for scooping off material floating on a liquid surface
11/09/1994	EP0623044A1 Blood processing systems with improved data transfer between stationary and rotating elements
11/08/1994	US5362717 Chitians as flocculants
11/08/1994	US5362407 Cylindrical body and baffles and rotating stilling; downward flow in cone shaped pattern; entrained liquid droplets rise to surface and solids to the bottomt
11/08/1994	US5362389 Fuel filter assembly with reversible element
11/03/1994	DE4314020A1 Process and apparatus for continuously cleaning and degassing viscous polymer melts
11/02/1994	EP0467887B1 Clarification process
11/01/1994	US5360600 Treatment of mineral and alkali metal carbonate slurries
11/01/1994	US5360555 Solids handling in an oil/grease separator
11/01/1994	US5360542 Centrifuge with separable bowl and spool elements providing access to the separation chamber
11/01/1994	US5360538 Mixed liquor wasting system
11/01/1994	CA1332819C Separating constituents of a mixture of particles
10/1994
10/27/1994	WO1994024363A1 Scraper device
10/27/1994	WO1994023817A1 Circular gravity clarifier and method
10/27/1994	DE4314015A1 Apparatus for separating off solid particles from suspension reactors
10/26/1994	EP0621241A2 Solution decontamination method using precipitation and flocculation techniques
10/26/1994	EP0621076A1 Method for the separation of solids
10/26/1994	CN1094016A Production method for water purifying agent
10/25/1994	US5358644 For removing supernatant from top of sequencing batch reactor
10/25/1994	US5358636 Apparatus for the treatment of waste sludge
10/25/1994	CA1332715C Gravity separator
10/20/1994	DE4312557A1 Method for recovering water varnish overspray
10/20/1994	DE4304883C1 Sludge removal apparatus
10/19/1994	EP0620033A1 Dust collector with means for spraying water
10/19/1994	EP0619752A1 Compact enhanced yield blood processing systems.
10/19/1994	CN1093611A Improvements in or relating to separators
10/12/1994	EP0618882A1 Improved process for separating red mud in production of alumina from bauxite.
10/12/1994	EP0618832A1 Enhanced yield blood processing systems and methods establishing vortex flow conditions.
10/12/1994	EP0618831A1 Enhanced yield platelet collection systems and methods.
10/12/1994	EP0618830A1 Enhanced yield collection systems and methods for obtaining concentrated platelets from platelet-rich plasma.
10/12/1994	EP0618829A1 Time based interface detection systems for blood processing apparatus
10/12/1994	CN2179374Y Natural return waste water treatment apparatus
10/12/1994	CN1093342A Cation coagulant
10/12/1994	CN1093338A Filtration of soot/ash water slurries and improved partial oxidation process for hydrocarbon feedstocks
10/11/1994	US5354483 Double-ended tube for separating phases of blood
10/05/1994	EP0618592A1 Solution decontamination method using precipitation techniques
10/05/1994	EP0617991A1 Recovery of oil from waste oil fluids and removal of oil from industrial wastewaters
10/05/1994	EP0386004B1 Cell block collection method and apparatus
10/04/1994	US5352421 Method and apparatus for effecting gas-liquid contact

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