Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › 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)
01/1996
01/03/1996EP0689521A1 Compact clarifier system for municipal waste water treatment
01/02/1996US5480559 Liquid treatment
01/02/1996US5480541 Extruder apparatus for isolating solids from fluids
01/02/1996CA2153014A1 Sludge flight support rail assembly
12/1995
12/30/1995CA2150310A1 Skimmer mechanism for rectangular basin chain and flight
12/28/1995WO1995035145A1 Apparatus and methods for separating solids from flowing liquids or gases
12/27/1995EP0688591A1 Process for the preparation of used aqueous alkali bentonite suspensions
12/27/1995EP0688562A1 Cosmetic
12/27/1995EP0514543B1 Sewage purification apparatus
12/26/1995US5478477 Use of alginates to treat bauxite red mud
12/26/1995US5478471 Sludge scraping apparatus
12/26/1995US5478468 Coagulating sedimentation processing apparatus
12/21/1995WO1995034365A1 Apparatus for removing solid matter from fluid systems
12/21/1995WO1995034364A1 Stripping/extraction settler apparatus and method
12/21/1995DE4425788C1 Cover for settling basin cap of sewage treatment plant
12/21/1995DE4421522A1 Removal of finely dispersed organic matter from precleaned sewage
12/20/1995CN2215486Y Grid-bar water settling pool
12/20/1995CN1113569A Regulating water treatment agent dosage based on operational system stresses
12/20/1995CN1113568A Monitoring water treatment agent in-system concentration and regulating dosage
12/19/1995US5476988 Settling aids for solids in hydrocarbons
12/19/1995US5476583 Mixed liquor wasting system
12/19/1995US5476522 Coagulating tailings at bottom of thickener, withdrawing clarified liquid, discharging concentrated tailings
12/19/1995US5476142 Flexible contaminant-resistant grout composition and method
12/14/1995WO1995033544A1 High gravity separator
12/14/1995WO1995033543A1 Centrifuge and rotor for use therein
12/13/1995EP0686603A1 Process and device for separating solid and liquid matter from industrial waste water by electroflotation
12/13/1995EP0686199A1 Centrifugal method and apparatus for isolating a substance from a mixture
12/12/1995US5474703 Eliminates lagal bloom caused by planktonic algae in water harboring biological system without harming fish; preferred combination includes aluminum hydroxide-chloride and tartaric or citric acid
12/12/1995US5474688 Process for phase separation
12/12/1995US5473793 For use in cleaning underground water or sewage systems
12/07/1995DE4418956A1 Water treatment settling tank
12/07/1995DE4418802A1 Settlement tank drain assembly sub-divided into two chambers separated by saw tooth rim
12/06/1995EP0685431A2 Method and apparatus for the separation of sediments from sewage
12/06/1995EP0635085B1 Chain conveyor or scraper, in particular for sewage installations
12/06/1995CN1112906A Separation process
12/06/1995CN1112905A Magnesium ion containing flocculating agents for waste water treatment and method for preparation thereof
12/05/1995US5472923 Preparation of a solid Ziegler catalyst by using a multi-functional, pivoting, inclinable reactor
12/05/1995US5472620 Solid-liquid separation process using at least one polymer and cavitation energy
12/05/1995US5472611 Process and apparatus for purification of wastewater
11/1995
11/29/1995EP0684078A1 Device for cleaning sand, comprising a distributor for floating matter
11/29/1995EP0684077A1 Device for cleaning sand, comprising gas introduction in the lower area
11/29/1995EP0684076A1 Device for cleaning sand, comprising lamellae in the entire chamber
11/29/1995EP0683626A1 Method and device for testing blood units for viral contamination
11/29/1995CA2150335A1 Cleaning device for sand, having a distributor for suspended substances
11/29/1995CA2150299A1 Cleaning device for sand, having laminae throughout the entire container
11/29/1995CA2150298A1 Cleaning device for sand, having a gas lead-in in the lower part
11/28/1995US5470489 Method and inlet device for charging shallow grit chambers or settling tanks
11/28/1995US5470484 Method and apparatus for controlling the feed of water treatment chemicals using a voltammetric sensor
11/28/1995US5470475 Clarifier
11/28/1995US5470466 Method and apparatus for removing ferrous particles from coolant fluid during machining
11/28/1995US5470465 Vortex system for separating particles from a liquid stream
11/23/1995WO1995031402A1 Process for removing polluting material from water or wet solid matter
11/23/1995WO1995031266A1 Blood collection system
11/22/1995EP0682565A1 Device with an aggregate separator for the treatment of dirty water.
11/22/1995EP0682555A1 Process and apparatus for controlling the dewatering of suspensions
11/22/1995EP0575567B1 Wastewater treatment process
11/21/1995US5468396 Centrifugal cleaning of pulp and paper process liquids
11/21/1995US5468391 Sludge flight support rail assembly
11/21/1995US5468270 Assembly for wet cleaning of combustion gases derived from combustion processes, especially the combustion of coal, coke and fuel oil
11/16/1995DE4416297A1 Water extraction from sludge
11/16/1995DE4415637A1 Clarification and purification of vehicle wash water for recycling
11/15/1995EP0579705B1 Separator for liquid/solid mixtures
11/15/1995EP0579700B1 Separator for liquid/solid mixtures
11/14/1995US5466385 Oil and water
11/14/1995US5466370 Apparatus for isolating solids from fluids
11/14/1995US5465849 Column and method for separating particles in accordance with their magnetic susceptibility
11/09/1995DE4415806A1 Inverted filter belt which passes through cambered path removing cake at lowest point
11/08/1995EP0680933A1 Process and plant for the treatment of a raw fluid flow by simple settlement after introducing fine sand
11/08/1995EP0680604A1 Control of dewatering processes
11/08/1995EP0680289A1 Liquid separating unit
11/08/1995CN2211844Y Kidney type oil purifying device for lubrication oil
11/08/1995CN1111446A Separating liquid suspensions
11/02/1995EP0679422A1 Method and device for desalinating dredged material
11/02/1995EP0594800B1 Device for removing purified water from circular settling tanks
11/02/1995DE4414865A1 Sludge tanker vehicle with special provisions for efficient oil sepn.
11/01/1995CN1110929A Instrument for separating suspended particles by utilizing supersonic wave
10/1995
10/31/1995US5462881 Temporary liquid storage cavities in a centrifuge tube
10/31/1995US5462716 Container for receiving and separating a fluid, preferably blood plasma, into its ingredients
10/31/1995US5462669 Method for dissolved air floatation and similar gas-liquid contacting operations
10/30/1995CA2147895A1 Process and system for the treatment of contaminated oil
10/26/1995WO1995028643A1 Method of selection of a population or subpopulation of a sample
10/26/1995WO1995028214A1 Scraper for a circular settlement tank
10/26/1995WO1995028213A1 Thermal flocculation of aqueous dispersions
10/26/1995DE4413895A1 Purification and detoxification of waste water from tanneries
10/26/1995DE19520565A1 Discharge of clarified waste water from discharge boxes in sewage treatment plants
10/26/1995DE19505836A1 Process for removing waste water from fermented prods
10/26/1995CA2187543A1 Method of selection of a population or subpopulation of a sample
10/25/1995EP0678008A1 Separator
10/25/1995CN1110867A Systems and methods for processing blood
10/25/1995CN1030139C Quick method of producting cuprous chloride using waste acid and waste cupron
10/24/1995US5460727 Water and waste treatment systems
10/19/1995DE4412647A1 Räumer für Rundklärbecken Scrapers for circular clarifiers
10/19/1995DE4412479A1 Sludge depth and concentration determined by hydrostatic pressure detector assembly
10/18/1995EP0677315A2 Automatic feedback control system and method for a water treatment apparatus
10/18/1995EP0677130A1 Water management system.
10/18/1995EP0655012A4 Systems and methods for processing blood.
10/17/1995US5459066 Method of separating oily materials from wash water
10/17/1995US5458777 Distributor for liquid separator
10/17/1995US5458775 Filtration apparatus for separating solids from liquid containing same
10/17/1995US5457919 Sludge clarifier bottom
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