Patents
Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338)
06/2000
06/13/2000US6073777 Sand resistant fluid swivel
06/13/2000CA2099554C Cone shaped flocculation tank
06/08/2000WO2000032522A1 Biological treating apparatus for tannery waste water and for reduction of its sludge
06/08/2000WO2000032038A1 Tank cleaning system
06/08/2000CA2351855A1 Hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide for the clarification of deinking process waters
06/07/2000EP1005910A2 Centrifuge tube with cylindrically symmetric separation element, liner and cap
06/07/2000EP1005594A1 Apparatus for the treatment of rain water
06/07/2000EP0775010A4 Blood collection system deriving instantaneous component yield
06/07/2000CN1255458A Process and formula for preparing compound aluminium-iron polychloro
06/06/2000US6072022 Useful for facilitating the separation of blood serum or plasma from the cellular portion of blood.
06/06/2000US6071424 Significantly reduced diameter and about two times the separation capacity of a conventional hydrocyclone of approximately the same height.
06/06/2000US6071423 Portable lightweight equipment capable of easy transport.
06/06/2000US6071421 Conveying the suspension of platelets from the centrifugal separation chamber to a filter, while maintaining the intermediate layer containing leukocytes inside the centrifugal separation chamber.
06/06/2000US6071417 Method for removing water soluble macromolecular compounds
06/06/2000US6071047 Method and apparatus for feeding coolant liquid and separating and recovering it in cutting machine and grinding machine
06/06/2000CA2084402C Serpent sediment-sluicing system
05/2000
05/31/2000EP1004398A2 Mobile water clarifying apparatus
05/31/2000EP1004339A1 Vortex sewage disposal apparatus
05/31/2000EP1003609A1 Systems and methods for harvesting mononuclear cells by recirculation of packed red blood cells
05/31/2000EP0775006A4 Blood processing systems which monitor citrate return
05/31/2000CN1254686A Vortex equipment for treating sewage
05/30/2000US6069002 System and process for in tank treatment of crude oil sludges to recover hydrocarbons and aid in materials separation
05/30/2000US6068765 Separator tank
05/30/2000US6068134 Clarifier with influent well scum removal
05/25/2000WO2000029338A1 Tanks for treating water used for washing motor vehicles and equipment
05/25/2000WO2000029335A1 Water treatment method by ballasted floc including a recycling of granular material
05/25/2000WO2000029090A1 Device for separating waste water
05/25/2000DE19830082C1 Sand trap for water clarification plants in which an induced rotation is confined to a path defined, apart from the basin wall, by a movable central plate.
05/25/2000DE19806858A1 Sedimentationsbecken mit runder Form zum Abscheiden von Schlamm aus Abwasser Sedimentation tank with round shape for the separation of sludge from wastewater
05/24/2000EP1002563A1 Method and apparatus for separating fast settling particles from slow settling particles
05/24/2000EP1001836A1 Methods and apparatus for sludge collection
05/24/2000EP0775009A4 System for deriving collected blood storage parameters
05/24/2000EP0773811A4 Systems and methods for predicting blood processing parameters
05/23/2000CA2290124A1 Mobile apparatus for water purification
05/18/2000WO2000028214A1 Peristaltic fluid pumping and/or separation apparatus
05/18/2000WO2000027498A1 Device for withdrawing clarified water from clarification plants with a discontinuous operation
05/18/2000DE19852204A1 Separation tank inlet for mixture of light and heavy fluids minimizes turbulent inlet flow and maximizes separation performance
05/17/2000EP0819022B1 Process and apparatus for dewatering a suspension
05/17/2000EP0666770B1 Method for resuspending cellular-rich concentrates
05/17/2000CA2287647A1 Method and apparatus for separating fast settling particles from slow settling particles
05/16/2000CA2142747C Mineral separator
05/11/2000WO2000026141A1 Compact installation for mechanically cleaning waste water
05/11/2000WO2000025886A1 Conveyor apparatus
05/11/2000DE19917245C1 Underwater pipe cleaning carriage and hinge-mounted brushes dispense with a supplementary raising and lowering mechanism
05/10/2000EP0998429A1 Coagulator
05/10/2000EP0998341A1 Method and device for separating materials and guiding device therefor
05/10/2000CN1252384A Use of high basicity polyaluminum sulfate chlorido-alkili metal and earth alkili metal chloride adduct
05/09/2000US6059979 Rotating centrifuging separator
05/09/2000US6059977 Method for separating solids from drilling fluids
05/09/2000US6059963 Supported container containing degrading yeast microorganisms
05/09/2000CA2001729C Polymeric basic aluminum silicate-sulphate
05/04/2000DE19930930A1 Polder sludge draining process renders lagoon fit for agricultural use and water fit for release at low cost
05/04/2000DE19850320A1 Kompaktanlage für die mechanische Reinigung von Abwasser Compact system for the mechanical purification of waste water
05/03/2000EP0997158A2 Systems and methods for separating erythrocytes
05/03/2000EP0996505A1 Fluid conditioning system and method
05/03/2000EP0728190A4 Continuous settling apparatus
05/03/2000EP0602182B1 Apparatus and method for deinking waste paper pulp
05/03/2000CN1051940C Water clarifier
05/02/2000US6057404 Polymers containing β-hydroxyalkylvinylamine units, preparation and use thereof
05/02/2000US6056967 Ultrafiltration; greater drainage and retention effect in papermaking
05/02/2000US6056882 Waste treatment by applying shear force; grinding; producing coker quench stream; waste treatment
05/02/2000US6056873 Management of a body of water
05/02/2000CA2183425C Separation of a suspension into its component parts
05/02/2000CA2154832C Sludge collector flight
04/2000
04/30/2000CA2252306A1 Liquid separator
04/27/2000WO2000023165A1 Thermoelectric particle precipitator and method using same for collecting particles from fluid streams
04/27/2000WO1999054257A9 Inorganic composition, process of preparation and method of use
04/27/2000DE19838556C1 Drive and cable connector system used for endless-cable power transmission in heavy machinery has a motor, drive element and endless drive cable
04/26/2000EP0994824A1 Oil separator
04/26/2000EP0994746A1 Portable water recycler
04/25/2000US6054045 Skimmer filters for ponds
04/25/2000US6053856 Tubing set apparatus and method for separation of fluid components
04/20/2000WO2000021634A1 Method and device for sedimentation and washing
04/20/2000DE19847435A1 Sedimentation process for removing solids suspended in liquids comprises using a sedimentor containing a number of trays
04/20/2000DE19847428A1 Apparatus for removing solids suspended in liquids contains a sedimentor with a number of trays
04/20/2000DE19847344A1 Process to remove organic residues from sand used in waste water treatment renders sand fit for disposal or re-use in construction
04/20/2000DE19846560A1 Vorrichtung zum dosierten Überleiten von Flüssigkeit von einem Becken in ein anderes Becken sowie dessen Verwendung Apparatus for the metered passing liquid from one tank into another tank and the use thereof
04/19/2000EP0994192A2 Transformation cassette for yeast
04/19/2000EP0994075A2 Device for dosing liquid transfer from one tank to another
04/19/2000EP0993331A1 Microbial sampler and concentrator
04/19/2000CN1251147A Method for preparing alkaline solutions contg. aromatic polymer
04/19/2000CN1251060A Method of treating organic contaminated materials
04/18/2000US6051143 Solid-liquid separation using phase transitional N-substituted pyrrolidones
04/18/2000US6049942 Apparatus for rejuvenating a drainfield or drywell
04/18/2000CA2184535C Apparatus and method for separation of solids from liquid
04/18/2000CA2035274C A wastewater treatment mechanism
04/13/2000WO2000020089A1 Liquid extracting device
04/13/2000WO2000020088A1 Oil and debris separator
04/12/2000EP0991809A1 Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product
04/12/2000CN1250467A Method and device for purifying contaminated liquids
04/12/2000CN1250030A Low-aluminium water purifying agent and its production process
04/12/2000CN1051244C Improved pressure decanter
04/11/2000US6048463 Water continuous methyl acrylate emulsion polymer combinations and methyl acrylate emulsion homopolymers for improved flocculation of red mud in the bayer process
04/11/2000US6048133 Method for disposing of mining process fines
04/11/2000US6048089 Mixing apparatus for maintaining a pressure differential over varying feed rates
04/11/2000CA2022884C A continuously and automatically functioning device for the drainage of sludge, especially of sewage sludge
04/06/2000WO2000018692A1 Wastewater treatment tank with influent gates and pre-react zone with an outwardly flared lower portion
04/06/2000WO2000018690A1 Rapid coagulation-flocculation and sedimentation type waste water treatment method
04/06/2000WO2000018485A1 Tortuous path filter
04/06/2000DE19844034A1 Process to remove and clean sand particles in a waste water treatment assembly achieves good separation of sand from other particles and operates at low cost