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)
11/1999
11/10/1999EP0955077A1 Apparatus for protection against freezing
11/10/1999EP0809607A4 Self flocculating separation medium and method
11/09/1999US5980760 For separating and collecting mononuclear cells present in interface layer of centrifuged whole blood
11/09/1999US5980757 Interface detection and control systems and method
11/09/1999US5980754 Process for recovering components of a float material from waste water treatment system
11/09/1999US5980734 Auxiliary apparatus for sampling blood serum
11/09/1999CA2183380C Increasing settling rate of fine solids in oil sand tailings
11/04/1999DE4400149C2 Frei aufstellbare Mehr-Kammer-Hauswasserkläranlage Freestanding multi-chamber-house water treatment plant
11/03/1999EP0953370A2 Sedimentation basin having rectangular base for separating sludge from waste water
11/03/1999EP0953014A1 Aqueous dispersion of high intrinsic viscosity polymer and its production and use
11/03/1999EP0826232B1 Method and device for wet-processing substrates in a vessel
11/03/1999CN1233593A Method for preparing compounded aluminium flocculant contg. dicyandiamide-formaldehyde
11/02/1999US5976388 Method and apparatus for autologous blood salvage
11/02/1999US5976366 System for treating desalter effluent water
10/1999
10/28/1999WO1999054257A1 Inorganic composition, process of preparation and method of use
10/28/1999WO1999054020A1 Sand resistant fluid swivel
10/27/1999EP0952132A1 Process for the preparation of hydrocarbons from synthesis gas
10/27/1999EP0951927A1 Method and apparatus for sedimentation and solid/liquid separation
10/27/1999EP0951642A1 Apparatus and methods for preparing blood or plasma component solutions of known concentration
10/27/1999EP0951452A1 Method and apparatus for helical flow in a header conduit
10/27/1999EP0951326A1 Sedimentation basin with rectangular layout for separating sludge from waste water
10/27/1999CN2345266Y Combined inclined pipe structrue
10/27/1999CN2345265Y Sewage purifier
10/27/1999CN1232794A Straw pulp papermaking sewage treating process
10/27/1999CN1045899C Improved method of purifying kelp-soaking liquid
10/26/1999US5972229 Method for filtering out particles from a fluid
10/20/1999EP0950639A1 An apparatus and method for purifying water
10/20/1999EP0949946A1 Biological fluid processing
10/20/1999CN2344392Y Eddy sewage treatment equipment
10/20/1999CN2344069Y Low-shear feed water sedimentation tank return device
10/20/1999CN1232474A Cationic water-soluble polymer precipitation in salt solutions
10/19/1999US5968370 Contacting sludge with aqueous treatment fluid comprising silicate, nonionic and anionic surfactants, phosphate builder and causic, then separating and recovering hydrocarbons
10/19/1999US5968353 Clarifier with sludge dewatering
10/19/1999US5968350 Device for cleaning trash racks
10/19/1999US5968018 Cell separation device and in-line orifice mixer system
10/14/1999WO1999051530A1 Flocculator apparatus
10/14/1999DE19810236C1 Hand-operated sludge removal pump for garden ponds
10/13/1999EP0949323A2 Process and apparatus for the conservation of cooling lubricants
10/13/1999EP0948384A1 Method for reducing solid content in a suspension
10/13/1999EP0948383A1 Sludge demulsification and liquefaction process and agents
10/13/1999CN2342864Y Rotary guide wheel device for rotary grid dirt cleaner
10/13/1999CN1045551C Concentration method for removing iron from potash feldspar
10/12/1999US5965023 Hinged cover for use in a clarifier tank
10/12/1999US5964724 Apparatus and method for blood separation
10/12/1999CA2195822C Multicell separator
10/07/1999WO1999050188A1 Dewatering of aqueous suspensions with anionic and cationic polymers
10/07/1999CA2326355A1 Dewatering of aqueous suspensions with anionic and cationic polymers
10/06/1999EP0946242A1 Settlement tanks
10/06/1999EP0946241A1 Waste water treatment plant
10/05/1999US5961838 Amphoteric polymer/polyamine combinations for color removal and clarification of paper mill waste water
10/05/1999US5961828 Compact drive system utilizing gear box with worm and cycloidal gears
10/05/1999US5960803 Method and device for cleaning septic systems
10/05/1999CA2050579C Apparatus for coagulating treatment
10/01/1999CA2242192A1 Sewage purification plant
09/1999
09/30/1999DE19813345A1 Hydraulic oil and brake fluid regeneration apparatus for on-site use
09/30/1999CA2233512A1 Solvent recovery apparatus and method
09/29/1999EP0944421A1 Apparatus and method for separation of solids from liquid
09/29/1999EP0775011A4 Enhanced yield blood processing systems and methods establishing controlled vortex flow conditions
09/29/1999EP0775007B1 Enhanced yield blood processing device with angled interface control surface
09/29/1999EP0513352B1 Method of cleaning soil water
09/29/1999CN1045279C Method of disposal coal mine draining sewage with compounding coagulation method
09/28/1999US5958287 Fluid, formulation, and method for dust control and dewatering of particulate materials
09/28/1999US5958256 Method for pretreating an industrial wastewater
09/28/1999US5958253 Centrifuge reagent delivery method
09/28/1999US5958250 Blood processing systems and methods which optically derive the volume of platelets contained in a plasma constituent
09/28/1999US5958249 Method and apparatus for withdrawing effluent from a solids-contacting vessel
09/28/1999US5958240 System for recycling waste water
09/28/1999US5958233 Apparatus for efficiently dewatering corn stillage solids and other materials
09/28/1999CA2160346C Improved pressure decanter
09/23/1999WO1999047248A1 Contaminant dispersants useful in recycling of treated containers
09/23/1999WO1999047231A1 Device for recuperating floating materials in a sedimentation tank
09/23/1999WO1999047230A1 Treatment of liquids
09/23/1999DE19811300A1 Plastic separator tank for oil, grease and water stands on ribbed plastic
09/22/1999EP0885040A4 Concentrator for solids in a liquid medium
09/22/1999CN2339574Y Precipitation air-float water-purifying equipment
09/21/1999US5955026 Detecting the thickness of fibrin polymer using an optical device
09/16/1999WO1999046207A1 Aqueous dispersions
09/16/1999DE19810912A1 Saug- und Austraggerät für eine Spülflüssigkeit Suction and dispensing a washing liquid
09/15/1999EP0941828A2 Liquid dispersing and suction device
09/15/1999CN2338073Y Jetting and siphon type suction and draining mud machine
09/15/1999CN2338072Y Apparatus for separation
09/15/1999CN1228359A Device for clarifying charged liquid by flotation
09/14/1999US5951864 Screening system
09/14/1999US5951456 The fluid mixture containing first and second material is caused to flow through two different sonic wave fileds, one travel in direction perpendicular to the direction of flow of fluid mixture, other travel parallel and breaks bonding
09/14/1999CA2113422C Sludge scraping apparatus
09/10/1999WO1999026887A9 Process and apparatus for electrocoagulative treatment of industrial waste water
09/10/1999CA2265109A1 Upflow water clarifier with central pier
09/09/1999DE19808473A1 Hard coal flotation tailings waste dumping
09/07/1999US5948278 Separation of rare cell fractions from blood sample according to relative charge density and/or binding affinity for a leukocyte depletion solid phase matrix
09/07/1999US5948277 Method for removing floating matter and a removing device
09/07/1999US5948258 Waste water settling apparatus and method
09/07/1999US5947299 Hydraulic reactor and classifier for solid particles with ultrasonic application
09/07/1999CA2170575C Apparatus for determining properties of slurry materials and sludge treating process
09/02/1999WO1999043621A1 Method and device for controlling biological waste purification plants
09/02/1999WO1999043367A1 Cell separation device and metering syringe
09/01/1999CN2335960Y Frame type flat folded plate flocculator
09/01/1999CN2335687Y Thickening machine
08/1999
08/31/1999US5946220 Computer operated material processing systems and method
08/31/1999US5945494 High performance cationic polymer flocculating agents
08/31/1999US5944995 Clarifier feedwell
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