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)
12/1993
12/21/1993US5271814 Thin film electrocoagulation for removal for contaminants from liquid media
12/15/1993EP0574023A1 Buoyant ceiling wiper for stacked tank clarifier
12/15/1993EP0573959A1 Process for removing particles from liquid, installation for carrying out the process and centrifuge especially for the process and/or installation
12/15/1993EP0397864B1 Agglutination reaction vessel
12/15/1993CN1079450A Separating closed circular water treating system for swimming pool
12/15/1993CN1079411A Side-stream inclined plate sink-float solid-liquid separation method and its equipment
12/14/1993US5269940 Complete mix flocculation process
12/14/1993US5269928 Clarifier tanks
12/14/1993US5269041 Remote controlled sludge removal apparatus
12/12/1993CA2095682A1 Buoyant ceiling wiper for stacked tank clarifier
12/08/1993EP0572656A1 Centrifuge with separable bowl and spool elements providing access to the separation chamber
12/08/1993CN2148596Y Mountain-shape pipe chute for water treatment and its aggregate unit
12/08/1993CN1022980C Process for preparing coagulant for sewage disposal
12/07/1993US5268099 For raw water treated with flocculant and air
11/1993
11/30/1993US5266191 Immiscible liquids separator apparatus and method
11/30/1993CA1324845C Process for improving the sedimentation and filtering properties of waste waters containing clay minerals
11/30/1993CA1324768C Apparatus and methods for liquid treatment
11/25/1993WO1993023335A1 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation
11/25/1993WO1993023334A1 Lamellar apparatus and method for clarifying water
11/25/1993WO1993023136A1 Sludge scraping-up apparatus
11/25/1993CA2136201A1 Lamellar apparatus and method for clarifying water
11/23/1993US5264126 Clarifier drive for waste water treatment system
11/23/1993US5264121 Apparatus for purifying fuel
11/23/1993US5264120 Wastewater treatment mechanism
11/18/1993EP0569844A1 Separator
11/18/1993EP0569462A1 Process for separation of two solid components
11/18/1993DE4215596A1 Sewage outflow and overflow system - has large openings in immersed body at the float
11/17/1993CN2146482Y Integrated water purifier
11/17/1993CN1078382A A container for receiving and separating a fluid, preferably blood plasma, into its ingredients
11/16/1993US5262070 Method, apparatus and associated attachment for liquid components separation
11/10/1993EP0504203B1 Method and apparatus for effecting gas-liquid contact
11/10/1993CN1022671C Flocculant for water treatment
10/1993
10/28/1993WO1993021113A1 Scum removing device
10/28/1993WO1993021111A1 Device for removing purified water from circular settling tanks
10/28/1993WO1993020918A1 Method and inlet device for feeding flat sand traps and settling tanks
10/28/1993WO1993019367A3 Particle aggregation method and apparatus
10/27/1993EP0566792A1 Separator
10/27/1993CN2144529Y Overhaul device for periphery drive thickener
10/27/1993CN2144528Y Settling tower with pipe chute setting tank
10/26/1993US5256270 Electrostatic separating apparatus
10/25/1993CA2094626A1 Separator
10/21/1993DE4304268A1 Supplying waste water to traps and sedimentation tanks - in which inlet chamber has flat floor plate supporting curved flow control plate.
10/21/1993DE4212456A1 Recycling of used fats contg. water, esp. from fat-water separators - includes mixing and sedimenting fat, further separating at specific temp. and filtering and vacuum-distilling
10/20/1993EP0566432A1 Three-phase cyclone separator
10/14/1993WO1993020294A1 Chain conveyor or scraper, in particular for sewage installations
10/14/1993WO1993019873A2 Ultrasonic treatment of liquids in particular metal melts
10/14/1993WO1993019836A1 Method and apparatus for effecting gas-liquid contact
10/14/1993DE4223863A1 Vorrichtung zur Entnahme von geklärtem Abwasser aus Rundbecken Device for removal of clarified wastewater from circular tanks
10/13/1993EP0377603B1 Clarification process
10/13/1993EP0299054B1 Centrifugation pheresis system
10/12/1993US5252205 Unitary clarifier baffle and integrated baffle system
10/12/1993US5252202 Muddy and waste water treatment device and method
10/06/1993EP0563754A1 Purification device
10/05/1993US5250199 Sludge scraper apparatus
10/05/1993US5250178 Buoyant ceiling wiper for stacked tank clarifier
09/1993
09/30/1993WO1993019367A2 Particle aggregation method and apparatus
09/30/1993CA2130276A1 Particle aggregation method and apparatus
09/28/1993US5248440 Polynucleate hydroxy silicate-sulfate compound
09/28/1993US5248421 Spiral fluid separator
09/22/1993EP0560980A1 Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products
09/22/1993EP0560957A1 Device and method for conveying and separating a suspension containing biological cells or microorganisms.
09/22/1993CN1076429A New polyaluminumchlorosulfates and preparation and uses thereof
09/21/1993US5246593 Measurement of concentration of dissolved solutes, calculation of solubility of solutes and adjustment of geothermal fluid
09/21/1993US5246583 Liquid treating apparatus
09/16/1993WO1993017773A1 Apparatus for separation
09/15/1993CN2142036Y Automatic anti-pollution float-sink discharging apparatus
09/15/1993CN1022092C Application of water soluble barium salt for reducing water soluble azo-compound
09/14/1993US5244573 Paint sludge separator tank
09/14/1993US5244571 Fuel filter assembly with heater
09/14/1993US5244308 Apparatus for removing contaminants
09/08/1993EP0559056A1 Profiled strip
09/08/1993EP0558754A1 Scum removal apparatus
09/08/1993EP0558582A1 Apparatus for the reclamation of aggregate from waste concrete
09/08/1993CN1075938A Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products
09/07/1993US5242604 Lateral flow coalescing multiphase plate separator
09/07/1993US5242585 Apparatus and method for deinking waste paper pulp
09/07/1993US5242580 Recovery of hydrocarbons from hydrocarbon contaminated sludge
09/06/1993WO1993018113A1 Method and device for purifying a non-electrically conductive liquid
09/06/1993CA2108900A1 Process and device for purifying a nonconductive liquid
09/06/1993CA2091079A1 Method and apparatus for washing soil
09/02/1993WO1993016960A1 Apparatus for treatment of effluent
09/02/1993WO1993016781A1 Decanting apparatus
09/01/1993EP0475985B1 Method of and apparatus for separating heavy impurities from fiber suspensions in connection with pumping
08/1993
08/31/1993US5240618 Electrical field-flow fractionation using redox couple added to carrier fluid
08/31/1993US5240593 Apparatus for the purification of fluids
08/26/1993DE4212826C1 Sewage cleaning basin - has running surface for cleaning assembly wheels fitted to upper wall edge by elastic mountings
08/25/1993EP0557251A1 A separator of solid particles for variable discharge fluid flow rates in dental apparatus
08/25/1993EP0557153A1 Aluminiumpolychlorosulphates, process for their preparation and their uses
08/25/1993EP0556431A1 Clarifier basin
08/24/1993US5238663 Nickel recovery process
08/24/1993US5238577 Method and device for magnetically removing charged particles from a body of liquid
08/24/1993CA1321555C Separator
08/21/1993CA2086226A1 Clarifier tanks
08/11/1993WO1993016201A1 Method for testing blood units for viral contamination
08/10/1993US5234601 Apparatus and method for controlling regeneration of a water treatment system
08/10/1993US5234580 Decanting apparatus with float supported submerged pump
08/10/1993US5234543 Deinking method using ink agglomeration
08/10/1993CA1321151C Clarifier
08/05/1993WO1993014888A1 Remote controlled sludge removal apparatus
08/05/1993WO1993014852A1 Water soluble polymers
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