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)
12/1989
12/05/1989US4885168 Method for the removal of nucleic acids and/or endotoxin
12/05/1989US4885098 Vibrating bar immersed in liquid aids agglomeration, settling
12/05/1989CA1263770A1 Dewatering solids suspensions
11/1989
11/30/1989DE3817444A1 Float-controlled regulating device for changing the flow cross-section of the outlet opening of a liquid container, especially a rain retention basin
11/29/1989EP0343435A1 Float actuated control device for changing the flow section of an outlet opening of a compensation basin, specially of a retention basin for rainwater
11/29/1989CN2048472U Hight efficient water purifier
11/29/1989CN1037463A Process for separating substances from liquid and device for carrying out process
11/28/1989US4883603 Fluid flow through a funnel shaped vessel with parallel plates
11/28/1989US4883602 Water treatment, constant discharge rate
11/21/1989US4882073 Method and system for recovery of plastics from a settling basin
11/21/1989US4882064 Method of removing impurities from hard waters or waters with significant calcium/magnesium concentrations
11/15/1989EP0341357A1 Flocculation of suspended solids from aqueous solutions
11/14/1989US4880533 Apparatus and system for treating waste water and sludge
11/08/1989EP0341138A1 Process and apparatus for the treatment of waste water by electrolysis with a soluble anode
11/08/1989EP0340353A1 Flocculant for water treatment
11/08/1989CN1036910A Production method of cotton wadding coagulanting reagent
11/07/1989US4879048 Method and facility for removing sludge from water
11/01/1989CN1036749A Two-stage combined coagulation for waste water treatment
11/01/1989CN1036708A Production method of coagulant for clarifying water
11/01/1989CN1036707A Preparation of coagulant for sewage disposal
10/1989
10/31/1989US4877597 By-product inhibition; one step reaction of aluminum sulfate and alkali metal aluminate solution under high shear mixing;
10/31/1989US4877516 Manipulating particulate matter
10/25/1989EP0338198A1 Separation vessel for an activated sludge-wastewater suspension
10/25/1989CN1036512A Method and apparatus for make use of precipitating fine sand to treat water
10/24/1989US4876010 Waste treatment cleaner apparatus
10/18/1989EP0336933A1 Filter for liquids.
10/18/1989CN1036335A Productive method of china medicine stone extract
10/17/1989US4874507 Separating constituents of a mixture of particles
10/12/1989DE3811078A1 Plant for secondary purification of waste water
10/11/1989EP0335944A1 Manipulating means
10/11/1989EP0228396B1 Arrangement for the flocculation of flocculable substances, particularly for the purification of effluents from deinking installations for used paper processing
10/11/1989CN2045667U High-efficiency clearing device for high-turbidity water
10/11/1989CN2045666U Suspended flocculating unit
10/11/1989CN1036145A Application of water soluble barium salt for reducing water soluble azo-compound
10/05/1989WO1989009092A1 Separating constituents of a mixture of particles
10/05/1989DE3809706A1 Sewage sludge take-off device
10/04/1989EP0335210A2 Coagulation process for varnishes and other organic coatings
10/04/1989CN2045324U High-efficiency densification machine
10/03/1989US4871459 Filter bed clarifier
10/03/1989US4871449 Clarifier and screw compactor liquid-solid separator
09/1989
09/27/1989EP0215862B1 A lamella separator
09/26/1989US4869814 Apparatus for separating dispersed phases for fluid mixtures
09/26/1989CA1260850A1 Self-purging aerodynamic filter with shrouded rotor
09/26/1989CA1259973A1 Closed hemapheresis system and method
09/21/1989DE3807634A1 Heatable particle-free liquid bath
09/20/1989CN1035623A Method for producing compound flocculating agent from coal cinder powder
09/19/1989US4867887 Thixotropic gel and newtonian gel barriers to prevent mixing of blood sample
09/19/1989US4867872 Automatically adjustable weir and environmentally protected sensor
09/13/1989EP0331807A1 Process for skimming floating substances from the surface of sedimentation basins
09/12/1989US4865753 Clarifier apparatus and methods having releasably closed flow channels
09/12/1989US4865751 Separation of components of a fluid mixture
09/12/1989US4865740 Method and apparatus for separating and recovering particulate material
09/12/1989US4865734 Buoyant coarse media flocculator
09/12/1989US4865724 Metal working machine liquid filtering device with coalescer, filter, and time delayer
09/05/1989US4864018 Anthraquinone derivatives and their use as protein absorbents
09/05/1989CA1259142A1 Sludge bed clarification device for solid-containing liquids
08/1989
08/31/1989DE3805398A1 Process and apparatus for the production of ethanol
08/31/1989DE3804158A1 Separating apparatus
08/30/1989EP0330582A1 Method and device for the treatment of water by settlement introducing fine sand
08/29/1989US4861608 Method of separating trub from hot wort
08/29/1989US4861492 Using organic polymeric flocculants
08/24/1989WO1989007638A1 Method in the processing of aluminium and the use of certain acids in oils therefor
08/24/1989DE3804709A1 Continuous flow vessel for waste water recovery
08/23/1989EP0328555A1 Method and device for separating a dispersed phase.
08/23/1989CN2043130U Extraordinary turbidity water pre-settling device
08/23/1989CN1034909A Method for producing ferrous system of polymerized water purifier
08/22/1989US4859756 Polymers of oxyalkylated unsaturated quaternary ammonium salts, their preparation and their use
08/22/1989US4859346 Ground mounted traction drive and method for sedimentation device
08/22/1989US4859327 Means for water and wastewater treatment
08/22/1989US4859325 Waste material treatment apparatus
08/22/1989US4859323 Oil sand cleaning apparatus
08/16/1989CN1034701A Basic aluminium chlorosulphate, process for producing it, and its use as flocculating agent
08/15/1989US4857208 Hydraulic sweep clarifier and method
08/15/1989US4857185 Aerated facultative basin having a dual function aeration and sludge removal pump in adjacent well
08/15/1989CA1258544A1 Mud bed clarifying process for liquid laden with solids
08/09/1989EP0327419A1 Basic aluminium chloride sulfate, process for its preparation, its use as a floculating agent
08/08/1989US4855065 Apparatus and process to separate and remove extraneous matter from a liquid stream
08/08/1989US4855050 Centrifugal oil separator for removing oil from a waste flowing stream
08/08/1989US4854170 Apparatus and method for using ultrasound to determine hematocrit
08/03/1989DE3801818A1 Process for disposing of floating-solid and/or settling-solid separators, and apparatus for this purpose
08/01/1989US4853133 Coal dewatering
07/1989
07/27/1989WO1989006568A1 Pump for filtration systems
07/25/1989CA1257776A1 Apparatus for impeding fine sediment deposition in harbors and navigational channels
07/18/1989US4849128 Process and composition for conditioning an aqueous system
07/18/1989US4848991 Vortex chamber separator
07/13/1989WO1989006246A1 Vinyl mono- and copolymers containing side-chains
07/13/1989WO1989006154A1 Agglutination reaction vessel
07/12/1989EP0323847A1 Vinyl polymers and copolymers containing side chains
07/12/1989EP0323689A1 Method of separating and removing iron ion, aluminium ion or suspended solids by donation of proton
07/12/1989EP0323610A1 Process and device for thickening waste water sludges and/or other organic sludges by means of separating water from solids
07/11/1989CA1257413A1 Apparatus for clarification of water
07/11/1989CA1257411A1 Apparatus for the clarification of sewage and other wastes
07/05/1989CN2040396U Air collector of lubrication oil of internal-combustion engine
06/1989
06/29/1989WO1989005686A1 Device for separation of ferromagnetic materials from fluid media
06/29/1989DE3742421A1 Continuous-flow tank
06/22/1989DE3836704A1 Special thickener, preferably for treating waste waters containing brown coal (lignite)
06/21/1989EP0321204A2 Separator
06/20/1989US4840732 Fuel tank cleaning system
06/20/1989US4840645 Rotary separator with a porous shroud
06/13/1989US4839488 Electric discharge machine using a ceramic filter to filter the working fluid
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