Patents
Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338)
01/1983
01/06/1983WO1983000041A1 Method and device for acting upon substances immersed into a liquid preferably an aqueous liquid
01/05/1983EP0068916A1 Process and installation for the treatment of sludge originating from waste water purification
01/05/1983EP0068364A1 Process and apparatus to act upon materials in preferably aqueous liquids
01/04/1983US4367148 Method of and apparatus for separating liquid from solids entrained therein
01/04/1983US4367145 Portable water clarifier
01/04/1983US4367141 Apparatus for the concentration of sludges and suspensions
01/04/1983US4367132 Method for removing liquid from chemically-precipitated sludge
12/1982
12/29/1982EP0067959A2 Transportable apparatus for treating used emulsions, solutions and waste waters
12/28/1982US4366058 High efficiency settling system
12/28/1982US4366053 Magnetic liquid treating device
12/22/1982EP0067647A1 Cationic polymer flocculant
12/21/1982US4364834 Sedimentation apparatus having an improved skimming mechanism
12/21/1982US4364831 Chip conveyor
12/21/1982CA1138135A1 Liquid treatment apparatus
12/14/1982US4363730 Lamellar separator
12/07/1982US4362628 Flocculation of particles in water
12/07/1982US4362625 Waste water clarifier
12/07/1982US4362600 Sulfate fibers, flocculation
12/07/1982CA1137030A1 Compound hydrocyclone and method operable on coal slurries
11/1982
11/23/1982US4360427 Submersible water clarifiers
11/16/1982US4359298 Method and apparatus for the filling of a slurry sump
11/09/1982US4358374 Stripping apparatus for the removal of contaminants floating on a liquid
11/09/1982US4358373 Continuous apparatus for separating hydrocarbon from earth particles and sand
11/09/1982CA1135446A1 Amine polymers having dewatering activity
11/03/1982EP0063797A2 Filter apparatus
11/03/1982EP0063697A1 Structure to be built-in in clarification tanks
11/02/1982US4357244 Gravity, settling, hydrocarbon oils
11/02/1982US4357242 Water purification method and apparatus
11/02/1982US4356959 Method particularly intended for separating mercury compounds and mercury alloys in solid particle form from a fluid, and an apparatus for carrying out the method
10/1982
10/26/1982CA1134284A1 Separation device
10/26/1982CA1134146A1 Slag discharge
10/26/1982CA1134119A1 Treatment process for an impure phosphoric acid
10/19/1982US4354944 Clarification of ammonium polyphosphate solutions
10/14/1982WO1982003382A1 Process and composition for conditioning an aqueous system
10/14/1982WO1982003338A1 Filtering device for the separation of liquids and solid materials
10/12/1982CA1133399A1 Apparatus and method for removing suspended solids from a liquid
10/12/1982CA1133398A1 Separator employing an annular vertical feedwell with associated concentric annular baffle plate and method of using same to separate solids from liquids
10/05/1982US4352739 Completion and workover fluid filtration system
09/1982
09/29/1982EP0061354A1 Process and composition for conditioning an aqueous system
09/28/1982US4351733 Process and apparatus for purification of industrial waste water
09/21/1982CA1132059A1 Sedimentation device and method for purifying waste water
09/16/1982WO1982003020A1 Lamellar construction for treating liquids
09/14/1982US4349441 For water treatment using a flocculant
09/14/1982US4348864 Tank assembly for hydraulic system
09/07/1982US4348279 Apparatus for cleaning drilling mud
08/1982
08/31/1982US4347135 Apparatus for superflocculating and thickening a sludge
08/24/1982US4346011 Clarification of effluents and sewage
08/24/1982US4346005 Tube settler module
08/18/1982EP0057907A1 Apparatus for separating blood components
08/17/1982US4344992 Process for producing organo-silane coated asbestos base material
08/17/1982US4344560 Container, apparatus and method for separating platelets
08/17/1982CA1130025A1 Sedimentation tank
08/17/1982CA1130024A1 Multi stage flocculation treatment system
08/17/1982CA1129884A1 Acrylamide or methacrylamide quaternary compounds
08/10/1982US4343793 Aggregation and separation of erythrocytes, separation of leukocytes from platelets by centrifuging
08/10/1982US4343707 Method and apparatus for separating out solids suspended in flowing, pure water systems
08/10/1982US4343696 System for removing sludge from dam reservoir
08/05/1982WO1982002542A1 Method for purifying waste waters
08/05/1982WO1982002496A1 Offshore pollution control
08/03/1982US4342657 Method for breaking petroleum emulsions and the like using thin film spreading agents comprising a polyether polyol
07/1982
07/27/1982US4341643 Effecting fluid flow to displace solids and sludge on the bottom contoured surfaces for discharging; hydrodynamics
07/27/1982US4341617 For flocculation of impurities
07/22/1982WO1982002344A1 Fluid recovery system
07/22/1982WO1982002343A1 Industrial coolant fluid recovery system
07/21/1982EP0056068A1 Method of treating waste waters
07/20/1982US4340488 Process and equipment for ultrasonic conditioning of sewage sludges
07/13/1982US4338729 Electrostatic method and apparatus for treating material
07/13/1982CA1127626A1 Drilling fluid circulation system
07/13/1982CA1127554A1 Feed distributors
07/07/1982EP0055292A1 Apparatus for treating liquids.
07/06/1982US4338195 Liquid treatment apparatus
06/1982
06/24/1982WO1982002072A1 Method and device for separation of the solid phase in the drilling mud
06/23/1982EP0054362A1 Waste disposal
06/22/1982US4336133 Purification by sedimentation
06/22/1982CA1126124A1 Stabilised solutions
06/16/1982EP0053733A1 Polyquaternary flocculants
06/09/1982EP0053166A1 An esophageal electrode probe useful for electrical stimulation of the heart.
06/08/1982US4333826 Sediment indicator for liquid circulatory system
06/08/1982CA1124963A1 Auxiliary for improving retention, dewatering and working up, particularly in the manufacture of paper
06/02/1982EP0053094A2 Method and device for separating particulate solid materials from their mixture with liquids, such as gases from such mixtures, and application of the method
06/02/1982EP0052864A1 Fluid-settling apparatus
06/01/1982CA1124895A1 Treatment of tailings pond sludge
05/1982
05/27/1982WO1982001664A1 Liquid clarifier and method
05/26/1982EP0052245A1 Method and apparatus for the purification of neutralized industrial waste water
05/25/1982CA1124417A1 Method for treating untreated and sewage waters
05/25/1982CA1124184A1 Water treatment unit
05/18/1982US4330450 For use in paper making, sewage treatment, drilling muds, enhanced oil recovery
05/18/1982US4330409 Destabilization of sludge with hydrolyzed starch flocculants
05/18/1982CA1123753A2 Apparatus and process for ordinary and submarine mineral beneficiation
05/18/1982CA1123752A1 Liquid-solid separator
05/18/1982CA1123574A1 Purification of phosphoric acid
05/11/1982CA1123375A1 Flocculating polymers and monomers
05/11/1982CA1123374A1 Floculating polymers
05/05/1982EP0050880A2 Oily water separator of the plate type
05/04/1982US4328101 Device for separating particulate matter from a fluid
05/04/1982US4328093 Device for separating granulated material from a fluid flow
05/04/1982CA1122920A1 Floculating polymers
04/1982
04/27/1982US4326985 Micellar solutions of thin film spreading agents comprising an acylated polyether polyol
04/27/1982US4326984 Demulsifiers
04/27/1982US4326983 Micellar solutions of thin film spreading agents comprising a polyether polyol