Patents
Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338)
07/1985
07/03/1985EP0147032A1 Manipulation of particles
07/02/1985US4526691 Separator apparatus
07/02/1985US4526685 Waste water treatment plant
07/02/1985CA1189989A1 Vibratory container for flocculation of the waste water obtained upon vibratory (slide) grinding
07/02/1985CA1189808A1 Floculation process for particles suspended in a liquid
06/1985
06/18/1985US4523682 Acoustic particle separation
06/11/1985US4522968 Process for the preparation of water-in-water secondary dispersions of water-soluble polymers and their utilization as flocculants
06/11/1985CA1188829A1 Process and installation for the treatments of sludge issued from a wastewater purification plant
06/06/1985WO1985002350A1 Clarifier
05/1985
05/28/1985US4519907 Grit settling basin including vane pump
05/15/1985EP0074966B1 Filtering device for the separation of liquids and solid materials
05/14/1985US4517099 Apparatus and method for handling solids in liquid
05/14/1985US4517091 Sewage system
05/14/1985CA1187057A2 Apparatus for separating blood
05/09/1985WO1985001892A1 Manipulation of particles
05/08/1985EP0140741A1 Pigment cake and process for obtaining it
05/08/1985EP0140031A2 Draining device for particulate solids a with bucket wheel immersing in a water tank
05/07/1985US4515698 Liquid clarifying apparatus and methods
05/07/1985US4515697 Method for flocculating microscopic particles in suspension in a liquid and application to the collection of phytoplankton microalgae and zooplankton and for the purification of used water
05/07/1985US4515694 Cable lifting mechanism for sedimentation device
05/07/1985US4515684 Emulsions with water and solid particles
05/07/1985US4515519 Raking apparatus
05/07/1985CA1186493A1 Process for the agglomeration of solids
05/02/1985EP0139572A1 Apparatus for the treatment of water by precipitation, separation, thickening and sludge recirculation
04/1985
04/30/1985US4514560 Aggregating polysaccharide derived from aureobacidium
04/30/1985US4514551 Process for the preparation of cationic polymers
04/30/1985US4514547 2-Hydroxypropane sulphonic acid derivatives: their preparation and curable compositions thereof
04/30/1985US4514303 Settlement tank for water treatment
04/30/1985US4514288 Ore beneficiation process
04/30/1985US4514191 Slag removal apparatus
04/30/1985CA1186433A1 Water-soluble polymers of di-c.sub.1-c.sub.3- alkylaminoneopentyl (meth)acrylates, and their use as retention agents, drainage agents and flocculants in papermaking
04/24/1985EP0138479A2 Sphere/liquid separator
04/24/1985EP0138118A2 Avoidance of rising sludge in biological wastewater treatment clarifiers
04/24/1985EP0137895A2 Clarification of fluids
04/23/1985US4512883 Skimmer for floating roof tanks
04/17/1985EP0137510A2 Apparatus for dynamic separation of suspensions of solid bodies in liquids
03/1985
03/27/1985EP0134878A2 Device for treating spent emulsions, solutions and industrial waste water and the like
03/20/1985EP0134756A2 Compositions containing a copolymerisate and a tensioactive agent, their use and preparation
03/20/1985EP0134361A1 Apparatus and method for withdrawing fluid from a zone
03/19/1985US4506081 Micorbiocides, corrosion resistance, delamination, flocculants, softners, antistatic, demulsifiers
03/19/1985US4505815 Magnetic liquid treating device
03/19/1985CA1184165A1 Polymeric material, preparation thereof and utilisation in treatment of water
03/13/1985EP0134061A1 Method and apparatus for separating from each other the components of a mixture of oil, water and soil
03/05/1985US4502958 Method and device for the separation of suspended solids in waste water
02/1985
02/12/1985US4498986 Vibratory container for flocculation of the waste water obtained upon vibratory abrasive finishing
01/1985
01/29/1985US4496374 Addition of talc to coagulate particles in a wash solution
01/29/1985CA1181653A1 Process and composition for conditioning an aqueous system
01/16/1985EP0131306A1 Pulp slurry drainage improver
01/09/1985EP0130884A2 Slow-transfer device for purifiying and separating powders having different densities
01/08/1985US4492635 Device for separating solid substances from liquids
01/08/1985CA1180848A1 Polyquaternary flocculants
01/08/1985CA1180828A1 Solids separation and liquid clarification system
12/1984
12/27/1984EP0129260A2 Process and composition for conditioning an aqueous system
12/25/1984US4490260 Mechanical conditioning and flocculation of liquids
12/25/1984US4490255 Combined settling and liquid storage tank
12/25/1984US4490251 Apparatus for recovery of water from dispersions of soot and water
12/12/1984EP0128122A1 Outlet for a barrage or sedimentation tank
12/12/1984EP0127793A2 Biological flocculation of mineral slimes
12/11/1984US4487700 Method and apparatus for separating lymphocytes from anticoagulated blood
12/11/1984US4487692 Sidewall mounted separator for removing solids in waste water
12/04/1984US4486309 Sludge shovel apparatus
11/1984
11/27/1984US4484928 Methods for processing coal
11/27/1984CA1178568A1 Methods for processing coal
11/21/1984EP0125364A2 Waste water clarifier
11/21/1984EP0125306A1 Improved clarifier/thickener.
11/20/1984CA1178257A1 Apparatus for separating blood
11/14/1984EP0124880A2 Method and apparatus for cleaning liquids
11/14/1984EP0124850A1 Use of liquid neutral one-component coagulants for the coagulation of varnishes and coating materials
11/08/1984WO1984004257A1 Scraping device for sedimentation basins
11/06/1984US4481116 Cationic aminoplastic resin, preparation process and application thereof to water treatment
10/1984
10/24/1984EP0122795A1 Filter for removing particulates suspended in a fluid, e.g. gaseous medium
10/24/1984EP0122270A1 Separation of multi-phase systems.
10/23/1984US4477939 Removable sludge cleaner for tanks
10/23/1984CA1176576A1 Filter apparatus
10/16/1984US4477344 Device for clarification of liquids and separation of precipitates
10/16/1984CA1176386A1 Water clarification
10/09/1984US4476018 Field assembled clarifier
10/03/1984EP0120039A1 Recovery of solids from dispersions
09/1984
09/26/1984EP0119692A2 Method and apparatus for separating blood lymphocytes from blood
09/26/1984EP0119493A1 Use of copolymers of 2-acrylamido-2-methylpropane sulfonic acid for improving retention and dewatering in the manufacture of paper
09/25/1984CA1175192A1 Linear basic polymers, their preparation and their use
09/19/1984EP0118888A1 A method of separating organic matter from its aqueous solution
09/18/1984US4472285 Solids removal from brine
09/18/1984US4472277 Grease trap
09/18/1984CA1174520A1 Apparatus and method for handling solids in liquid
09/12/1984EP0118330A1 Sludge thickening screw
09/11/1984CA1174256A1 Method and apparatus for the filling of a slurry sump
09/05/1984EP0117586A1 Process for coagulating and depositing residues of high-solids lacquers
09/04/1984CA1173762A1 Sediment collecting device
08/1984
08/29/1984EP0116716A2 Process and apparatus for separating media
08/28/1984US4467717 Screw press dehydrator provided with cake cutter
08/28/1984US4467529 Method for drying wet webs
08/28/1984CA1173374A1 Separator
08/14/1984US4465555 Water-soluble polymers of di-C1 -C3 -alkylaminoneopentyl (meth)acrylates, and their use as retention agents, drainage agents and flocculants in papermaking
08/14/1984CA1172577A1 Modularized multi-stage separator system
08/14/1984CA1172576A1 Cooling tower basin water treating apparatus
08/08/1984EP0115118A2 Process and apparatus for recovery of water from dispersions of soot and water
08/07/1984US4464508 Water-in-oil emulsions of water-soluble cationic polymers having improved stability
08/07/1984US4464341 Vortex apparatus for the continuous producing of a precipitate
08/07/1984US4464256 For cleaning of greasy parts