| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
|---|
| 04/27/1982 | US4326968 Method for breaking petroleum emulsions and the like using micellar solutions of thin film spreading agents comprising polyepoxide condensates of resinous polyalkylene oxide adducts and polyether polyols |
| 04/27/1982 | US4326952 Precious metal recovery apparatus |
| 04/27/1982 | CA1122537A1 Process for thickening sludge |
| 04/20/1982 | US4325663 Arrangement for cleaning cutting fluid |
| 04/14/1982 | EP0049647A1 Process for preparing water-soluble acryl polymers and copolymers with a high molecular weight and a low content of residual monomers |
| 04/13/1982 | US4324656 Installation for the withdrawal and purification treatment of waters and aqueous effluents |
| 04/13/1982 | CA1121685A1 Selective filtering of tobacco smoke by enhanced filtration efficiency |
| 04/13/1982 | CA1121555A1 Destabilization of sludge with hydrolyzed starch flocculants |
| 04/07/1982 | EP0048949A1 Method and apparatus for the treatment of waste water for analytic techniques |
| 04/06/1982 | US4323456 Corner sweep mechanism for square settling tank |
| 04/06/1982 | US4323450 Apparatus for separating a solid or viscous liquid component from a mixture |
| 04/06/1982 | CA1121527A1 Process for chrome recovery from industrial waste and the like, including pollution control of the same |
| 03/29/1982 | EP0028246A4 Controlled protein fractionation. |
| 03/24/1982 | EP0048091A2 Sludge removal machine |
| 03/24/1982 | EP0047773A1 Magnetic water conditioner apparatus |
| 03/23/1982 | CA1120410A1 Cross-flow inclined plate clarifier |
| 03/23/1982 | CA1120409A1 Vertical flow inclined plate clarifier |
| 03/23/1982 | CA1120393A1 Process for purifying the off-gases from industrial furnaces, especially from waste incineration plants |
| 03/23/1982 | CA1120275A1 Plastic chain and tubular link pin |
| 03/17/1982 | EP0047347A1 Apparatus for separating gas and solids from a liquid and drilling system comprising such an apparatus |
| 03/16/1982 | US4320008 Apparatus for separating and conveying of animal house waste materials |
| 03/16/1982 | US4319998 For clog prevention |
| 03/16/1982 | CA1119798A1 Method for producing agglomerates from finely divided carbonaceous solids, water and oil |
| 03/09/1982 | US4319020 Polyquaternary flocculants |
| 03/09/1982 | US4318296 Sampling equipment for sedimentation rate measuring |
| 03/09/1982 | CA1119695A1 Control system for controlling a plant including a mobile suction device for sucking suspendible material |
| 02/23/1982 | US4316808 Method for breaking petroleum emulsions and the like using micellar solutions of thin film spreading agents comprising an acylated polyether polyol |
| 02/17/1982 | EP0046070A2 A separator |
| 02/17/1982 | EP0006925B1 Method and apparatus for cleaning cutting fluid |
| 02/16/1982 | CA1118368A1 Mechanical dewatering process for elastomer slurries |
| 02/09/1982 | CA1118123A1 Method and arrangement for treatment of sludge water |
| 02/09/1982 | CA1117873A1 Clarifier |
| 02/02/1982 | US4313829 Apparatus for separating the components of a non-Newtonian fluid |
| 01/27/1982 | EP0044301A1 Apparatus for gravitationally separating relatively heavy and/or light pollutants from a feed liquid. |
| 01/26/1982 | US4312761 Treatment of clay slimes |
| 01/26/1982 | US4312751 For engine fuels |
| 01/21/1982 | WO1982000134A1 Apparatus for treating liquids |
| 01/19/1982 | US4311832 Proemulsans |
| 01/19/1982 | US4311831 Apo-ψ-emulsans |
| 01/19/1982 | US4311830 Apo-α-emulsans |
| 01/19/1982 | US4311829 Apo-β-emulsans |
| 01/19/1982 | CA1116556A1 Apparatus and process for ordinary and submarine mineral beneficiation |
| 01/19/1982 | CA1116535A1 Contaminant remover |
| 01/06/1982 | EP0042938A1 Homopolymers and copolymers of 1,3-dialkyl-2-alkenylimidazolium salts |
| 01/06/1982 | EP0042919A2 Method and apparatus for working or treating materials, especially flowable solid mixtures, and dispersions with oscillating tools |
| 01/05/1982 | US4309306 Demulsifiers for water in oil emulsions; enhanced oil recovery |
| 01/05/1982 | US4309291 Waste water treatment |
| 01/05/1982 | CA1115647A1 Submerged traveling siphon sludge collector |
| 12/29/1981 | US4308148 Preparation of water soluble polymeric flocculants by photopolymerization of hydrophilic monomers |
| 12/29/1981 | US4308120 Polymerization method using ultraviolet light |
| 12/29/1981 | CA1115436A1 Method of removing mud from mud-water suspensions |
| 12/29/1981 | CA1115009A1 Catch basin processing apparatus |
| 12/22/1981 | US4306981 Method for breaking petroleum emulsions and the like comprising resinous polyalkylene oxide adducts |
| 12/22/1981 | US4306967 Portable cleaner |
| 12/22/1981 | US4306955 Photopolymerized acrylic polymer essentially devoid of residual monomer(s) |
| 12/22/1981 | CA1114969A1 Flocculant distributor means for feedwell |
| 12/15/1981 | US4305819 Floating apparatus for clarification of water |
| 12/10/1981 | WO1981003428A1 An esophageal electrode probe useful for electrical stimulation of the heart |
| 12/08/1981 | US4304666 And a system to remove silica |
| 12/02/1981 | EP0040707A1 A method for dewatering slimes |
| 12/01/1981 | US4303517 Liquid treatment apparatus |
| 12/01/1981 | CA1113616A1 Method and apparatus for sludge treatment |
| 12/01/1981 | CA1113419A1 Process for removing unfilterable solids from an oil |
| 11/25/1981 | EP0040203A1 Sludge robot. |
| 11/18/1981 | EP0039898A1 Apparatus for separating blood |
| 11/18/1981 | EP0039711A1 Amphoteric water-in-oil self-inverting polymer emulsion |
| 11/11/1981 | EP0030957A4 Centrifugal oil filter. |
| 11/10/1981 | USRE30793 Apparatus for water treatment |
| 11/10/1981 | US4299939 Homopolymers and copolymers of 2-alkenylimidazole or its 1,3-dialkyl-2-alkenylimidazolium salts |
| 11/03/1981 | CA1111995A1 Amphoteric polyelectrolyte |
| 11/03/1981 | CA1111783A1 Method and apparatus for handling crud during solvent extraction |
| 11/03/1981 | CA1111782A1 Apparatus and method for the gravity settling of suspended solids |
| 10/27/1981 | US4297221 Process and apparatus for the treatment of untreated water |
| 10/27/1981 | US4297208 Inclined helical flight conveyor |
| 10/21/1981 | EP0038106A1 Process for reclaiming chromium from roasted chromium ash containing hexavalent chromium |
| 10/21/1981 | EP0038105A2 Process for improving the conversion of trivalent chromium in ash to hexavalent chromium |
| 10/20/1981 | US4295973 Process for separating solids from suspensions of influent |
| 10/20/1981 | US4295866 Pumps, baffle plates |
| 10/20/1981 | CA1111158A1 Purification of waste water |
| 10/20/1981 | CA1110981A1 Process and apparatus for the centrifugal treatment of fluids containing impurities in suspension |
| 10/20/1981 | CA1110950A1 Destabilization of sludge with hydrolyzed starch flocculants |
| 10/14/1981 | EP0037590A2 Polymers of acrylyl or methacrylyl ureas containing quaternary groups, and their use as flocculation, sedimentation, dewatering and retention auxiliary agents |
| 10/13/1981 | US4294676 Deoxygenated, scrubbed monomers -flocculants |
| 10/13/1981 | CA1110787A1 Thickener control system |
| 09/30/1981 | EP0036664A1 Removal device for settling tanks, sludge collectors or the like |
| 09/29/1981 | CA1109889A1 Phenoxyalkyl trialkoxysilanes and method for preparing same |
| 09/23/1981 | EP0036225A2 Apparatus for scraping sludge from the surface of a body of liquid |
| 09/23/1981 | EP0036182A1 Circulation device for treatment basins |
| 09/23/1981 | EP0036168A2 A process for obtaining intact and viable leucocytes and thrombocytes from blood |
| 09/22/1981 | US4290898 Pollution control |
| 09/22/1981 | US4290887 Liquid surface decanter |
| 09/22/1981 | CA1109408A1 Destabilization and improvement in permeability and shear strength of sludge treated with hydrolyzed starch flocculant and portland cement |
| 09/17/1981 | WO1981002529A1 Magnetic water conditioner apparatus |
| 09/15/1981 | US4289540 Hydrolyzed starch-containing compositions |
| 09/15/1981 | CA1109002A1 Low turbulence settling tank |
| 09/08/1981 | CA1108558A1 Settling separator with inclined baffle plates |
| 09/01/1981 | US4287069 Process for the improved working up of effluent |
| 09/01/1981 | CA1108067A1 Apparatus for the selection of grained solids from solid-containing turbid liquids |
| 08/25/1981 | CA1107689A1 Stratification division and selective recombination of ore slurry streams |
| 08/18/1981 | US4283862 Electrostatic method and apparatus for treating material |