| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
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| 12/01/1988 | WO1988009210A1 Process for separating the substances contained in a liquid and device for implementing the process |
| 11/30/1988 | EP0292525A1 Biological treatment method by using ultrasound, particularly for immuno-hematological tests |
| 11/29/1988 | CA1245568A1 Device for processing fluid with solid bodies |
| 11/24/1988 | DE3716357A1 Covering for the upper edge of a tank for the purification of water or sewage |
| 11/23/1988 | EP0292470A1 Process for separating substances from liquids and apparatus for carrying out the process |
| 11/23/1988 | EP0292020A2 Apparatus for removing grit |
| 11/23/1988 | CN88201226U Flucculation reactor |
| 11/17/1988 | DE3715021A1 Rake for a circular sedimentation tank |
| 11/17/1988 | DE3715019A1 Apparatus for separating solids from liquids |
| 11/15/1988 | US4784764 Arrangement for the flocculation of flocculatable substances in suspensions, particularly for the purification of the backwater of deinking installations for waste paper processing |
| 11/10/1988 | DE3813264A1 Process and apparatus for purifying waste waters arising in dental treatments |
| 11/10/1988 | DE3714531A1 Vorrichtung zur physikalisch-chemischen behandlung von wasser Apparatus for physical-chemical treatment of water |
| 11/09/1988 | EP0290030A2 Treament of oil effluent |
| 11/08/1988 | US4783272 Removing solids from process separator vessels |
| 11/08/1988 | US4783270 2-acrylamido-2-methylpropanesulfonic acid-n-hydroxy-methylacrylamide-acrylamide polymer |
| 11/08/1988 | US4783255 Split countercurrent flow tube settler |
| 11/03/1988 | WO1988008408A1 System and method for the extraction of cyanide from tails liquor |
| 11/03/1988 | DE3712719A1 Process for the purification of waste waters contaminated by light materials, in particular saponifiable oils or fats |
| 11/02/1988 | EP0289057A1 Process and apparatus for the treatment of digested sewage sludge |
| 11/01/1988 | US4781839 Method for flocculating and removing solids suspended in water |
| 11/01/1988 | US4781826 Apparatus for decontaminating PCB-contaminated dielectric fluids |
| 11/01/1988 | CA1243940A1 Salt harvester for harvesting salt in elongated solar salt crystallizer |
| 10/25/1988 | US4780206 Turbulence control system |
| 10/19/1988 | EP0286707A1 Separation process of solids from liquids in a cross-flow separator, and apparatus for carrying out this process |
| 10/18/1988 | US4778598 Separation of ash from regenerated adsorbent |
| 10/12/1988 | EP0285910A2 Snow clearing apparatus for final settling basin |
| 10/12/1988 | EP0285616A1 Installation for biological purification of waste water |
| 10/11/1988 | US4776964 Closed hemapheresis system and method |
| 10/11/1988 | US4776963 Adding material formed by dissolving vermiculite weathered from mica in aqueous mineral acid |
| 10/06/1988 | WO1988007400A1 System for centrifugation and for classification of particulate materials |
| 10/05/1988 | EP0285570A1 Plunging wall for basins and clarifier tanks |
| 10/05/1988 | EP0285416A1 Fuel filter assembly with heater |
| 09/29/1988 | DE3708342A1 Clarifying apparatus |
| 09/28/1988 | CN87211098U High-efficience combined tube mixture flocculating unit |
| 09/27/1988 | US4773312 For the production of worts during the manufacture of beer |
| 09/27/1988 | US4773166 Electrostatic method and apparatus for treating material |
| 09/22/1988 | DE3708079A1 Process and apparatus for scum treatment |
| 09/21/1988 | EP0282621A1 Method and installation for sludge removal from waters |
| 09/21/1988 | CN88101807A Mg-fe compound type waste-water processing agent and its production method |
| 09/21/1988 | CN87101246A Method and flocculant for water treatment |
| 09/20/1988 | US4772401 Cleaning fuel tanks using a gravity separator; agitation of sludge; continuous process |
| 09/15/1988 | DE3707219A1 Apparatus for separating sub-quantities of liquids from a specific inflow region from which disposal takes place into a lower-level collecting tank, preferably for vehicle-washing systems |
| 09/14/1988 | CN87101656A Siphon vacuum pumping filter |
| 09/13/1988 | US4770779 Apparatus for separating blood |
| 09/13/1988 | US4770766 Time-controlled processes for agglomerating coal |
| 09/08/1988 | DE3706267A1 Device for the withdrawal of float material |
| 09/07/1988 | EP0194271A4 Closed hemapheresis system. |
| 09/07/1988 | CN87216433U Superpulse clarifier tank |
| 09/06/1988 | CA1241653A1 Polymeric quaternary ammonium compounds, their preparation and use |
| 08/30/1988 | US4767540 Flocculation, settling |
| 08/30/1988 | US4767536 Clarifying |
| 08/30/1988 | US4767532 Apparatus for removing grit |
| 08/23/1988 | US4765912 Agglomeration of silica to form sludge; removal of clarified liquid; reuse of silica as seed material |
| 08/23/1988 | US4765899 Apparatus for continuous separation of leukocyte/platelet-enriched fraction from whole blood |
| 08/23/1988 | US4765891 Purifier for liquid containing suspended solids; fluid flow in circular path can change direction providing stream of clarified liquid |
| 08/23/1988 | CA1241130A1 Subcyclonic jet recirculation grit removal system |
| 08/18/1988 | DE3703777A1 Process and device for liquid withdrawal from particle-laden liquids, in particular for dewatering suspensions or sludges and use of the process |
| 08/11/1988 | WO1988005691A1 Centrifugation pheresis system |
| 08/11/1988 | WO1988005690A1 Plasma collection set and method |
| 08/10/1988 | EP0277704A2 Separation of ash from regenerated adsorbent |
| 08/10/1988 | EP0277179A1 Automatically adjustable weir and environmentally protected sensor |
| 08/09/1988 | US4762009 In-situ integrated suspended sediment stream sampler |
| 08/09/1988 | CA1240286A1 Pigment cake, and its manufacture |
| 08/02/1988 | CA1239964A1 Sleeve bearing design |
| 07/26/1988 | US4759854 Using rotational force to separate grit from flow of sewage containing organic material |
| 07/26/1988 | US4759775 Methods and apparatus for moving and separating materials exhibiting different physical properties |
| 07/26/1988 | CA1239565A1 Waste water treating agent and method for producing the same |
| 07/25/1988 | EP0277179A4 Automatically adjustable weir and environmentally protected sensor. |
| 07/21/1988 | DE3700725A1 Process and plant for purifying untreated waste water bearing fine sludge |
| 07/19/1988 | CA1239459A1 Self-programmable controller for water conditioner recharging |
| 07/19/1988 | CA1239341A1 Compound and process for denaturing high-solids paints |
| 07/14/1988 | DE3644729A1 Construction and function system for clarification plants of sewage and waste water of every type and magnitude, with associated set of construction elements and function elements |
| 07/13/1988 | EP0274113A1 Mobile installation for water filtration |
| 07/13/1988 | CN87107265A Gluing and assembling feather-shape inclined-tube using feather-shape slices |
| 07/06/1988 | EP0273450A2 Solubilizer for water-insoluble alginates in dental impression materials |
| 07/06/1988 | EP0273335A2 Flocculants and filter aids and their use |
| 07/05/1988 | CA1238865A1 Excess overflow orifice tubes |
| 06/30/1988 | WO1988004570A1 Filter for liquids |
| 06/28/1988 | US4753633 Slurry separator |
| 06/28/1988 | US4753632 Device for separating fine particles of solid matter from waste fluid |
| 06/23/1988 | DE3642702A1 Method for taking off float materials from the surface of settling tanks |
| 06/21/1988 | CA1238431A1 Flocculation of coal particles and coal slimes |
| 06/14/1988 | US4751006 Coolant reclamation unit |
| 06/14/1988 | US4751002 Cable supported rake arm thickener |
| 06/14/1988 | CA1238132A1 Aqueous polymer dispersions |
| 06/07/1988 | CA1237831A1 Sidewall mounted separator for removing solids in waste water |
| 06/02/1988 | WO1988004051A1 Biological treatment method by using ultrasound, particularly for immuno-hematological tests |
| 06/02/1988 | WO1988003831A1 Method and device for separating a dispersed phase |
| 06/01/1988 | CN86107912A Tubular type water collection uniflow sedimentation device |
| 05/31/1988 | US4747978 Calcium hypochlorite compositions |
| 05/31/1988 | US4747962 Separation of components of a fluid mixture |
| 05/31/1988 | US4747196 Clarifier |
| 05/31/1988 | CA1237372A1 Vessel construction |
| 05/25/1988 | EP0268158A1 Water clarification process and composition and method therefore |
| 05/24/1988 | US4746457 Flocculation of suspended solids from aqueous solutions |
| 05/24/1988 | US4746444 Prevention of chip build-up in filtration equipment |
| 05/19/1988 | DE3638365A1 Method for separating phases under conditions of motion |
| 05/19/1988 | DE3638289A1 Process and apparatus for accelerating sludge sedimentation |
| 05/18/1988 | EP0267328A1 Method and apparatus for the purification of waste water, especially of muddy water resulting from the sludge removal from waters |
| 05/11/1988 | EP0266782A1 Lauter tun |