| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
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| 04/28/1987 | US4660462 Ventilation system and filter |
| 04/23/1987 | DE3537156A1 Method for reprocessing weakly to strongly oiled or slightly oil-containing metal chips, and device for carrying out the method |
| 04/23/1987 | DE3537076A1 Purifying wash water esp. from concrete mixers - by removing grit then keeping water continuously stirred |
| 04/22/1987 | CN86105091A Method and apparatus for use in separating solids from liquids |
| 04/22/1987 | CN86104833A Prodn. method of high accumulative aluminium-ferric flocculant |
| 04/15/1987 | EP0218316A2 Side skimmer |
| 04/14/1987 | US4657668 Apparatus for the separation of slurry with different grain size into two phases in a tank |
| 04/14/1987 | US4657068 Device for facilitating the circulation of fluid coolant |
| 04/14/1987 | CA1220398A1 Method for solidifying waste slime suspensions |
| 04/09/1987 | DE3535708A1 Process and apparatus for the excitation of wash water vibrations, preferably in a round jig having a plurality of wash areas |
| 04/07/1987 | USH258 Dewatering process and apparatus for slurry recovered from waste water |
| 04/07/1987 | US4655931 Waste water treating agent and method for producing the same |
| 04/01/1987 | EP0215862A1 A lamella separator. |
| 03/26/1987 | DE3533306A1 Process for separating and clear filtration of suspensions and apparatus therefor |
| 03/18/1987 | CN86105073A Condensate separator and discharging device |
| 03/17/1987 | US4650579 Clarifiers |
| 03/11/1987 | EP0213509A2 Method and apparatus for use in separating solids from liquids |
| 03/11/1987 | EP0213508A2 Method and apparatus for use in separating solids from liquids |
| 03/11/1987 | CN86202531U Movable fast precipitating separator for high metal ions |
| 03/10/1987 | US4648967 Watewater treatment |
| 03/04/1987 | EP0212202A1 Ceramic body and method and mould for its manufacture |
| 03/04/1987 | EP0212112A2 Reactor for sludge dewatering or effluent treatment |
| 03/03/1987 | US4647372 Sludge belt apparatus for clarifying liquid charged with solid matter |
| 03/03/1987 | CA1218772A1 Means for leading off froth from the tank of a flotation cell |
| 02/26/1987 | WO1987001049A1 Water filtering system |
| 02/26/1987 | WO1987001048A1 Disposable diagnostic plasma filter dispenser |
| 02/26/1987 | DE3529760A1 Sand trap for separating off sinking materials from waste water |
| 02/25/1987 | EP0211338A2 Process for making alumina |
| 02/24/1987 | US4645598 Working non-metallic parts; sewage treatment system |
| 02/24/1987 | CA1218314A1 Clarifier/thickener |
| 02/17/1987 | US4643834 Discontinuous mixtures |
| 02/10/1987 | US4642222 Water treatment |
| 02/10/1987 | US4642191 Wastewater treatment |
| 02/04/1987 | EP0210493A2 Aquous suspensions of agglomerates, their preparation and use |
| 02/04/1987 | EP0210479A2 Process for separating clarified liquid from a biological mass obtained from the biological purification of waste water |
| 02/03/1987 | US4640768 Elutriation apparatus for the purification and separation of powders of different densities |
| 02/03/1987 | US4640466 Contaminants breaking and separation |
| 02/03/1987 | US4640298 Esophageal electrode probe useful for electrical stimulation of the heart |
| 01/28/1987 | CN85105632A Precipitation tank with longitudinal declinate plate |
| 01/21/1987 | EP0209284A2 Anthraquinone derivatives |
| 01/21/1987 | CN85105569A Plate groups of layer-plate type separator |
| 01/20/1987 | EP0071633A4 Offshore pollution control. |
| 01/20/1987 | CA1216781A1 Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith |
| 01/15/1987 | WO1987000220A1 Arrangement for the flocculation of flocculable substances, particularly for the purification of effluents from deinking installations for used paper processing |
| 01/15/1987 | DE3524385A1 Apparatus for separating off solid components from liquids |
| 01/14/1987 | CN86105838A Ceramic members and a method and mould for producing them |
| 01/07/1987 | EP0207791A2 Improved apparatus for impeding fine sediment deposition in harbors and navigational channels |
| 01/06/1987 | US4634535 Drilling mud cleaning method and apparatus |
| 01/06/1987 | US4634526 Sidewall mounted clarifier |
| 01/02/1987 | DE3619926A1 Apparatus for treating a liquid containing contaminates |
| 01/02/1987 | DE3525788A1 Method and arrangement for controlling the addition of chemicals for flocculating flocculable substances in suspensions, especially for purifying the backwater of de-inking installations |
| 12/30/1986 | CA1215912A1 Rake drive and lifting device for sedimentation apparatus |
| 12/24/1986 | CN86201178U High weir enclosing plate machine for concentrating |
| 12/23/1986 | US4630776 Liquid dispersal device |
| 12/16/1986 | US4629477 Coagulating compositions containing a cyanamide component for coagulating lacquers, waxes and coating compositions |
| 12/09/1986 | US4628204 Optical method to study the stability of colloidal systems |
| 12/04/1986 | WO1986007048A1 Germicidal and purifying agent for drinking water |
| 12/03/1986 | EP0203761A2 Process for water treatment |
| 12/03/1986 | EP0203316A2 Method and apparatus for separating metals and other solid materials from liquids |
| 12/02/1986 | US4626360 Apparatus for separating sand and oil from a waste water stream |
| 12/02/1986 | US4626353 Side skimmer for use in a channel |
| 12/02/1986 | US4626345 Flocculation, floatation, and filtration; for drinking |
| 12/01/1986 | EP0125306A4 Improved clarifier/thickener. |
| 11/26/1986 | EP0202780A2 Flocculation processes |
| 11/25/1986 | US4624787 Lifting mechanism for sedimentation device |
| 11/20/1986 | EP0202071A2 Fuel filter |
| 11/12/1986 | EP0201237A2 Flocculation processes |
| 11/11/1986 | US4621928 Treatment system and method for fluids containing particulate matter |
| 11/04/1986 | CA1213608A1 2-hydroxypropane sulphonic acid derivatives; their preparation and curable compositions containing them |
| 10/28/1986 | US4619771 Technique for increased retention time in oil field settling tanks |
| 10/23/1986 | WO1986005998A1 Pivot pin bearing for biomedical systems |
| 10/22/1986 | EP0198334A2 Water clarifier and sewage treatment device |
| 10/22/1986 | CN86102296A Water treatment plastic products for rectangular clarifiers |
| 10/21/1986 | US4618414 Process for separating mineral ultra-fine grain from washings obtained in coal processing or from coal slurries |
| 10/14/1986 | US4617130 Cavitation |
| 10/01/1986 | EP0195826A1 Mixing, sedimentation device or the like for liquids containing particles |
| 09/30/1986 | US4614589 Method and apparatus for biological aerobic wastewater treatment |
| 09/25/1986 | WO1986005412A1 A lamella separator |
| 09/23/1986 | CA1211722A1 Device for the separation of substances contained in a liquid |
| 09/17/1986 | EP0194271A1 Closed hemapheresis system. |
| 09/16/1986 | US4611955 Slurry pump tram control apparatus |
| 09/10/1986 | EP0193565A1 Apparatus for clarification of water. |
| 09/10/1986 | CN85201944U Sludge disposal tower for automatic vehicle-washing bench |
| 09/09/1986 | US4610801 Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith |
| 09/09/1986 | US4610785 Paint spray booths, water washes |
| 09/03/1986 | CN86200155U Combined inclined plate to form side flowing |
| 09/02/1986 | CA1210693A1 Method and apparatus for separating lymphocytes from anticoagulated blood |
| 08/26/1986 | US4608179 Continuous process for the dewatering of phosphate slimes |
| 08/26/1986 | US4608165 For upper region of tank contained liquid |
| 08/20/1986 | EP0191483A2 Method and apparatus for biological aerobic wastewater treatment |
| 08/12/1986 | US4605501 Flow divider for distribution systems |
| 08/12/1986 | CA1209735A1 Water-in-oil emulsions of water-soluble cationic polymers and a process for preparing such emulsions |
| 07/31/1986 | WO1986004256A1 A scraping device in a settling basin |
| 07/30/1986 | EP0188483A1 Process and system for sludge processing |
| 07/29/1986 | US4603033 Salt harvester for harvesting salt in elongated solar salt crystallizer |
| 07/29/1986 | US4603000 Process and apparatus for flocculating and clarifying a solid-liquid slurry |
| 07/24/1986 | EP0122270A4 Separation of multi-phase systems. |
| 07/22/1986 | US4601833 Device for removing separated fluids and method for using same |
| 07/22/1986 | CA1208022A1 Process and apparatus for recovery of water from dispersions of soot and water |
| 07/16/1986 | EP0187275A2 Novel graft polyacrylamide copolymers and processes for their preparation and use |