| Patents for B03B 9 - General arrangement of separating plant, e.g. flow sheets (5,723) |
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| 09/12/1989 | US4865740 Method and apparatus for separating and recovering particulate material |
| 09/12/1989 | US4865720 Debris separator system |
| 08/31/1989 | DE3805398A1 Process and apparatus for the production of ethanol |
| 08/30/1989 | EP0330046A2 Method for reclaiming plastics for metal/plastics waste materials |
| 08/22/1989 | US4859323 Oil sand cleaning apparatus |
| 08/22/1989 | US4859318 Recovering coal fines |
| 08/22/1989 | US4859211 Waste reclamation system for pelletizing fuel pellets |
| 08/22/1989 | US4858833 Process for recycling fluorescent and television tubes |
| 08/16/1989 | CN1034683A Process for fine coal cleaning |
| 08/15/1989 | CA1258542A1 Control of froth cell performance through the use of differential bubbler tubes |
| 08/10/1989 | WO1989007014A1 Process for treating contaminated soil |
| 08/08/1989 | US4855065 Apparatus and process to separate and remove extraneous matter from a liquid stream |
| 08/01/1989 | US4853133 Coal dewatering |
| 08/01/1989 | US4852815 Transit refuse resource recovery and incineration system |
| 07/27/1989 | DE3836608A1 Method and apparatus for removing at least one fraction from a mixture of valuable substances |
| 07/26/1989 | EP0325324A2 Apparatus and process for reclaiming gravel, soil particles and wood pieces from a mixture of the same |
| 07/26/1989 | EP0325159A2 Method and device for continuously cleaning contaminated soil |
| 07/26/1989 | CN1034147A Method for efficient separation of coal from coal spoil in tow stages of hydrocyclonic separation |
| 07/20/1989 | DE3800204A1 Method and apparatus for sorting plastic refuse |
| 07/18/1989 | US4849116 Process and a plant for separating low density material from substrate mixtures |
| 07/11/1989 | US4846975 Anaerobic digestion process |
| 07/06/1989 | DE3744163A1 Method and plant for processing ore, coal or other minerals |
| 07/04/1989 | US4844351 Method for separation, recovery, and recycling of plastics from municipal solid waste |
| 07/04/1989 | US4844106 Apparatus and method for cleaning shards for recycling |
| 06/21/1989 | EP0321068A1 Apparatus and process to separate and remove extraneous matter from a liquid stream |
| 06/20/1989 | US4840314 Treatment of mercurial waste |
| 06/15/1989 | WO1989005192A1 Process for beneficiating particulate solids |
| 06/15/1989 | DE3741071A1 Apparatus for sorting building rubble in order to obtain building material, in particular concrete aggregate and components, such as wood, which are light with respect to the latter |
| 06/13/1989 | US4838433 Process for the separation of rock refuse and coal products |
| 06/07/1989 | EP0319070A1 An installation for extracting granular material in a predetermined composition and method for using that installation |
| 05/31/1989 | EP0317699A2 System for recovering, selecting and recycling reject plastic containers |
| 05/31/1989 | EP0047310B1 Method for separating undesired components from coal by an explosion type comminution process |
| 05/30/1989 | US4834300 Providing uniform size material for use in a land fill |
| 05/30/1989 | CA1254871A1 Silicon carbide concentration |
| 05/23/1989 | US4832854 Apparatus and process to separate and remove extraneous matter from a liquid stream |
| 05/23/1989 | US4831940 Metal separation system for incinerators |
| 05/23/1989 | CA1254545A1 Solid waste treatment plant for the production of combustibles |
| 05/18/1989 | WO1989004212A1 Anaerobic digestion process |
| 05/17/1989 | EP0316201A1 Method and apparatus for separating and recovering particulate material |
| 05/16/1989 | US4830741 Method for efficient separation of coal from coal spoil in two stages of hydrocyclonic separation |
| 05/16/1989 | US4830699 Process and device for removing objects from the outside of containers |
| 05/16/1989 | US4830188 Plastics separation and recycling methods |
| 05/09/1989 | US4828661 Process for recovery of metals from metal/plastic waste |
| 05/03/1989 | DE3836064A1 Verfahren zum abtrennen von ton aus ultrafeiner kohle und zur anschliessenden entwaesserung der kohle sowie vorrichtung zur durchfuehrung des verfahrens A method for disconnecting from ton of ultrafine coal and subsequent dehydration of the coal and apparatus for performing the method |
| 04/27/1989 | DE3735175A1 Heavy-light fractioning of household-refuse-like industrial waste |
| 04/26/1989 | EP0313116A2 Method of processing contaminated soil |
| 04/13/1989 | DE3732961A1 Use of the fine fraction from sediments of bodies of water |
| 04/12/1989 | EP0310947A2 Device for crushing, washing, draining, separating and drying polluted material |
| 04/06/1989 | DE3732008A1 Cleaning contaminated sludges - by forming aq. suspension and circulating through washers and classifiers |
| 04/05/1989 | EP0310539A2 Method and device for flyash beneficiation |
| 04/05/1989 | EP0310269A1 Method for making low alpha count lead |
| 03/28/1989 | US4816166 Flocculation of coal particles and coal slimes |
| 03/28/1989 | US4815668 Process and device for working up household, industrial and other similar waste |
| 03/28/1989 | US4815667 Conveying between rotating roll and backing plate |
| 03/21/1989 | US4813618 Apparatus and method for sorting demolition debris |
| 03/21/1989 | US4813614 Freezing, crushing in frozen state, separating |
| 03/16/1989 | DE3826490A1 Household-refuse processing device for utilisation and volume reduction of household-refuse |
| 03/15/1989 | EP0307250A2 Method of separating flat metal alloy particles |
| 03/15/1989 | EP0116087B1 Process for producing high brightness clays utilizing magnetic beneficiation and calcining |
| 03/14/1989 | CA1251291A1 Process for treating municipal solid waste |
| 03/09/1989 | DE3733649A1 Method and apparatus for disintegrating, washing, dewatering, separating and drying soiled material |
| 03/09/1989 | DE3728558A1 Verfahren zur wiederaufbereitung des pet von gebrauchten, pet-haltigen produkten, sowie anordnung zur durchfuehrung des verfahrens A method for reprocessing of used the pet, pet-containing products, as well as arrangement for carrying out the method |
| 03/08/1989 | EP0305782A2 Method of and plant for recovering useful products from a mixture of solid waste |
| 03/08/1989 | EP0305510A1 System for centrifugation and for classification of particulate materials |
| 03/07/1989 | US4810371 Process for fine coal cleaning |
| 03/07/1989 | US4809854 Granulation; aqueous medium intermediate in density to resin densities |
| 03/01/1989 | EP0304667A2 Method of recovering PET substances from used PET containing products, and apparatus for carrying out the method |
| 02/15/1989 | EP0303034A2 Method and device for sorting refuse |
| 02/14/1989 | US4804147 Adding metal immobilizing and volumetric stabilizing agents |
| 02/14/1989 | CA1249986A1 Method of separating solids by simultaneous comminution and agglomeration |
| 02/09/1989 | DE3720542C1 Apparatus for opening and dismantling used oil and fuel filter cartridges |
| 02/07/1989 | US4802976 Method for recovering fine clean coal |
| 02/02/1989 | DE3744695A1 Method for dredging and dressing silt from harbours, waterways etc. |
| 02/02/1989 | DE3724251A1 Verfahren und vorrichtung zum baggern von schlick aus hafen, wasserstrassen oder dergleichen Method and device for dredging of silt from harbor, water roads or the like |
| 01/31/1989 | US4801325 Method for producing high-grade fertilizer and useful side products |
| 01/26/1989 | WO1989000630A1 Process and device for dredging silt in ports, waterways and the like |
| 01/26/1989 | DE3725218A1 Method for sorting refuse mixtures and apparatuses suitable therefor |
| 01/04/1989 | EP0298035A2 Method for recycling fluorescent lamps and TV tubes |
| 01/03/1989 | US4795037 Process for separating high ash coal from refuse |
| 12/29/1988 | DE3719583A1 Method for reprocessing Zn- and Pb-containing wastes |
| 12/28/1988 | EP0296791A2 Non-Ferrous metal stripping from electric cables |
| 12/28/1988 | CN87104142A Coal dewatering |
| 12/15/1988 | DE3718016A1 Process for mechanical-chemical-thermal desulphurisation of bituminous coal |
| 12/13/1988 | CA1246479A1 Method for the beneficiation of oxidized coal |
| 12/06/1988 | US4789529 Recovery of zinc from zinc bearing sulphidic ores and concentrates by controlled oxidation roasting |
| 11/17/1988 | WO1988008752A1 Method for the hydromechanical treatment of organic waste for the preparation of fermentable sludge and device for its implementation |
| 11/17/1988 | EP0291425A1 Method and device for the hydromechanical treatment of organic wastes for preparing fermentable sludges |
| 11/17/1988 | EP0291271A1 Method of purifying natural calcium carbonate ores |
| 11/08/1988 | US4782772 Method of directly removing sulfur, with flue dust being returned |
| 11/01/1988 | US4781671 System for classification of particulate materials |
| 11/01/1988 | CA1243985A1 Particle size range separations prior to de-watering |
| 10/27/1988 | DE3711003A1 Hydraulic conveying method in underground mining |
| 10/25/1988 | US4780201 Waste water separator with hydrocyclone, constructive collection passageway and skimmer for separation of flotable contaminants |
| 10/19/1988 | EP0287540A2 The treatment of mercurial waste |
| 10/18/1988 | US4778116 Municipal waste processing apparatus |
| 10/18/1988 | US4778061 Having rotating disc screens; waste treatment and removal |
| 10/11/1988 | US4776859 Process for beneficiating coal by means of selective agglomeration |
| 10/06/1988 | WO1988007400A1 System for centrifugation and for classification of particulate materials |
| 10/04/1988 | US4775697 Separation of polyester or polycarbonate from vinyl chloride-vinylidene chloride copolymer coating by abrading with quartz, rock, and glass |
| 10/04/1988 | US4775627 Coal desulfurization using bacteria adaptation and bacterial modification of pyrite surfaces |