| Patents for B03B 9 - General arrangement of separating plant, e.g. flow sheets (5,723) |
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| 06/02/1981 | US4270447 Mobile installation for the cold treatment of refuse |
| 05/27/1981 | EP0029222A2 Integrated flotation and filtration device and method for combined flotation and filtration |
| 05/26/1981 | US4269700 Flotation of inorganic materials from glass using hydrocarbon sulfonates |
| 05/26/1981 | US4269699 Bioadsorption alteration of iron sulfide surfaces |
| 05/19/1981 | US4268271 Crushing; separation by particle size |
| 05/14/1981 | WO1981001296A1 Process for beneficiating and stabilizing coal/oil/water fuels |
| 05/13/1981 | EP0028586A1 Device for separating sand and/or gravel from water fed by a dredging suction pump, or for separating other granulated material from a fluid flow |
| 05/12/1981 | CA1101137A1 Coal beneficiation |
| 05/05/1981 | US4265770 Treatment with anionic polyelectrolyte flocculating agent, agglomeration |
| 05/05/1981 | US4265737 Methods and apparatus for transporting and processing solids |
| 05/05/1981 | US4265636 Use of formaldehyde as a chemical embrittling agent for waste |
| 05/05/1981 | US4265408 Sorting machine |
| 04/28/1981 | US4264352 Comminution, elevation of moisture content for aerobic digestion |
| 04/28/1981 | CA1100069A1 Method of removing ash components from high-ash content coals |
| 04/21/1981 | US4263013 Coal cleaning |
| 04/14/1981 | CA1099245A1 Method and apparatus for removing zinc type metals and compounds in dust recovery process in iron manufacture |
| 04/14/1981 | CA1099244A1 Reclamation of conductive wire from cable |
| 04/08/1981 | EP0026200A1 A method of recovering high-grade fuel from solid mineral-fuel raw material. |
| 03/31/1981 | CA1098466A1 Process and apparatus for separating coarse sand particles and recovering bitumen from tar sands |
| 03/24/1981 | US4257879 Process for dewatering coal slurries |
| 03/24/1981 | US4257878 Removal of part of clay by agitation in an aqueous medium and separation |
| 03/24/1981 | CA1098101A1 Method for improving fibrous matter recovered from refuse |
| 03/17/1981 | US4256571 Recovery of silicon carbide whiskers from coked, converted rice hulls by selective flocculation-liquid extraction |
| 03/17/1981 | US4256267 Magnetic separation |
| 03/10/1981 | US4254878 Screen for separating objects by shape |
| 03/03/1981 | US4253940 Method and apparatus for separating waste materials |
| 03/03/1981 | CA1096837A1 Process for upgrading oxidised nickeliferous ores of lateritic origin |
| 02/24/1981 | US4252639 Coal beneficiation processes |
| 02/24/1981 | US4252603 Preparation of asbestos fibers |
| 02/24/1981 | US4252577 Method and apparatus for treating metal scrap cuttings |
| 02/19/1981 | WO1981000394A1 Device in pipe conveyors |
| 02/17/1981 | US4251353 Method of treating refuse to separate valuable constituents |
| 02/10/1981 | US4250027 Scouring |
| 02/10/1981 | US4250023 Method and system for slurrying fibrous organic materials and removing grit therefrom |
| 02/10/1981 | US4249906 Method and apparatus for handling flux fines |
| 02/10/1981 | US4249699 From mineral matter |
| 02/10/1981 | CA1095461A1 Variable wall and vortex finder hydrocyclone classifier |
| 02/03/1981 | US4248697 Aqueous slurries of carbonaceous solids, clays, sand, and pyrite |
| 02/03/1981 | US4248696 Flotation separation of glass from a mixture of comminuted inorganic materials |
| 01/21/1981 | EP0022659A1 Carbonaceous solids cleaning process |
| 01/20/1981 | US4245999 Method and apparatus for obtaining low ash content refuse fuel, paper and plastic products from municipal solid waste and said products |
| 01/13/1981 | US4244813 Method of increasing fine coal filtration efficiency |
| 01/13/1981 | US4244530 Grinding |
| 01/07/1981 | EP0021780A1 Process for removal of sulfur and ash from coal |
| 01/07/1981 | EP0021779A1 Process for removal of sulfur and ash from coal |
| 01/06/1981 | US4243520 Method for separation of large sized salt containing minerals |
| 01/06/1981 | CA1093045A1 Recovery of glass from solid waste |
| 12/30/1980 | US4242197 Method of and apparatus for classifying refuse |
| 12/30/1980 | CA1092363A1 Filtration dewatering of iron ore concentrates |
| 12/23/1980 | US4240210 Method and apparatus for utilizing solar energy in a water and waste management system |
| 12/16/1980 | CA1091622A1 Coal recovery system from mine tailings |
| 12/09/1980 | US4238333 Waste water-oil separator |
| 11/25/1980 | US4235707 Method and apparatus for treating solid municipal refuse and other cellulose containing material |
| 11/11/1980 | CA1089189A1 Disposal of the residue of the exhaust gas washers of furnaces in particular bituminous coal power stations |
| 11/04/1980 | US4231998 Method for separating carbon black from fiberglass |
| 11/04/1980 | CA1088883A1 Beneficiation of heavy minerals from bituminous sands residues by dry screening |
| 10/28/1980 | CA1088444A1 Method of removing ash components from high-ash coals |
| 10/21/1980 | US4229293 Dewatering of slimes from phosphate ores |
| 10/16/1980 | WO1980002153A1 Improved method of removing gangue materials from coal |
| 10/16/1980 | WO1980002152A1 A method of recovering high-grade fuel from solid mineral-fuel raw material |
| 10/15/1980 | EP0017504A1 Cement slurry reclamation system and method |
| 10/14/1980 | US4227653 Method of processing waste materials |
| 10/07/1980 | US4226708 Variable wall and vortex finder hydrocyclone classifier |
| 10/07/1980 | US4226542 Cement slurry reclamation system and method |
| 09/30/1980 | US4225640 Method of reclaiming thermoplastic materials from municipal waste and product produced thereby |
| 09/17/1980 | EP0015736A2 Method of recovering coal by coal handling operations and system therefor |
| 09/16/1980 | US4222857 Apparatus for separating selected particulate materials from a mixture of solids and liquids |
| 09/16/1980 | CA1085796A1 Apparatus for disposal of solid wastes and the recovery of fuel product therefrom |
| 09/09/1980 | CA1085520A1 Handling of waste material |
| 09/09/1980 | CA1085172A1 Flotation process |
| 09/02/1980 | US4220523 Flotation of finer silica, screening, comminution |
| 09/02/1980 | CA1084885A1 Apparatus for the separation of plastic films from paper |
| 08/26/1980 | US4219381 Method of treating waste paper for obtaining a stock suspension for the production of new paper and apparatus for the performance of the aforesaid method |
| 08/20/1980 | EP0014289A1 Method for separating plastics and metal from metallized plastic |
| 08/12/1980 | US4216836 Process and system for recovering solid particulate additives from a drilling fluid |
| 07/29/1980 | US4214987 Two stage wastewater flotation |
| 07/22/1980 | US4213942 Tungsten or tin ores |
| 06/24/1980 | US4209301 Oil in water emulsion for agglomeration of coal fines |
| 06/24/1980 | CA1080157A1 Process for separating mixtures of particles |
| 05/28/1980 | EP0011592A1 Apparatus for processing refuse |
| 05/27/1980 | US4204906 Method of separating fusible plastics from solid waste |
| 05/20/1980 | US4203831 6/30 Coal washing plant |
| 05/20/1980 | US4203376 Treatment of waste |
| 04/29/1980 | US4200486 Sorting by cyclone separators and screens |
| 04/29/1980 | CA1076368A1 Upgrading the nickel content from low grade nickel lateritic iron ores by a combined process of segregation and magnetic separation or flotation |
| 04/22/1980 | US4199109 Method for recovering different plastic materials from laminated articles |
| 04/15/1980 | US4198291 Float-sink separation of coal with liquid SO2 |
| 04/15/1980 | US4198289 Froth flotation at boiling |
| 04/01/1980 | US4196078 Process and apparatus for dewatering granulated material, especially granulated blast furnace slag |
| 03/25/1980 | US4194968 Method and apparatus for separating magnetic particles from waste paper |
| 03/19/1980 | EP0008621A1 Cylindrical screen with built-in shredder, especially for garbage |
| 03/18/1980 | CA1073859A1 Particulate mineral separation process |
| 03/11/1980 | US4192738 Magnetic separation |
| 03/11/1980 | US4192651 Flashing |
| 03/04/1980 | US4191336 Slurrying, magnetic separation, crushing, drying |
| 02/12/1980 | US4187775 Method of and device for treating heterogeneous waste |
| 02/05/1980 | CA1071063A1 Method of cleaning raw ore by washing, heating and drying it |
| 01/29/1980 | US4185680 Process for producing useful concentrated slurries from waste material |
| 01/08/1980 | CA1069623A1 Apparatus and method for separating a mixture of liquid and coal fines |
| 12/11/1979 | US4178233 Fluorinated hydrocarbons in coal mining and beneficiation |