| Patents for B03D 3 - Differential sedimentation (679) |
|---|
| 10/19/1982 | US4354941 Hydrocarbon or vegetable oils in sludge |
| 10/19/1982 | CA1133700A1 Process of beneficiating coal and products |
| 09/16/1982 | WO1982003020A1 Lamellar construction for treating liquids |
| 09/15/1982 | EP0051623A4 Coal preparation. |
| 08/24/1982 | CA1130259A1 Processes for recovering coal |
| 08/24/1982 | CA1130231A1 Coal recovery process |
| 08/03/1982 | US4342657 Method for breaking petroleum emulsions and the like using thin film spreading agents comprising a polyether polyol |
| 07/13/1982 | US4339042 Treatment of minerals |
| 07/07/1982 | EP0055489A1 A process for the flocculation of mineral containing slurries |
| 06/24/1982 | WO1982002008A1 Selective rheological separation of clays |
| 06/15/1982 | US4334985 Selective rheological separation of clays |
| 06/01/1982 | US4332593 Process for beneficiating coal |
| 05/19/1982 | EP0051623A1 Coal preparation. |
| 05/11/1982 | CA1123309A2 Destabilization of sludge with hydrolyzed starch flocculants |
| 05/04/1982 | US4328093 Device for separating granulated material from a fluid flow |
| 04/27/1982 | US4326985 Micellar solutions of thin film spreading agents comprising an acylated polyether polyol |
| 04/27/1982 | US4326984 Demulsifiers |
| 04/27/1982 | US4326983 Micellar solutions of thin film spreading agents comprising a polyether polyol |
| 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 |
| 04/20/1982 | US4325819 Coal washing plant |
| 03/23/1982 | CA1120408A1 Apparatus for clarifying waste water |
| 03/02/1982 | CA1119321A1 Beneficiation and dewatering of slurries |
| 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 |
| 02/02/1982 | CA1117621A1 Input monitoring system for sand classifying tank |
| 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 | CA1115485A1 Process for removing humic matter from phosphoric acid solutions |
| 12/22/1981 | US4306981 Method for breaking petroleum emulsions and the like comprising resinous polyalkylene oxide adducts |
| 12/08/1981 | US4304573 Process of beneficiating coal and product |
| 11/26/1981 | WO1981003337A1 Coal preparation |
| 11/03/1981 | US4298169 Selective flocculation, magnetic separation, and flotation of ores |
| 11/03/1981 | US4298160 Solid bowl decanter centrifuges |
| 10/20/1981 | US4295858 Deashing, surface modification of pyrite with ferrous compound, hydrocarbon oil agglomeration |
| 08/18/1981 | US4284244 Purification |
| 08/04/1981 | US4282087 Selective flocculation for iron values |
| 07/29/1981 | EP0032811A2 A process for the beneficiation of coal and beneficiated coal product |
| 06/23/1981 | US4274945 Carboxylated polyacrylamide flocculants |
| 06/09/1981 | US4272250 Process for removal of sulfur and ash from coal |
| 06/02/1981 | US4270927 Hydrocarbon oil slurry to form coal aggregates which can be size classified |
| 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 |
| 05/05/1981 | US4265770 Treatment with anionic polyelectrolyte flocculating agent, agglomeration |
| 04/21/1981 | US4263148 Process for removing humic matter from phosphoric acid solutions |
| 03/17/1981 | US4256571 Recovery of silicon carbide whiskers from coked, converted rice hulls by selective flocculation-liquid extraction |
| 03/03/1981 | US4253970 For recovering powders from slurries |
| 03/03/1981 | US4253614 Recovery from ores using selective flocculation |
| 02/10/1981 | US4249699 From mineral matter |
| 02/03/1981 | US4248698 Coal recovery process |
| 02/03/1981 | US4248697 Aqueous slurries of carbonaceous solids, clays, sand, and pyrite |
| 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 |
| 12/16/1980 | CA1091622A1 Coal recovery system from mine tailings |
| 10/07/1980 | CA1087133A1 Solid-liquid separation of laterite slurries |
| 09/30/1980 | US4225426 Magnetic beneficiation of clays utilizing magnetic particulates |
| 09/30/1980 | US4225425 Method for separating metallic minerals utilizing magnetic seeding |
| 09/30/1980 | US4224942 Cell fractionating method |
| 07/29/1980 | US4214987 Two stage wastewater flotation |
| 07/29/1980 | US4214981 Steric field-flow fractionation |
| 07/08/1980 | CA1081162A1 Oil in water emulsion type oleo and hydrophilic separations |
| 04/22/1980 | US4199080 Input monitoring system for sand classifying tank |
| 03/25/1980 | US4194969 Modifying formation of slimes by adding water soluble salts of aluminum. magnesium or zirconium |
| 02/05/1980 | US4186887 Processes for recovering coal |
| 01/22/1980 | US4184967 Apparatus for clarifying waste water |
| 11/27/1979 | US4176058 Method means for de-silting water |
| 08/14/1979 | CA1060589A1 Treatment of solids-liquid-gas mixtures |
| 04/17/1979 | CA1052586A1 Process for oxidizing metal sulfides to elemental sulfur using activated carbon |
| 03/06/1979 | CA1050179A1 Method of reclaiming water and coal from coal treatment underflow by two-stage separation of solids |
| 01/16/1979 | CA1046668A1 Process for treating slurry turbid water |
| 01/09/1979 | US4133742 Separation of hydrocarbons from oil shales and tar sands |
| 10/10/1978 | US4119533 Flotation |
| 08/29/1978 | US4110401 Leaching |
| 05/16/1978 | US4089776 Process for the separation of agglomerated carbonaceous particles from associated inorganic materials |
| 04/25/1978 | US4086160 Treatment of solids-liquid-gas mixtures |
| 03/07/1978 | US4077874 Method removing radioactivity from kaolin |
| 10/04/1977 | US4052298 Treatment of electrophotographic toner compositions |
| 08/16/1977 | US4042512 Oil water separator |
| 05/31/1977 | US4026477 Process for the separation of components of scrap storage batteries |
| 06/01/1976 | US3961005 Spherical agglomeration of ilmenite |
| 01/13/1976 | US3932275 Dewatering, polyacrylamide |
| 01/06/1976 | US3930969 Leaching |