| Patents for B03D 1 - Flotation (8,101) |
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| 06/01/1993 | CA1318730C Method of separating carbonaceous components from particulate coal containing inorganic solids and apparatus therefor |
| 05/30/1993 | CA2056647A1 Process and an apparatus for cleaning construction rubble |
| 05/28/1993 | WO1993010904A1 Flotation separation of arsenopyrite from pyrite |
| 05/28/1993 | CA2099572A1 Flotation separation of arsenopyrite from pyrite |
| 05/27/1993 | DE4138848A1 Sepn. process for removing emulsified components, e.g. hydrocarbon from water - by flotation, with recirculation of water from clean water tanks to mixer with aeration device |
| 05/26/1993 | EP0542835A1 Method and apparatus for improving flotation separation |
| 05/26/1993 | CN1072354A Production process of bar or granular xanthate |
| 05/12/1993 | CN1020581C Apparatus for thickening by flotation of slurries produced during treatment of waters |
| 05/12/1993 | CN1020551C Process for foam-floatation of useful component in ore |
| 05/05/1993 | EP0532494A4 Improved water clarifying apparatus |
| 05/04/1993 | US5207920 Centrifugal flotation separator |
| 04/28/1993 | CN1071353A Method for separating special metal from metal scrap |
| 04/27/1993 | US5205926 Froth flotation machine |
| 04/21/1993 | CN2130112Y Denzity adjustable floatatron machine |
| 04/15/1993 | WO1993007110A1 Method of concentrating and or cleaning coal and minerals by flotation using hydroxyimone ethers |
| 04/15/1993 | WO1993006935A1 Method of producing iron-ore concentrates by froth flotation |
| 04/15/1993 | DE4133388A1 Verfahren zur anreicherung und/oder reinigung von kohle und mineralien durch flotation A method for enrichment and / or cleaning of coal and minerals by flotation |
| 04/15/1993 | CA2120742A1 Method of producing iron ore concentrates by froth flotation |
| 04/14/1993 | EP0537037A1 Flotation device for treatment of waste water contaminated with hydrocarbons |
| 04/14/1993 | CN1020259C Branch carrier floatation and agitating tank with perforated baffle |
| 04/13/1993 | CA1316275C Froth flotation process for the recovery of minerals and a collector composition for use therein |
| 04/08/1993 | DE4133063A1 Verfahren zur herstellung von eisenerzkonzentraten durch flotation Process for the production of iron ore concentrates by flotation |
| 04/07/1993 | EP0536015A1 Cyclone-turbines for installation in flotation devices for treatment of waste water contaminated with hydrocarbons |
| 04/07/1993 | EP0535419A1 Process for separating plastics by flotation |
| 04/07/1993 | EP0496765A4 Method and apparatus for separation by flotation in a centrifugal field |
| 04/07/1993 | CN2129175Y Double-impeller self-suction inpulp flotation machine |
| 04/06/1993 | US5199684 Discharge valve for dissolved air flotation |
| 03/31/1993 | CN1020179C Separation method of Cu and Sn mixed filings |
| 03/31/1993 | CN1020178C Method for electrochemical floatation of pyrite and arsenopyrite |
| 03/25/1993 | DE4130975A1 Sludge water removal in reduced time - uses hydrophobic reagent additive before mechanical water extn. to reduce process times |
| 03/24/1993 | EP0533224A2 Processing complex mineral ores |
| 03/24/1993 | EP0532494A1 Improved water clarifying apparatus. |
| 03/18/1993 | WO1993004784A1 Improved apparatus and method for deinking waste paper pulp |
| 03/18/1993 | WO1993004783A1 Processing of ores |
| 03/18/1993 | CA2117071A1 Improved apparatus and method for deinking waste paper pulp |
| 03/18/1993 | CA2116322A1 Processing of ores |
| 03/17/1993 | CN2128167Y Self-pumping pulp type floatation machine |
| 03/15/1993 | CA2078098A1 Process for the separation of plastics by flotation |
| 03/10/1993 | EP0530233A1 Process for recovering minerals from non-pyritiferous ores by flotation |
| 03/09/1993 | US5192423 Froth flotation |
| 03/04/1993 | DE4115920A1 Verfahren und vorrichtung zur reinigung koerniger materialien von fettigen substanzen, insbesondere oel Method and device for cleaning granular material of fatty substances, in particular oel |
| 03/03/1993 | EP0529149A1 Flotation plant with vertical lamellae |
| 03/03/1993 | CN2127640Y Jet-type flotation machine |
| 03/03/1993 | CA2076473A1 Method for adjusting the height level of foam surface in flotation machines |
| 02/23/1993 | US5188809 Method for separating coke from a feed mixture containing zirconium and radioactive materials by flotation process |
| 02/23/1993 | US5188729 Sludge collection apparatus for a water clarifier |
| 02/23/1993 | US5188726 Method of operating a plurality of minerals separation flotation cells |
| 02/23/1993 | CA1313845C Flotation apparatus |
| 02/18/1993 | WO1993002966A1 Dewatering of aqueous suspensions |
| 02/18/1993 | CA2114437A1 Dewatering of aqueous suspensions |
| 01/30/1993 | CA2074710A1 Processing complex mineral ores |
| 01/27/1993 | CN1068275A Solid-liquid separating method and apparatus for suspension |
| 01/26/1993 | US5182039 Synergistic fluorinated ore flotation aids |
| 01/26/1993 | US5182014 Method and apparatus for increasing flotation cell recovery and grade of complex copper-containing ores |
| 01/26/1993 | CA1313277C Method for the froth flotation of coal |
| 01/21/1993 | WO1993000999A1 Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation |
| 01/19/1993 | US5180852 Preparation of bis(organothio) alkanes |
| 01/19/1993 | US5180511 Clays and alkali metal aluminates with oleic acid and alkali hydroxide |
| 01/05/1993 | US5176835 Apparatus for continuous purification of liquids |
| 01/05/1993 | US5176822 Flotation machine for deinking |
| 12/29/1992 | US5174973 Method and apparatus for effecting gas-liquid contact |
| 12/29/1992 | CA1312152C Pressurized flotation module and method for pressurized foam separation |
| 12/22/1992 | US5173184 Wastewater treatment apparatus |
| 12/22/1992 | US5173177 Anti-plugging adjustable orifice for gas sparged hydrocyclone |
| 12/22/1992 | US5173176 Dialkylated aryl monosulfonate collectors useful in the flotation of minerals |
| 12/22/1992 | CA1311864C Process to upgrade andalousite |
| 12/16/1992 | CN1019504B Process for deashing coal |
| 12/15/1992 | US5171428 Sulfiting; float flotation of pyrites |
| 12/15/1992 | US5171427 Sulfonated and carboxylate collector compositions useful in the flotation of minerals |
| 12/15/1992 | CA1311496C 1,4-disubstituted-2,3,5,6-tetrahydroxy-1, 4-diphosphorinanes and their oxides or sulfides |
| 12/10/1992 | WO1992021443A1 Flotation process for obtaining minerals from non-sulphidic ores |
| 12/10/1992 | DE4118751A1 New N-substd. 3,3-imino:di:propionic acid derivs. - useful as surfactants, esp. flotation aids, flocculating agents, corrosion inhibitors and foaming agents for aerated concrete |
| 12/09/1992 | CN2124073U 射流管式浮选机 Jet pipe flotation machine |
| 12/08/1992 | US5169004 Method of and apparatus for treating building rubble |
| 12/03/1992 | DE4117671A1 Verfahren zur gewinnung von mineralien aus nichtsulfidischen erzen durch flotation A method for extraction of minerals from ores by flotation nonsulfidic |
| 12/01/1992 | US5167798 Apparatus and process for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles |
| 12/01/1992 | US5167375 Apparatus for mineral matter separation |
| 12/01/1992 | CA1310941C Natural calcium carbonate ores |
| 11/26/1992 | WO1992020826A1 Ion flotation of platinum ions |
| 11/26/1992 | WO1992020452A1 Process and device for cleaning fatty substances, especially oil, from granular materials |
| 11/25/1992 | EP0514800A2 Device for pneumatic flotation |
| 11/25/1992 | EP0514741A2 Flotation device for removing impurities, particularly printing inks from waste paper suspensions |
| 11/25/1992 | CN2122686U Gravity separator |
| 11/25/1992 | CN1066406A Floatation machine |
| 11/14/1992 | WO1992020421A1 Coal dewatering |
| 11/14/1992 | CA2086935A1 Coal dewatering |
| 11/11/1992 | EP0512464A1 Process for separating polyethylene terephthalate from polyvinyl chloride |
| 11/10/1992 | CA1310145C Ore flotation and mineral flotation agents for use therein |
| 11/10/1992 | CA1310144C Process for recovering barite from drilling muds |
| 11/03/1992 | US5160611 Apparatus for aerating water |
| 11/03/1992 | US5160610 Radial header for dissolved air flotation systems |
| 10/30/1992 | CA2041413A1 Flotation separation of matte |
| 10/29/1992 | WO1992018654A1 Process for the treatment of ion flotation froths |
| 10/27/1992 | US5158678 Water clarification method and apparatus |
| 10/15/1992 | WO1992017260A1 Material treatment apparatus |
| 10/06/1992 | US5152175 Bubble measurement cell |
| 09/29/1992 | US5151177 Method and apparatus for dissolved air flotation with aeration |
| 09/29/1992 | CA2064383A1 Froth flotation of fine particles |
| 09/29/1992 | CA2064357A1 Froth flotation of fine coal or mineral particles |
| 09/28/1992 | CA2057409A1 Anti-plugging adjustable orifice for gas sparged hydrocyclone |