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| Patents for B01J 16 - Chemical processes in general for reacting liquids with non-particulate solids, e.g. sheet material; Apparatus specially adapted therefor (313) |
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| 06/30/1981 | US4276270 Start-up procedure in producing phosphoric acid by the hemihydrate process | | 06/23/1981 | US4275018 Grid for carrying randomly dumped packing in a mass transfer column | | 04/07/1981 | US4260584 Apparatus useful for wet process phosphoric acid production | | 01/07/1981 | EP0021606A1 Apparatus and process for treating a liquid material while it is subjected to a centrifugal force | | 12/30/1980 | US4242308 Controllable reaction medium single reactor for phosphoric acid production | | 11/04/1980 | US4231926 Method and apparatus for hydrolyzing keratinaceous material | | 05/27/1980 | US4205046 Reactor for phosphoric acid production | | 09/05/1979 | EP0003907A1 Chemical process on the surface of a rotating body, the subsequent discharging of the reaction product and the reactor used | | 09/05/1979 | EP0003906A1 Chemical process on the surface of a rotating body with subsequent discharge of the reaction product | | 09/04/1979 | US4166839 Method for producing calcium phosphates | | 08/08/1979 | EP0003266A1 Apparatus for contacting solid particles with a liquid; apparatus and process for the production of phosphoric acid | | 07/26/1979 | WO1979000457A1 Apparatus for contacting solid particles with a liquid apparatus and process for the production of phosphoric acid | | 12/27/1977 | US4065266 Sulfuric acid reacting with phosphate rock |
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