Abstract: The present application relates to the technical field of chemical production, and particularly relates to a molten iron catalyst for high-temperature Fischer-Tropsch synthesis, a preparation method of the molten iron catalyst and an application of the molten iron catalyst in preparation of high-carbon ?-olefin from synthesis gas. The molten iron catalyst comprises iron oxides and a cocatalyst, and mass contents of components are: potassium oxide per 0.1-1 g/100gFe; strontium oxide 0.1-1 g/100gFe; manganese oxide 1-20 g/100gFe, and rare earth metal oxides 1-10 g/100gFe; the rest is iron oxides. The molar ratio of ferric iron to double ferrous iron in the iron oxides, namely Fe3+/2Fe2+, is 0.4-1.5. The application aims to provide a molten iron catalyst with high strength, high activity, and high selectivity of higher ?-olefin.

Abstract: The invention relates to a method for treating oxygenated volatile organic compounds in Fischer-Tropsch synthesis reaction water. Fischer-Tropsch synthesis reaction water is subjected to (a) primary concentration and separation, (b) carbonyl compound hydrogenation, (c) carbonyl compound cutting, (d) mixed-alcohol dehydration, (e) solvent recovery, (f) ethyl alcohol separation, (g) methyl alcohol removal and separation, (h) isopropanol separation, (i) propyl alcohol cutting, (j) n-propyl alcohol separation, and (k) 2-butanol separation, so that basic organic chemicals such as ethyl alcohol, isopropanol, n-propyl alcohol, 2-butanol and mixed alcohols are obtained. Compared with the prior art, the method directly converts the concentrated Fischer-Tropsch synthesis water rich in alcohols, aldehydes, ketones, acids, and esters into a mixed-alcohol solution by hydrogenation, thus having the advantages of simple separation process and high product purity.

Abstract: A gas-liquid-solid three-phase slurry bed industrial reactor capable of achieving continuous operation comprises an inlet gas distribution component composed of a false bottom and inlet gas distribution tubes, one or more layers of heat exchange tube components used for heating/cooling the bed, one or more layers of liquid-solid separator components capable of being cleaned automatically, an outlet gas-liquid-solid entrainment separation component located in the upper portion of the interior of the reactor and used for removing liquid foam and solid entrainments, a plurality of layers of solid concentration uniform distribution devices used for reducing the catalyst concentration gradient and the inlet-outlet temperature difference of the reactor, a flow guiding device located on a component support beam and used for preventing catalyst accumulation, and auxiliary systems including a filter-backflush system and a washing system.