Abstract: The present disclosure relates to the field of Fischer-Tropsch synthesis reaction catalysts, and discloses a pure phase ?/?? iron carbide catalyst for Fischer-Tropsch synthesis reaction, a preparation method thereof and a Fischer-Tropsch synthesis process, wherein the method comprises the following steps: (1) subjecting the nanometer iron powder or a nano-powder iron compound capable of obtaining the nanometer iron powder through in-situ reduction and H2 to a surface purification treatment at the temperature of 250-510° C.; (2) pretreating the material obtained in the step (1) with H2 and CO at the temperature of 80-180° C., wherein the molar ratio of H2/CO is 1.2-2.8:1; (3) carrying out carbide preparation with the material obtained in the step (2), H2 and CO at the temperature of 180-280° C., wherein the molar ratio of H2/CO is 1.0-3.0:1.

Abstract: The present disclosure relates to the technical field of Fischer-Tropsch synthesis reaction catalysts, and discloses a supported ?/?? iron carbide catalyst for Fischer-Tropsch synthesis reaction, preparation method thereof and Fischer-Tropsch synthesis process, wherein the method comprises the following steps: (1) dipping a catalyst carrier in a ferric salt aqueous solution, drying and roasting the dipped carrier to obtain a catalyst precursor; (2) subjecting the catalyst precursor and H2 to a precursor reduction at the temperature of 300-550° C.; (3) pretreating the material obtained in the step (2) with H2 and CO at the temperature of 90-185° C., wherein the molar ratio of H2/CO is 1.2-2.8:1; (4) preparing carbide with the material obtained in the step (3), H2 and CO at the temperature of 200-300° C., wherein the molar ratio of H2/CO is 1.0-3.2:1.

Abstract: The present disclosure relates to the field of Fischer-Tropsch synthesis reaction catalysts, and discloses a pure phase ?/?? iron carbide catalyst for Fischer-Tropsch synthesis reaction, a preparation method thereof and a Fischer-Tropsch synthesis process, wherein the method comprises the following steps: (1) subjecting the nanometer iron powder or a nano-powder iron compound capable of obtaining the nanometer iron powder through in-situ reduction and H2 to a surface purification treatment at the temperature of 250-510° C.; (2) pretreating the material obtained in the step (1) with H2 and CO at the temperature of 80-180° C., wherein the molar ratio of H2/CO is 1.2-2.8: 1; (3) carrying out carbide preparation with the material obtained in the step (2), H2 and CO at the temperature of 180-280° C., wherein the molar ratio of H2/CO is 1.0-3.0: 1.

Abstract: The present disclosure relates to the technical field of Fischer-Tropsch synthesis reaction catalysts, and discloses a supported ?/?? iron carbide catalyst for Fischer-Tropsch synthesis reaction, preparation method thereof and Fischer-Tropsch synthesis process, wherein the method comprises the following steps: (1) dipping a catalyst carrier in a ferric salt aqueous solution, drying and roasting the dipped carrier to obtain a catalyst precursor; (2) subjecting the catalyst precursor and H2 to a precursor reduction at the temperature of 300-550° C.; (3) pretreating the material obtained in the step (2) with H2 and CO at the temperature of 90-185° C., wherein the molar ratio of H2/CO is 1.2-2.8:1; (4) preparing carbide with the material obtained in the step (3), H2 and CO at the temperature of 200-300° C., wherein the molar ratio of H2/CO is 1.0-3.2:1.