The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 18, 2022
Filed:
Jun. 21, 2018
China Energy Investment Corporation Limited, Beijing, CN;
National Institute of Clean-and-low-carbon Energy, Beijing, CN;
Peng Wang, Beijing, CN;
Yijun Lv, Beijing, CN;
Kui Zhagn, Beijing, CN;
Fuguo Jiang, Beijing, CN;
Zhuowu Men, Beijing, CN;
Tao Wang, Beijing, CN;
Qi Sun, Beijing, CN;
Ping Miao, Beijing, CN;
China Energy Investment Corporation Limited, Beijing, CN;
National Institute of Clean-and-Low-Carbon Energy, Beijing, CN;
Abstract
The present disclosure relates to the field of Fischer-Tropsch synthesis reaction catalysts, and discloses a pure phase ε/ε' 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 Hto a surface purification treatment at the temperature of 250-510° C.; (2) pretreating the material obtained in the step (1) with Hand CO at the temperature of 80-180° C., wherein the molar ratio of H/CO is 1.2-2.8:1; (3) carrying out carbide preparation with the material obtained in the step (2), Hand CO at the temperature of 180-280° C., wherein the molar ratio of H/CO is 1.0-3.0:1. The preparation method has the advantages of simple and easily obtained raw materials, simple and convenient operation steps, being capable of preparing the 100% pure phase ε/ε′ iron carbide catalyst having lower selectivity of COand CHand higher selectivity of effective products.