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:
Mar. 27, 2018
Filed:
Sep. 29, 2017
Wanhua Chemical Group Co., Ltd., Yantai, Shandong, CN;
Hua Mei, Shandong, CN;
Hao Chen, Shandong, CN;
Dewei Yu, Shandong, CN;
Congying Zhang, Shandong, CN;
Hui Wang, Shandong, CN;
Yuan Li, Shandong, CN;
Zhongying Chen, Shandong, CN;
Zilin Ni, Shandong, CN;
Qingmei Jiang, Shandong, CN;
Shanjian Cao, Shandong, CN;
Zaigang Yang, Shandong, CN;
Jun Qu, Shandong, CN;
Jinhong Song, Shandong, CN;
Bingbo Hu, Shandong, CN;
Abstract
The present invention relates to a catalyst for fixed bed aniline rectification residue recycling and preparation method thereof. Based on the total weight of the catalyst, the catalyst comprises the following components in percentage by weight: 5-40% of an active component, 2-30% of a first cocatalyst component, 10-30% of a second cocatalyst component and the balance of carrier, wherein the active component is NiO; the first cocatalyst component is one or more of Fe, Mo, Cr or Co oxide; and the second cocatalyst component is one or more of La, Zr, Y or Ce oxide. The catalyst is prepared through co-precipitation. The catalyst shows high activity and stability in the waste liquid treatment process, and can still maintain high rectification residue cracking rate after reaction of 200 hours.