Method for preparing tert-dodecyl mercaptan by using modified Y molecular sieve catalyst

• Main Authors: XU ZHENCHENG, HUANG SHAOFENG, ZOU CHENGCHENG
• Format: Patent
• Language: Chinese; English
• Published: 26.05.2023
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

The invention relates to a method for preparing tert-dodecyl mercaptan by using a modified Y molecular sieve catalyst. According to the method, the modified Y molecular sieve catalyst is used for preparing tert-dodecyl mercaptan by reacting triisobutylene with hydrogen sulfide. The method provided by the invention has the advantages of high product selectivity, long service life of the catalyst, low reaction energy consumption and obvious economic advantages, and is especially suitable for large-scale production. 本发明涉及一种改性Y分子筛催化剂用于制备叔十二烷基硫醇的方法，所述方法采用改性Y分子筛催化剂用于三异丁烯和硫化氢反应制备叔十二烷基硫醇。本发明的方法产物选择性高，催化剂寿命长，反应能耗低，有明显的经济优势，特别适合大规模生产。