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申请号:201911271758.8 公开号:CN110898852A 主分类号:B01J29/44
摘要:【中文】本发明涉及一种SOF2水解催化剂的制备方法,首先将三嵌段共聚物F127作为介孔模板剂加入去离子水中,再依次加入异丙醇铝和正硅酸乙酯,剧烈搅拌3‑5小时,将得到的溶液逐滴加入小分子模板剂四丙基氢氧化铵,继续搅拌至固化形成凝胶,再将固体干凝胶在160℃用蒸汽辅助的方法晶化处理,晶化处理后需要水洗和醇洗,再经过干燥和煅烧得到mZSM‑5分子筛,最后将mZSM‑5分子筛浸渍在氯铂酸标准溶液中,使分子筛负载金属Pt,再经干燥、煅烧、压片、粉碎、过筛得到催化剂Pt/mZSM‑5;本发明具有催化效果好、制备工艺简单、可加速水解反应的优点。 【EN】The invention relates to a SOF2Adding a triblock copolymer F127 serving as a mesoporous template into deionized water, sequentially adding aluminum isopropoxide and ethyl orthosilicate, violently stirring for 3-5 hours, dropwise adding a small molecular template tetrapropylammonium hydroxide into the obtained solution, continuously stirring until the solution is solidified to form gel, crystallizing the solid xerogel at 160 ℃ by using a steam-assisted method, washing with water and alcohol after the crystallization treatment, drying and calcining to obtain an mZSM-5 molecular sieve, finally soaking the mZSM-5 molecular sieve in a chloroplatinic acid standard solution to enable the molecular sieve to load metal Pt, and drying, calcining, tabletting, crushing and sieving to obtain a catalyst Pt/mZSM-5; book (I)The invention has the advantages of good catalytic effect, simple preparation process and capability of accelerating hydrolysis reaction.
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