| 引用本文: | 申延明,戎梅竹,刘宏伟,吴静,张振祥,霍健. SO42-/TiO2固体超强酸制备及其气相催化乙醇与叔丁醇制备ETBE性能[J]. 石油与天然气化工, 2006, 35(3): 172-174. |
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| 摘要: |
| 选取TiO2为载体，采用沉淀一浸渍法制备了负载型SO4^2-／TiO2固体超强酸催化剂。并运用IR、XRD、比表面积、全硫测定、酸性测定等表征了催化剂。测试结果表明，所制备的催化剂具有固体酸的特征，酸性与焙烧温度有关，适当提高焙烧温度有利于样品酸强度的提高，但焙烧温度过高会导致脱硫；浸渍液H2SO4浓度高有利于提高催化剂的硫含量，但是浓度过高，会在催化剂表面形成硫酸盐．从而降低催化剂的比表面积，酸性降低。气相催化乙醇与叔丁醇制备ETBE的催化活性表明，ETBE的选择性为43．60％。 |
| 关键词: 固体超强酸催化剂 气相催化合成 |
| DOI： |
| 分类号:O642.42 TQ655 |
| 基金项目: |
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| Preparation of SO42 -/TiO2 Super - acid Catalyst and Activity for Gas Phase Synthesis of Ethyl Tert - butyl Ether from Ethanol and Tert - butyl Alcohol |
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Shen Yanming Rong Meizhu Liu Hongwei et al
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| Abstract: |
| In this paper, TiO_2 was used as carrier, solid super-acid catalysts SO~ 2- _4/TiO_2 were prepared by precipitation-impregnation method and characterized by XRD, IR, BET surface area, chemical anlysis,etc. The results showed that catalysts had the charact |
| Key words: TiO2 ETBE |
