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SYNTHESIS OF ETHYL TERT-BUTYL ETHER OVER MODIFIED ZEOLITE β
Author(s): 
Pages: 89-94
Year: Issue:  z1
Journal: ACTA PETROLEI SINICA

Keyword:  乙基叔丁基醚合成β沸石;
Abstract: 研究了改性β沸石在合成乙基叔丁基醚(ETBE)反应中的催化活性,反应条件为温度60~90℃,压力2~3 MPa.实验结果表明,该反应中异丁烯为关键组分,其转化率为60%~93.3%,选择性为100%; β沸石独特的孔结构抑制了异丁烯二聚物的生成;反应温度和醇烯比是异丁烯转化率的主要影响因素,压力对其影响不大.经过高温乙酸水蒸汽处理的β沸石与D005树脂的催化活性相当,而β沸石的选择性和热稳定性更佳.
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