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Vapor-Phase Synthesis of N, N - Diethyl Aniline
Author(s): ZHENG Haitao, TAO Keyi
Pages: 844-
846
Year: 2001
Issue:
11
Journal: PETROCHEMICAL TECHNOLOGY
Keyword: 苯胺; 乙醚; 氧化铝催化剂;
Abstract: 采用乙醚作烷基化试剂,在氧化铝催化剂上对气相法N,N-二乙基苯胺的合成进行了研究.考察了反应温度、原料配比和空速等因素对反应的影响,确定了最佳工艺条件:温度310℃、空速1.0 h-1,n(乙醚)/n(苯胺)=1.5.在此基础上,进行了1800h的稳定性试验和100ml催化剂单管放大试验.结果表明,该催化剂稳定性良好,且小试与放大试验结果基本一致.
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