活性炭催化剂上甲基叔丁基醚裂解反应动力学的研究

摘要常压下,在265～295℃温度范围内,用内循环无梯度反应器对甲基叔丁基醚(MTBE)在CRN型活性炭催化剂上裂解制异丁烯的反应动力学进行了研究。研究结果表明,裂解反应由吸附的MTBE生成非吸附产物的不可逆表面反应所控制,其本征动力学方程为 (-r_A)=κP_A/(1+κ_AP_A)式中κ=2.6167×10~9 exp(-1.4730×10~2/RT) κ_A=8.6829×10~6 exp(-1.1661×10~2/RT)

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	高崇
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关键词：动力学裂解甲基叔丁基醚异丁烯动力学裂解甲基叔丁基醚异丁烯

Abstract： Under normal pressure and 265～295℃, the kinetics of cracking methyl tert-butyl ether (MTBE) into isobutene on activated Carbon catalyst was studied. Results show that the reaction is controlled by irreversible surface reaction which implies the adsorbed MTBE cracked into unadsorbed product. The kinetic equation is:(-r_A)=κP_A/(1+κ_AP_A)where κ=2.6167×10~9exp(-1.473×10~2/RT)κ_A=8.6829×10~6exp(-1.1661×10~2/RT)

Keywords： kinetics cracking MTBE isobutene

Received 1992-01-15; published 1992-01-15

引用本文:

高崇;罗忠禹;王树青;.活性炭催化剂上甲基叔丁基醚裂解反应动力学的研究[J]. 化学工业与工程, 1992,9(1): 12-19

Gao Chong Luo Zhongyu Wang Shuqing.Cracking Kinetics of Methyl Tert-Butyl Ether on Activated Carbon Catalyst[J]. Chemcial Industry and Engineering, 1992,9(1): 12-19