Abstract

The propane conversion in a membrane reactor with NIAP–03-01 commercial Ni catalyst at temperatures of 673, 723, 773, and 823 K, feed space velocities of 1800 and 3600 h^–1, and steam/propane ratios of 5 and 7 was studied. The Н₂ removal through the membrane leads to an increase in the conversion of the feed to Н₂ and СО₂ formed by the water-gas shift reaction. The conversion in this reaction increases when the rate of the Н₂ recovery through the membrane is increased by the permeate evacuation. In the temperature interval 773–823 K, the feed conversion is 100%, and about 90% of high-purity Н₂ is recovered from the reaction mixture. An increase in the feed/catalyst contact time leads to a decrease in the feed conversion to the target products and to an increase in the rate of carbon deposit formation. The regularities of the steam conversion of propane in a membrane reactor are similar to those found previously for n-butane with the same catalyst and under the same conditions.

中文翻译：

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带有工业镍催化剂的膜反应器中丙烷的蒸汽转化

摘要

在膜片反应器中，使用NIAP-03-01商业Ni催化剂的丙烷转化率分别为673、723、773和823 K，进料速度为1800和3600 h ^–1，蒸汽/丙烷比为5和7为研究。所述Н ₂去除通过膜导致增加在进料至Н的转化₂和СО ₂由水煤气变换反应而形成的。在该反应中的增加的转化率，当Н速率₂通过膜恢复增加渗透撤离。在温度间隔773-823 K，饲料转化率是100％，并且约90的高纯度的Н％₂从反应混合物中回收。进料/催化剂接触时间的增加导致进料到目标产物的转化率的降低和碳沉积物形成速率的增加。膜反应器中丙烷蒸汽转化率的规律与先前在相同催化剂和相同条件下对正丁烷的规律相似。