甲醇合成中一氧化碳蒸汽转化锌铜催化剂NIAP-06-06的研究

G. B. Narochnyi, A. Savost’yanov, I. Zubkov, A. V. Dulnev, R. Yakovenko
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引用次数: 0

摘要

探讨了用锌铜催化剂NIAP-06-06进行甲醇合成中CO蒸汽转化的可能性。采用TPR H2、XRD和SEM等方法对催化剂进行了表征,并在压力为5.0 MPa、气时空速为3000 h-1、温度为220 ~ 260°С的流动和循环模式下进行了甲醇合成测试。结果表明,该催化剂对甲烷蒸汽转化得到H2 /СО比为3.9的气体合成甲醇具有高活性和选择性。采用管式串联催化反应器,采用流动循环方式,可使CO转化率达到70%以上,得到浓度为95%的粗甲醇。在循环模式下,催化剂的甲醇产量为427.7 kg/(m3 cat·h)。
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Investigation of the Zinc-Copper Catalyst NIAP-06-06 for Steam Conversion of Carbon Monoxide in the Synthesis of Methanol
The possibility to use the zinc-copper catalyst NIAP-06-06 for steam conversion of CO in the synthesis of methanol was explored. The catalyst was characterized by means of TPR H2, XRD and SEM methods and tested in the methanol synthesis in flow and circulation modes at a pressure of 5.0 MPa and gas hourly space velocity of 3000 h–1 over a temperature range of 220–260 °С. The catalyst was shown to be highly active and selective toward the methanol synthesis from a gas with the H2 /СО ratio 3.9, which is obtained by steam conversion of methane. The use of tubular catalytic reactors connected in series in the flow-circulation mode makes it possible to convert more than 70 % of CO and obtain crude methanol with the concentration of 95 %. In the circulation mode, a methanol output of 427.7 kg/(m3 cat·h) was achieved on the catalyst.
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