Effects of tar model compounds on commercial water gas shift catalysts

Enrico M. Grieco; Giancarlo Baldi

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Effects of tar model compounds on commercial water gas shift catalysts

机译：焦油模型化合物对商业的影响气体转移催化剂

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One attractive application of the catalytic water gas shift (WGS) reaction is the production of a syn-gas with high hydrogen concentration from gasification of solid combustibles. The catalyst's behavior can be affected by the hydrocarbons with high molecular weight (tar) still present in the gas after its purification. In this work the effect of some tar model compounds on two typical commercial WGS catalysts were investigated. A low temperature catalyst composed of Cu/Zn/Al and a high temperature catalyst based mainly on Fe and Cr were tested. N-hexadecane, fluorene, phenol, and octanol were used as tar model compounds. Besides these compounds, the effect of biodiesel was also investigated. In all cases a concentration of 0.5 g/Nm~3 was used. Generally it was observed that a low concentration is often sufficient to produce a rapid deactivation. Catalysts were characterized by means of BET and XRD.

机译：一个有吸引力的应用催化水气体转变(WGS)反应的生产syn-gas高氢离子的浓度固体可燃物的气化。催化剂的行为可以影响与高分子量的碳氢化合物(沥青)气体净化后仍然存在。在这工作的影响一些焦油模型化合物在两种典型商业WGS催化剂被调查。组成的铜/锌/铝和高温催化剂主要基于铁和铬进行了测试。正十六烷、芴、苯酚和辛醇作为焦油模型化合物。化合物,生物柴油的影响也是调查。使用g / Nm ~ 3。生产低浓度通常是足够的快速失活。通过选择和XRD表征。

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来源
《Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers》 |2012年第11期|1997-2001|共5页
作者
Enrico M. Grieco; Giancarlo Baldi;
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作者单位

Politecnico di Torino, Dipartimento di Sdenza dei Material e Ingegneria Chimica, Corso Duca degli Abruzzi 24, Torino, Italy;

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原文格式 PDF
正文语种英语
中图分类国际共产主义运动;
关键词
gasification; Water gas; MODEL COMPOUNDTarsCatalysts;

机译：COMPOUNDTarsCatalysts气化,水煤气;模型;

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Effects of tar model compounds on commercial water gas shift catalysts

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