Hydrogen from the high temperature water gas shift reaction with an industrial Fe/Cr catalyst using biomass gasification tar rich synthesis gas
Hydrogen from the high temperature water gas shift reaction with an industrial Fe/Cr catalyst using biomass gasification tar rich synthesis gas
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DOI：
10.1016/j.fuproc.2014.12.034
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发表时间：
2015-04
影响因子：
7.5
通讯作者：
Simeone Chianese;J. Loipersböck;Markus Malits;R. Rauch;H. Hofbauer;A. Molino;D. Musmarra
中科院分区：
文献类型：
--
作者：
Simeone Chianese;J. Loipersböck;Markus Malits;R. Rauch;H. Hofbauer;A. Molino;D. Musmarra
以生物质焦油合成气为原料，在两个固定床反应器串联的中试装置上研究了铁/铬（Fe/Cr）工业催化剂上的高温水煤气变换反应（HTS）。通过参数变化评价了水煤气变换反应的CO转化率和选择性。在350-450 °C的温度（T）下研究了四种干气时空速（GHSVd）和两种蒸汽与干合成气的比率（H2O/SGd），分别为52%v/v和60%v/v。通过在425 °C的温度下改变H2S浓度180-540 ppmv（干基），考虑两个GHSVd来研究CO转化。在60%v/v H2O/SGd和450 °C的基础情况下观察到最高的CO转化率（~ 83%）。该催化剂似乎是耐硫中毒失活，并实现了48%的CO转化率在使用的最大H2S浓度。
The high temperature water gas shift reaction (HTS) over an iron/chromium (Fe/Cr) industrial catalyst was investigated in a pilot scale plant consisting of two fixed-bed reactors arranged in series and a biomass-derived tar-rich synthesis gas was used as a feed-stream. CO conversion and selectivity for the water gas shift reaction were evaluated through parameter variation. Four dry gas hourly space velocities (GHSVd) and two steam to dry synthesis gas ratios (H2O/SGd) equal to 52% v/v and 60% v/v were investigated at temperatures (T) of 350–450 °C. CO conversion was investigated by varying H2S concentration 180–540 ppmv(dry basis) at a temperature of 425 °C, considering two GHSVd. The highest CO conversion (~ 83%) was observed in the basis case at 60% v/v H2O/SGd, and 450 °C. The catalyst appeared to be resistant to sulfur poisoning deactivation, and achieved 48% CO conversion at the maximum H2S concentration used.