Co-CeO_2催化剂掺杂氧化铝改性应用于逆水煤气反应
摘要
文中采用SBA-16做模板,制备2%Co-CeO_2掺杂铝的催化剂以改善CoCeO_2催化剂的稳定性。对制备的催化剂进行RWGS活性。并通过XRD、H_2-TPR、BET方法表征。通过实验证明掺杂5%氧化铝在600℃,CO_2:H_2=1:1空速2400L/gh条件下,经10h催化反应CO_2的转化活性在35%左右,CO的选择性保持在99.8%以上,相对于不掺杂氧化铝的催化剂在稳定性与CO_2的转化活性都有效改善。通过逆水煤气反应制备出的合成气可以用于费托合成反应。
引文
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