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生物质催化热解催化剂稳定性考察
Authors
宋文立
林伟刚
鲁长波
Publication date
1 January 2010
Publisher
Abstract
通过喷动床-固定床两步法生物质催化热解工艺研究了HUSY/-γA l2O、HZSM-5/-γA l2O3、N iMoHUSY/-γA l2O3和N iMoHZSM-5/-γA l2O34种催化剂的结焦性能、活性稳定性和再生活性。结果表明,催化剂酸性越强,其产焦率越高,且过强的催化剂酸性不利于主要产物选择性的提高;催化剂B酸位在反应初期就基本失活,L酸在随后的反应中起主要催化作用;催化剂失活在很大程度上属于不可再生失活。故应研究适合于生物质催化热解的具有特殊孔结构、弱酸性和高活性稳定性的催化剂
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Last time updated on 09/11/2016