洁净煤技术

2014, v.20;No.90(02) 90-93

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提高煤热解过程中BTX收率的方法
Improvement methods of BTX yield during coal pyrolysis

陈静升;郑化安;马晓迅;张生军;李学强;苗青;
CHEN Jingsheng;ZHENG Huaan;MA Xiaoxun;ZHANG Shengjun;LI Xueqiang;MIAO Qing;Shaanxi Coal and Chemical Technology Institute Co. ,Ltd. ,State Energy Key Laboratory of Clear Coal Grading Conversion;School of Chemical Engineering,Northwest University;

摘要(Abstract):

煤热解及由煤热解联产高附加值化学品BTX(苯、甲苯和二甲苯)是实现煤炭高效清洁转化利用的重要方式之一。围绕如何提高煤热解过程中BTX收率的核心问题,论述了热解气氛、煤热解催化剂、溶剂预处理技术以及反应器类型等对热解产物分布的影响,认为欲提高热解产物中BTX等轻质芳烃的收率,必须从热解工艺和催化剂两方面进行重点突破,同时结合其他次要因素以实现操作条件最优化,提高煤热解产物中BTX等轻质芳烃的收率。
The technology of coal pyrolysis and conversion of high value-added aromatic chemicals is one of the important ways of coal efficient and clean utilization. To obtain high yield aromatic compounds and tar from coal pyrolysis process with high yield,analyse the influencing factors including pyrolysis atmosphere,catalyst,solvent pretreatment technology as well as reactor type on pyrolysis product distribution. The results show that,the development of pyrolysis technology and catalyst help to improve the BTX yield,meanwhile some secondary causes also should be payed attention.

关键词(KeyWords): 煤;热解;BTX收率;芳烃
coal;pyrolysis;BTX yield;phenolic compounds

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基金项目(Foundation): 陕西省科技统筹创新工程计划资助项目(2013KTZB01-04-02)

作者(Author): 陈静升;郑化安;马晓迅;张生军;李学强;苗青;
CHEN Jingsheng;ZHENG Huaan;MA Xiaoxun;ZHANG Shengjun;LI Xueqiang;MIAO Qing;Shaanxi Coal and Chemical Technology Institute Co. ,Ltd. ,State Energy Key Laboratory of Clear Coal Grading Conversion;School of Chemical Engineering,Northwest University;

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