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化工进展  2015 

低阶煤催化热解研究现状与进展

DOI: 10.16085/j.issn.1000-6613.2015.10.015

Keywords: 低阶煤,催化剂,热解,催化,解聚,增油

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Abstract:

低温热解是低阶煤提质转化分级利用的一种重要技术。本文将近年来国内外所进行的催化热解技术分为四大类,从催化剂加入方式、与煤作用紧密程度及热解产物分布方面,对这四类技术进行了评述。指出这些技术因催化剂用量、煤料粒度、催化剂加入程序、催化剂作用方式其中一种或多种因素,应用于工业化规模均存在一定弊端。文中还介绍了一种低阶煤催化解聚新技术,以简单的喷淋方式将催化剂浸入煤中,在试验的近20种煤中,均实现了热解焦油收率增加1.3~2.17倍的效果,由此可望开发出一种提高煤转化效益的新工艺。

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