煤制乙二醇工艺.doc

煤制乙二醇工艺

摘

要

本文介绍了草酸酯路线合成流程和原理，采用以煤为原料合成乙二醇的工艺方法，主要讨论草酸酯路线，即煤经造气制取CO、H2。CO在催化剂作用下与亚硝酸甲酯反应生成草酸二甲酯和NO，草酸二甲酯催化加氢制得乙二醇。最后本文分析讨论煤制乙二醇的市场现状和发展前景。

关键词：

煤；乙二醇；草狨ィ淮呋忧?
煤制乙二醇工艺

目
第1章绪

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1.1乙二醇的性质、用途和毒性····························1·······················································1.2乙二醇的传统生产工艺·····························································1······························1.2.1环氧乙烷直接水合法······························1···························································1.2.2乙烯直接水合法·································································2································1.2.3二氯乙烷水解法·································································2································1.3乙二醇新工艺的研究································2·······························································1.3.1合成气法·········································································2····································1.3.2过渡金属含氧酸盐催化法···························3······················································1.3.3乙二醇和碳酸二甲酯联产法··························3···················································1.3.4环氧乙烷催化水合法······························4···························································第2章煤制乙二醇工艺-草酸酯加氢合成路线····················5········································2.1生产原理·············································································5······································2.2草酸二甲酯生产流程································6·······························································2.3草酸二甲酯加氢生产乙二醇流程·························7··················································2.4工业化影响因素·····································································8··································2.5主要工艺特点····································9·······································································2.6生产消耗表··