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["低温中温煤焦油的问题"

2019-06-07View Original

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"部分煤质分级利用、移動床气化干馏副产中的低温中温煤焦油(分为密度大于水和小于水两类)、混合苯(石脑油)、粗酚等,针对这些副产品的文献资料有哪些,包括性质和用途等?谢谢"
Reply #22019-06-10
"焦化或煤焦油深加工的可行性研究报告有没有相关介绍"
Reply #32019-06-11
"このトピックはshsher666が228年6月-6日 11时19-96时:19に編集しました 煤炭化工的重要过程之一。指煤在隔绝空气条件下加热、分解,生成焦炭(或半焦)、煤焦油、粗苯、煤气等产物的过程,煤的干馏属于化学变化。根据加热终温的不同,可分为三种:9~11℃为高温干馏,即焦化;7~9℃为中温干馏;5~6℃为低温干馏(见煤低温干馏)。以固定床为例:根据干馏层温度属于中低温干馏,实际生产中的副产品包括重油(粗焦油分离器分离的产品油)、中油(油分离器的产品油)、轻油或石脑油(低温甲醇洗的产品油)、粗酚(酚氨回收的产品);用途 1、煤焦油和石脑油加氢(或作为副产品销售),制取柴油调和油、汽油调和油,主要是 烷值不够,所以暂叫调和油;粗酚提纯然后深加工;用途 用于制造炭黑;性质等的信息可以直接在百度百科搜索,非常全面。"

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