Method for refining carbonization crude benzole

Method for refining carbonization crude benzole

The invention relates to a method for refining coking benzol, consisting of a process of benzol pretreatment and benzene extractive distillation, a hydrofining process of toluol, xylene distillation and a toluene disproportionation process. The method for refining coking benzol has the advantages th...

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Hauptverfasser: SHI JUNLAI, HUANG ZHE, ZHANG SHUNYI, ZHANG CHENGHUA, YUAN JIANQING, SONG QIYUE, BAI YUXIANG, ZENG AIWU
Format: Patent
Sprache:chi ; eng
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator SHI JUNLAI
HUANG ZHE
ZHANG SHUNYI
ZHANG CHENGHUA
YUAN JIANQING
SONG QIYUE
BAI YUXIANG
ZENG AIWU
description The invention relates to a method for refining coking benzol, consisting of a process of benzol pretreatment and benzene extractive distillation, a hydrofining process of toluol, xylene distillation and a toluene disproportionation process. The method for refining coking benzol has the advantages that: high-purity and high-quality product of the benzene, toluol and/or thiophen can be obtained; device investment is reduced by times; processing cost is also greatly reduced without environmental pollution; product proportion can be regulated according to market requirement.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title Method for refining carbonization crude benzole
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