A method for extraction of aromatic hydrocarbon using sulfolane as solvent is described.
介绍以环丁砜为溶剂、萃取芳烃的方法。
It is dissolved in many kinds of dipolar aprotic organic solvents such as NMP, DMAc, DMSO, sulfolane.
易溶于氯仿、二甲基乙酰胺等多种极性非质子有机溶剂。
The lean solvent sulfolane processing amount were larger than 300per mass of the anion-exchange resin.
用阴离子交换树脂法净化环丁砜贫溶剂，单位树脂净化量大于300。
A vacuum distillation column relates to a sulfolane distillation device in equipment for producing sulfolane.
真空精馏塔涉及一种生产环丁砜设备中的环丁砜精馏装置。
Because there is sulfolane, water and steam in the feed of EA-303 vertical heat exchanger, which resulted in tube problems occurred frequently.
前言：EA-303立式换热器在使用过程中，由于物料中含有环丁砜、水和蒸汽，致使换热器管束频繁出现故障。
It is hopeful that this work will arouse the attention of the people working in sulfolane extraction process so as to take measures to curb this problem.
希望能引起从事环丁砜芳烃抽提工艺的工程技术人员的重视，并采取措施解决这一问题。
Some acid corrosion matters and high polymer produced by sulfolane degradation in hydrocarbon extraction may corrode equipment and jam the heat exchanger.
环丁砜降解产生的一些酸性腐蚀性物质和大分子聚合物造成了设备的腐蚀，堵塞了换热器和再沸器等设备。
Effects of temperature, mass ratio of toluene ton-hexane especially additive on extractive capability of sulfolane before and after partial degradation were investigated.
采用气相色谱法测定环丁砜对甲苯的抽提能力，通过改变温度、甲苯与正己烷的质量比等实验条件，研究了添加剂对环丁砜劣化前后甲苯抽提能力的影响。
Foaming in the stripper is the main problem that affects the smooth running and capacity of a sulfolane extraction unit, therefore, anti foaming agent is usually used to suppress foaming.
在环丁砜抽提装置中，汽提塔发泡是影响生产装置高负荷稳定运行的主要障碍，因此需使用消泡剂来抑制发泡。
The aromatics extraction principles and process outlines, the features of sulfolane and the measures on protection of sulfolane from oxidization and degradation were discussed in this paper.
叙述了芳烃抽提原理及工艺概况、环丁砜溶剂的特点、环丁砜氧化降解给芳烃生产带来的危害，提出了环丁砜的保护措施。
The aromatics extraction principles and process outlines, the features of sulfolane and the measures on protection of sulfolane from oxidization and degradation were discussed in this paper.
叙述了芳烃抽提原理及工艺概况、环丁砜溶剂的特点、环丁砜氧化降解给芳烃生产带来的危害，提出了环丁砜的保护措施。
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