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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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。

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