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论述了气相磺化法生产白油的工艺及其特点，对该工艺的几个主要问题进行了探讨，提出了相应的技术对策，并与发烟硫酸法工艺进行了技术经济对比。
The process and characteristics of white oil produced by gas-phase sulfonation are discussed. Several main problems of the process are discussed. Corresponding technical measures are put forward. The technical and economic comparison between the method and fuming sulfuric acid process is made.