粗苯加氢三苯馏分工艺的优化研究  

Optimization of Crude Benzene Hydrogenation Triphenyl Fraction Process

作　　者：冯晴洁 Feng Qing-jie(Shanxi coking coal Shaxi coking group Co.,LTD.,Lingfen Shanxi 041600,China)

机构地区：[1]山西焦化股份有限公司,山西临汾041600

出　　处：《江西化工》2023年第2期92-94,共3页Jiangxi Chemical Industry

摘　　要：为解决粗苯加氢三苯馏分工艺中萃取剂环丁砜极易分解问题,对萃取工艺的先后顺序进行调整,经过数据的分析与统计可知,采用优化方案可实现萃取剂的稳定使用,萃取苯的纯度达到99.97%以上,含硫等物质量不高于0.1 ppm,年节约成本近280万元,有效提升了经济效益。In order to solve the problem that sulfolane is easy to decompose in crude benzene hydrogenation triphenyl fraction process,the sequence of extraction process was adjusted.Through data analysis and statistics,it can be known that the optimized scheme can realize the stable use of extractant,the purity of extracted benzene can reach over 99.97%,the quality of sulfur-containing substances is not higher than 0.1 ppm,the annual cost is saved nearly 2.8 million yuan,and the economic benefits are effectively improved.

关 键 词：粗苯加氢 萃取工艺 萃取剂 优化研究 

分 类 号：TQ028.32[化学工程]