中国石油化工股份有限公司等一种C8芳烃络合萃取-结晶集成高效分离方法及分离系统专利完成登记(有机化学专利快讯)

DoNews
Oct 18, 2025

天眼查App显示,2025-10-17,“一种C8芳烃络合萃取-结晶集成高效分离方法及分离系统”(patentName)正式进入专利的公布阶段。申请人为中国石油化工股份有限公司,中石化炼化工程(集团)股份有限公司,中国石化工程建设有限公司,该项有机化学专利涉及C8芳烃中高纯度间二甲苯、对二甲苯共晶及乙苯的分离制备场景。据专利信息显示,通过络合萃取与低温结晶集成工艺,产品纯度及收率提升达显著优化,...

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