公开(公告)号：US3873613A

公开(公告)日：1975-03-25

申请号：US39912573

申请日：1973-09-20

Applicant: STANDARD OIL CO

Inventor： KNOBLOCH JAMES O ,  LATTA JAMES E

IPC: C07C51/44 ,  C07C63/26 ,  C07C51/42

CPC classification number: C07C51/44 ,  C07C63/68

Abstract: Method of isolating relatively pure tetrachloroterephthalic acid from a spent oleum chlorination mother liquor which comprises the steps of eliminating substantially all sulfur trioxide and chlorosulfonic acid from said mother liquor and partitioning tetrachloroterephthalic acid from the mother liquor.

Abstract translation: 从废柴油氯化母液中分离相对纯的四氯对苯二甲酸的方法，其包括从母液中除去基本上所有的三氧化硫和氯磺酸并从母液中分配四氯对苯二甲酸的步骤。