专利检索 ap:("STAUFFER CHEMICAL CO") AND inv:"DARRAGH KIRK VAIL" 第 1 页

1.

发明授权
Process for recovery of sulfur values 失效
标题翻译：恢复硫值的过程

公开(公告)号：US3859425A

公开(公告)日：1975-01-07

申请号：US30985672

申请日：1972-11-27

申请人： STAUFFER CHEMICAL CO

发明人： WOOD JR ARTHUR S M , DARRAGH KIRK VAIL

IPC分类号： C01B17/033 , C01B17/04

CPC分类号： C01B17/033

摘要： The invention is a process for recovering sulfur values from impure sulfur containing iron and sulfur chloride impurities in which a sulfur-sulfur chloride mixture is dissolved in a solvent, the solution is filtered to remove undissolved material, the sulfur is crystallized and then separated from the mother liquor.