公开(公告)号：US3832142A

公开(公告)日：1974-08-27

申请号：US28333372

申请日：1972-08-24

Applicant: DEL MAR ENG LAB

Inventor： SYROP L

IPC: B01D11/04 ,  C07C201/16 ,  G01N25/14 ,  B01D5/00

CPC classification number: C07C201/16 ,  B01D11/04 ,  B01J2219/1942 ,  G01N25/14 ,  C07C205/06

Abstract: AN IMPROVED APPARATUS IS PROVIDED FOR PROCESSING THE EXPLOSIVE KNOWN AS HEXANITROSTILBENE (HNS) FROM A FORM KNOWN AS HNS-I INTO A FORM KNOWN AS HNS-II, TO PROVIDE A REFINED PRODUCT WITH A UNIQUE CRYSTAL FORM SO AS TO FACILITATE HANDLING OF THE MATERIAL. THE APPARATUS OF THE INVENTION USES AN IMPROVED EXTRACTION TECHNIQUE INVOLVING THE USE OF A SOLUTION OF ACETONITRILE IN WHICH HNS-I IS SOLUBLE AND XYLENE IN WHICH HNS IS INSOLUBEL FOR REFINING THE HNS-I INTO AN IMPROVED TYPE OF HNS-II.