公开(公告)号：BG101638A

公开(公告)日：1999-04-30

申请号：BG10163897

申请日：1997-06-18

Applicant: STANDARD OIL CO OHIO

Inventor： BRAZDIL JAMES F ,  KECKLER KENETH P ,  HAUSER RICHARD P

IPC: C01C1/08 ,  C07C253/00 ,  C07C255/08

Abstract: The method can be applied for the extraction of thenonreacted ammonia from the outlet reactor flow produced by thereaction zone used for the production of acrylonitrile ormethacrylonitrile. According to the method the outlet flow iscooled by aqueous solution of ammonium phosphate where the ratiobetween the ammonium and the phosphate ions is 0.7:1.3, preferablyaround 0.9-1.2.18 claims

公开(公告)号：BG63295B1

公开(公告)日：2001-09-28

申请号：BG10163897

申请日：1997-06-18

Applicant: STANDARD OIL CO

Inventor： BRAZDIL JUN JAMES F ,  KECKLER KENETH P ,  HAUSER RICHARD P

IPC: C01C1/08 ,  C07C253/00 ,  C07C255/08

Abstract: The method can be applied for the extraction of the nonreacted ammonia from the outlet reactor flow produced by the reaction zone used for the production of acrylonitrile or methacrylonitrile. According to the method the outlet flow is cooled by aqueous solution of ammonium phosphate where the ratio between the ammonium and the phosphate ions is 0.7:1.3, preferably around 0.9-1.2. 18 claims, 2 figures

公开(公告)号：BG62398B1

公开(公告)日：1999-10-29

申请号：BG9818993

申请日：1993-10-29

Applicant: STANDARD OIL CO OHIO

Inventor： SHAW WILFRID G ,  TROTT LOUIS R ,  REILING VINCENT G ,  SURESH DEV D ,  BOTT PAUL E ,  SHUKI JUN ALBERT R ,  BIGLER KENETH L ,  MIKO STEVE J ,  SEELY MICHAEL J ,  FRIEDRICH MARIA S ,  SOCHELL EDWARD J ,  KECKLER KENETH P ,  KOCJANCIC FRANK J

IPC: B01D53/58 ,  C07C253/24 ,  C07C253/26 ,  C07C255/00 ,  C07C255/08

Abstract: By the method the ammonium sulphate formed during themanufacture of acrylonitrile by direct ammoxidation (reactionbetween ammonia and oxygen) of propylene or propane, ammonia andogygen-containing gas, such as air on catalyst fluidized bedfitted in respective reactor, is eliminated to a great extent orcompletely. In the reactor organic substance, or substances,respectively, are introduced which react with practically all theresidual ammonia without this affecting the acrylonitrile yield.It is preferable that the organic substance should be methanolwhich is introduced in the reactor at temperatures bellow thepoints of its carbonization.20 claims

公开(公告)号：BG98189A

公开(公告)日：1995-02-28

申请号：BG9818993

申请日：1993-10-29

Applicant: STANDARD OIL CO

Inventor： SHAW WILFRID G ,  TROTT LOUIS R ,  REILING VINCENT G ,  SURESH DEV D ,  BOTT PAUL E ,  SHUKI ALBERT R ,  BIGLER KENETH L ,  MIKO STEVE J ,  SEELY MICHAEL J ,  FRIEDRICH MARIA S ,  SOCKELL EDWARD J ,  KECKLER KENETH P ,  KOCJANCIC FRANK J

IPC: B01D53/58 ,  C07C253/24 ,  C07C253/26 ,  C07C255/00 ,  C07C255/08

Abstract: By the method the ammonium sulphate formed during the manufacture of acrylonitrile by direct ammoxidation (reaction between ammonia and oxygen) of propylene or propane, ammonia and ogygen-containing gas, such as air on catalyst fluidized bed fitted in respective reactor, is eliminated to a great extent or completely. In the reactor organic substance, or substances, respectively, are introduced which react with practically all the residual ammonia without this affecting the acrylonitrile yield. It is preferable that the organic substance should be methanol which is introduced in the reactor at temperatures bellow the points of its carbonization.