Title:
IMPROVED HYDROCYANOGENATION METHOD
Document Type and Number:
Japanese Patent JPH04230254
Kind Code:
A
Abstract:
PURPOSE: To provide an improved method for hydrocyanogenation of pentenenitrile.
CONSTITUTION: In this method, a solid catalyst degradation precipitate is added in hydrocyanogenation reaction tank, so as to keep the product liquid flowing out of the reaction tank in a concentration of HCN of about <2,500ppm.
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Inventors:
GEIRII ROORENSU BATSUKU
HAABEI JIEIMUZU BATEI
JIYON SHII KATON
ROBIN ERU KANPU
CHIYAARUZU FURANSHISU OBURAIEN
JIYATSUKU DONARUDO ROBINSON
HAABEI JIEIMUZU BATEI
JIYON SHII KATON
ROBIN ERU KANPU
CHIYAARUZU FURANSHISU OBURAIEN
JIYATSUKU DONARUDO ROBINSON
Application Number:
JP18055291A
Publication Date:
August 19, 1992
Filing Date:
June 26, 1991
Export Citation:
Assignee:
DU PONT
International Classes:
B01J31/28; C07B61/00; C07C253/10; C07C255/04; (IPC1-7): B01J31/28; C07B61/00; C07C253/10; C07C255/04
Attorney, Agent or Firm:
Heiyoshi Odashima (1 person outside)