公开(公告)号：EP2215012A1

公开(公告)日：2010-08-11

申请号：EP08848803.6

申请日：2008-11-12

Applicant: BASF SE

Inventor： BOEHLING, Ralf ,  DECKERS, Andreas ,  SCHNEIDER,Thomas ,  ACHHAMMER, Guenther ,  LUYKEN, Hermann ,  PFAB, Peter

IPC: C01C3/02 ,  B01J19/24

CPC classification number: C01C3/0204 ,  B01J19/0093 ,  B01J2219/00783 ,  B01J2219/00822 ,  B01J2219/00835 ,  B01J2219/0086 ,  B01J2219/00873

Abstract: The invention relates to a method for producing hydrocyanic acid by catalytic dehydration of gaseous formamide in a tubular reactor comprising at least one reaction channel in which the catalytic dehydration occurs, wherein the reaction channel comprises an inner surface made of a material having an iron portion of ≥ 50 wt.-%, and no additional catalysts and/or built-in components are present in the reaction channel, and the at least one reaction channel has an average hydraulic diameter of 0.5 to 6 mm. The invention further relates to a reactor having the features mentioned above and the use of the reactor according to the invention for producing hydrocyanic acid by catalytic dehydration of gaseous formamide.