公开(公告)号：US20160009565A1

公开(公告)日：2016-01-14

申请号：US14771971

申请日：2014-02-28

Applicant: BASF SE

Inventor： Ralf BOEHLING ,  Michael SCHIPPER ,  Jens BERNNAT ,  Wilhelm WEBER ,  Peter PETERSEN

IPC: C01C3/02

CPC classification number: C01C3/0204 ,  B01J19/30 ,  B01J19/32 ,  B01J2219/30215 ,  B01J2219/30408 ,  B01J2219/30416 ,  B01J2219/30475 ,  B01J2219/32237 ,  B01J2219/32408 ,  B01J2219/32466

Abstract: Process for preparing hydrocyanic acid by catalytic dehydration of gaseous formamide in at least one main reactor and a downstream after-reactor and also the use of an after-reactor in a process for preparing hydrocyanic acid by catalytic dehydration of gaseous formamide.

Abstract translation: 在至少一个主反应器和下游后反应器中通过气态甲酰胺的催化脱水制备氢氰酸的方法，以及在通过气态甲酰胺的催化脱水制备氢氰酸的方法中使用后反应器。

公开(公告)号：US20160052793A1

公开(公告)日：2016-02-25

申请号：US14783314

申请日：2014-04-09

Applicant: BASF SE

Inventor： RALF BÖHLING ,  Michael SCHIPPER ,  Jens BERNNAT ,  Wilhelm WEBER ,  Peter PETERSEN ,  Anton NEGELE ,  Andreas DECKERS

IPC: C01C3/02

CPC classification number: C01C3/0204 ,  B01J21/04 ,  B01J21/12 ,  B01J23/745 ,  B01J35/1009

Abstract: Process for preparing hydrocyanic acid by thermolysis of gaseous formamide in a reactor in the presence of a catalyst, wherein a) the catalyst is (i) an aluminum oxide catalyst which comprises from 90 to 100% by weight, preferably from 99 to 100% by weight, of aluminum oxide as component A, from 0 to 10% by weight, preferably from 0 to 1% by weight, of silicon dioxide as component B and from 0 to not more than 0.1% by weight of iron or iron-comprising compounds as component C, where the total sum of the components A, B and C is 100% by weight, and has (ii) a BET surface area, measured in accordance with DIN ISO 9277: 2003 May, of 1400° C. for from 1 to 30 hours, preferably ≧1500° C. for from 1 to 30 hours, particularly preferably at from 1500° C. to 1800° C. for from 2 to 10 hours, and b) the reactor has an inner surface which is inert in respect of the thermolysis of formamide; and use of the catalyst in a process for preparing hydrocyanic acid by thermolysis of gaseous formamide in a reactor which has an inner surface which is inert in respect of the thermolysis of formamide

Abstract translation: 在催化剂存在下，通过在反应器中热解气态甲酰胺来制备氢氰酸的方法，其中a）所述催化剂是（i）氧化铝催化剂，其包含90至100重量％，优选99至100重量％ 重量的氧化铝作为组分A，0至10重量％，优选0至1重量％的作为组分B的二氧化硅和0至不超过0.1重量％的含铁或铁的化合物 作为组分C，其中组分A，B和C的总量为100重量％，并且具有（ii）根据DIN ISO 9277：2003年5月测量的BET表面积<1m 2 / g和 （iii）在> 1400℃的温度下热处理1至30小时，优选≥1500℃，1至30小时，特别优选在1500℃至1800℃，对于2 至10小时，和b）反应器具有关于甲酰胺热解的惰性的内表面; 以及催化剂在通过在反应器中热分解气态甲酰胺制备氢氰酸的方法中使用，所述反应器具有关于甲酰胺热解的惰性的内表面