Patent · US Active

Reactor for preparing hydrogen cyanide by the Andrussow process

US8802020B2 · kind B2 · utility

1Cited by

14References

24Claims

0Family size

Assignee

Evonik Röhm GmbH · DE

Inventors

Thomas Schaefer · Liestal, CH
Robert Weber · Fullerton, US
Udo Gropp · Bad Endorf, DE
Thomas Mertz · Bensheim, DE

Key dates

Filing date	May 9, 2008
Grant date	Aug 12, 2014
Priority date	—
Expiry date	Aug 20, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2219/00159
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A reactor for preparing hydrogen cyanide by the Andrussow process is provided. The reactor comprises at least one gas inlet which opens into a gas inlet region, an outlet for the reaction products and a catalyst, wherein at least one mixing element and at least one gas-permeable intermediate layer are within the reactor between the gas inlet region and the catalyst. The mixing element is arranged between the gas inlet region and the gas-permeable intermediate layer. A process for preparing HCN, in the reactor is also provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.