Patent · US Expired

Process for the preparation of ammonia

US6780387B1 · kind B1 · utility

0Cited by

7References

2Claims

0Family size

Assignee

HALDOR TOPSØE A/S · DK

Inventors

Claus J. H. Jacobsen · Frederikssund, DK
Michael Boe · Klampenborg, DK

Key dates

Filing date	Jul 10, 2001
Grant date	Aug 24, 2004
Priority date	—
Expiry date	Jul 10, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/52
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Process for the preparation of ammonia by contacting an ammonia synthesis gas with ammonia catalyst particles arranged in a fixed bed, wherein the fixed bed comprises catalyst particles of the ammonia catalyst with a particle size being in the range of <1.5 mm and &gE;2.2 mm.

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