Ammonia synthesis catalysts
Ammonia synthesis is the process by which ammonia is formed from nitrogen and hydrogen over a catalyst (usually iron).
Johnson Matthey supplies both un-reduced and pre-reduced ammonia, backed up by extensive experience of relevant operating technologies. We also have over 80 years� operating experience with ICI and more than 100 years� with BASF.

Types of ammonia synthesis catalysts
Both types of catalyst are based on multi-promoted magnetite compositions and give dependable, long and active lifetimes. They are also available in a range of sizes to suit all designs of converter.
Our ammonia synthesis catalyst range includes:
- KATALCOTM 35-series
- KATALCO 74-series
- KATALCO 74-series GREEN