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Substitute natural gas (SNG) process

With over 20 years' experience, Johnson Matthey is the market leader in the supply of SNG catalysts and technology, with our DAVY™ licensed plants providing more than half of global SNG production.

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RTA-194: R-transaminase

Aromatic and aliphatic primary amines can be obtained using our Transaminases

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ActivCRT® and ActivDPF ® diesel particulate filters

Diesel particulate filter systems / engines

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SCR catalysts

Stationary emissions control: our advanced SCR catalysts can achieve high Hg0 conversions under a variety of power plant conditions for cleaner energy and cleaner air.

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