All products and services

CompactSCR® NOx control systems

MODULEX™ and DUALOX®

Data centre emission control product

SCR catalyst elements and modules

Clean air solutions: SINOX® honeycomb SCR and plate SCR catalyst are pre-installed in element frames or modules for durability and easy handling.

SOOTALERT monitor

Clean air solutions: Companion product to the CRT® system that alerts operator when and how long to regenerate the diesel particulate filter.

Three-way catalyst

Clean air solutions: Johnson Matthey's three-way catalysts prevent air pollution from rich-burn and stoichiometric gas engines.

Methane oxidation catalysts

Clean air solutions: our system offers cost-effective, low-temperature oxidation of methane from active and abandoned coal mines.

Mixed oxide catalyst pellets and honeycombs

Clean air solutions: Johnson Matthey’s SINOx® mixed oxide catalysts can be used alone or in combination with precious metal oxidation catalysts for more efficient and economical catalyst systems.

MODULEX and DUALOX catalytic converters and converter-silencers

Clean air solutions: Johnson Matthey's MODULEX and DUALOX® catalytic converters for stationary engines were developed to satisfy the increasing demand for clean air technology combined with silencing.