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Three-way catalyst

Mobile emission controls: three-way catalysts for cars, vans, light trucks and motorcycles.

Methane oxidation catalysts

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

Halocat

Our Halocat™ SC29 PTA emission control catalyst reduces air pollution from PTA manufacturing plants to meet clean air emission standards economically.

ActivCRT® and ActivDPF ® diesel particulate filters

Diesel particulate filter systems / engines

SINOx - HT SCR catalyst

JM offers a high temperature SCR catalyst that can operate under a broad range of temperature conditions.

Oxidation catalyst systems

Our portfolio offers our customers options for catalytic coatings on both metallic and ceramic substrates.

Oxidation catalyst portfolio

SUREOX sulfur resistant oxidation catalyst

Our SUREOX™ catalyst with proprietary washcoat technology designed for reliable durable oxidation performance in the presence of sulfur.

Formaldehyde oxidation catalyst

We are a leading supplier of VOC catalyst for the treatment of formaldehyde emissions.  

Ammonia slip catalysts (ASC)

Designed to enhance SCR performance, these catalysts achieve greater NOx control in parallel with lower carbon monoxide emissions and minimal ammonia slip.

EPA Tier 4 compliance

Clean air solutions: our integrated SCRT® technology for US EPA Tier 4 diesel engine compliance.

Three-way catalyst

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

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.

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.

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.

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.

Diesel particulate filter (DPF) systems for stationary engines

Diesel particulate filter systems / engines

Mining technology

Diesel particulate filter systems / mining

DPFi DPF with electrical regeneration

Diesel particulate filter systems / mining

SOOTALERT monitor

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