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Ammonia slip catalyst (ASC)

Mobile emissions control: Johnson Matthey’s ASC technology removes residual ammonia (NH3) from upstream ammonia dosing systems, converting it into nitrogen (N2) and water (H2O).

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SCRT system technology

Mobile emission controls: the SCRT® system is more than simply a combination of a CRT® system and an SCR system.

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Selective catalytic reduction (SCR)

Mobile emission controls: selective catalytic reduction (SCR) systems work by chemically reducing nitrogen oxide to nitrogen.

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Products for gasoline applications

Emission control products for gasoline applications, for cars, vans, hybrids and more.

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Three Way Filter (TWF®)

Mobile emission controls: Johnson Matthey's Three Way Filter (TWF®) technology can reduce particle numbers by up to 99%.

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Three-way catalyst

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

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Methane oxidation catalysts

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

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Halocat

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

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