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`news: Johnson Matthey introduces integrated SCRT® system for stationary engines
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`DieselNet: What's New
`Johnson Matthey introduces integrated
`SCRT® system for stationary engines
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`Posted on 18 March 2014
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`ohnson Matthey announced a new, integrated SCRT® emission control system design for
`Jstationary diesel engines. The system -which combines the CRT® diesel particulate filter and SCR
`technology -is intended as a retrofit solution that can reduce emission from existing engines to levels
`equivalent to the US EPA Tier 4 requirements.
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`Johnson Matthey developed the CRT technology that uses an oxidation catalyst to continuously combust
`the soot that is collected on the diesel particulate filter (DPF). In the new, integrated SCRT system, urea -
`based selective catalytic reduction (SCR) technology, the best available control technology for reducing
`NOx, is combined with the CRT in the same housing.
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`New integrated
`System Design
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`DPF 4- SCR
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`SCR
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`Mixing Pipe
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`DPF
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`Conventiona
`Design
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`Johnson Matthey SCRT Emission Control System
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`LI
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`EXHIBIT
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`02-0 a (
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`2M1117
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`The new SCRT system, which incorporates multiple unit operations into a single package, provides a
`compact retrofit design capable of fitting into small spaces. The engine exhaust gas first flows through the
`CRT to reduce PM, CO and HC emissions. A controlled amount of urea is then injected into the exhaust
`before it enters the SCR catalyst modules. The urea is converted to ammonia and provides the chemical
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`news: Johnson Matthey introduces integrated SCRT® system for stationary engines
`agent to reduce the NOx across the SCR catalyst.
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`Johnson Matthey's Stationary Emissions Control (SEC) group supplies SCR systems and CRT DPF
`systems for prime and emergency diesel generators. By combining these two technologies, the SORT
`system can deliver the reductions of NOx, PM, CO and HC that are required to achieve Tier 4 compliance.
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`Source: Johnson Matthey
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