CARB Extends, Modifies Johnson Matthey's AdvCCRT(TM) Verification, Boosting Level 3+ PM Reduction Flexibility

News provided by

Nov 27, 2012, 02:58 ET

AUDUBON, Pa., Nov. 27, 2012 /PRNewswire/ -- The California Air Resources Board (CARB) has extended and modified its verification of Johnson Matthey's A_dvCCRT™ system, a ruling that will provide even greater flexibility to end users requiring Level 3+ PM reduction.

Initially verified for a duty cycle requiring 230 degree C for 40 percent of the cycle, the latest extension now allows for not only the original temperature profile, but also adds a second optional duty cycle allowing use for applications that meet 300 degree C for 10 percent of the duty cycle.

Marty Lassen, Johnson Matthey's Director of Commercial Development and Marketing, said, "This is a major improvement in flexibility for users of our A_dvCCRT system, the most cost-effective and robust Level 3+ filter system available.

"In addition, CARB has approved our swapping and re-designation polices, which allow users significant flexibility in managing their fleets to comply with CARB's Diesel Risk Reduction Rule requirements," Lassen added.

The A_dvCCRT system is Johnson Matthey's second generation CCRT^® heavy-duty diesel retrofit system optimized for more challenging applications. The system with that advanced catalyst optimization requires no supplemental heat source and is verified to reduce PM by more than 90 percent for 2002-2006 2.5g NOx EGR and non- EGR engines. It also meets the stringent NO₂ slip requirements of CARB and the EPA, which also verified A_dvCCRT technology.

The A_dvCCRT system incorporates a unique two-stage filter arrangement. The first stage duplicates Johnson Matthey's patented CCRT^® filter's pre-catalyst and coated filter with proprietary catalyst formulations to reduce PM. The second stage reduces excess NO₂ with the injection of a tiny amount of hydrocarbon across a decomposition catalyst that converts NO₂ back into NO. Other systems reduce NO₂ in the filter limiting their ability to reduce PM in all applications.

About Johnson Matthey

Traded on the London Stock Exchange (symbol: JMAT), Johnson Matthey is a specialty chemicals company focused on its core skills in catalysts, precious metals, fine chemicals and process technologies. The $19 billion company employs around 10,000 people in over 30 countries.

About Johnson Matthey's Emission Control Technologies (ECT):

As part of Johnson Matthey's Environmental Technologies Division, the world's largest supplier of catalysts for the automotive industry, Emission Control Technologies (ECT) has been providing cost-effective catalytic solutions for the worldwide light- and heavy-duty diesel markets for more than 40 years.

SOURCE Johnson Matthey