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Business

Catalyst System Installed On Ferry

by Alexander H. Tullo
April 11, 2011 | A version of this story appeared in Volume 89, Issue 15
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Credit: Johnson Matthey
The John A. Noble at dock.
Credit: Johnson Matthey
The John A. Noble at dock.

A Johnson Matthey selective catalytic reduction (SCR) system is being installed next month on the John A. Noble, a 196-ft diesel-powered Staten Island ferryboat put into service in 1986. The SCR system uses urea as a reducing agent to convert carbon monoxide and NOx emissions into nitrogen, water, and carbon dioxide. A Johnson Matthey SCR system was installed on another ferryboat, the Alice Austen, in 2006.

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