Q544. Do acid gas removal units which are used only to sweeten a liquid stream meet the definition of acid gas removal units?

 

A544. The definition of acid gas removal unit in §98.238 states, “process unit that separates hydrogen sulfide and/or carbon dioxide from sour natural gas using liquid or solid absorbents or membrane separators.” Acid gas removal units processing a liquid stream do not meet this definition, and reporters do not need to report emissions from these units.

 

Updated on

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Source: EPA, Frequently Asked Questions, Petroleum and Natural Gas Systems, July 2011, http://www.epa.gov/ghgreporting/documents/pdf/2011/documents/Subpart-W-additional-faq.pdf. Updated to refine definition to exclude liquid streams.

Approval / Publishing History: Version 2, Approved by M. Eaddy, 6/4/2012

Expiration : none

Relevant Subpart: W, Acid Gas Removal

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