Purified phosphoric acid process line

Purified phosphoric acid process line means any process line that uses a HAP as a solvent in the separation of impurities from the product acid for the purposes of rendering that product suitable for industrial, manufacturing, or food grade uses. A purified phosphoric acid process line includes: solvent extraction process equipment, solvent stripping and recovery equipment, seal tanks, carbon treatment equipment, cooling towers, storage tanks, pumps, and process piping.

Source

40 CFR § 63.601

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Scoping language

Terms used in this subpart are defined in 63.2 of the Clean Air Act and in this section as follows:

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