Autoclave means a pressure oxidation vessel that is used to treat gold ores (primarily sulfide refractory ore) and involves pumping a slurry of milled ore into the vessel which is highly pressurized with oxygen and heated to temperatures of approximately 350 to 430 F.


40 CFR § 63.11651

Scoping language

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

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