The author discusses critical points from the U.S. EPA’s memorandum regarding spent ‘dual purpose’ catalysts
A recent memorandum by the U.S. Environmental
Protection Agency (EPA) clarifies that spent catalysts
resulting from "dual purpose" hydroprocessing reactors are
hazardous waste. The improper classification of such
catalysts could become a litigious nightmare for refiners.
The author provides insight into the definitions in the EPA
regulations that refiners must follow when determining how
spent hydroprocessing catalysts should be
classified.
Spent catalysts from "dual process"
units - third memorandum
issued
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