rerefiner

English

Etymology

From rerefine +‎ -er.

Noun

rerefiner (plural rerefiners)

1. A business that rerefines used oil.
   • 1951, California. Legislature. Assembly, Assembly Bills, Original and Amended - Volume 4:

     Before engaging in the business of a rerefiner every person shall obtain from the Department a license for that purpose effective for one year.

   • 1979, United States. Office of Solid Waste, Arthur D. Little, Inc, Draft economic impact analysis (regulatory analysis supplement) for Subtitle C, Resource Conservation and Recovery Act of 1976:

     Rerefiners are optimistic that conditions in that industry will improve.

   • 1988, John J. McKetta Jr, Encyclopedia of Chemical Processing and Design: Volume 28, →ISBN:

     Refineries are unwilling to commit their hydrogen to a long-term sale to a customer like a lube rerefiner since the hydrogen might be needed at any time for some refinery processing modification.