Airco-Hoover sweetening

Airco-Hoover sweetening

[′er‚kō ′hüv·ər ′swēt·niŋ]
(chemical engineering)
Removal of mercaptans from gasoline by caustic and water washes, then heating the dried gasoline and passing it with some oxygen through a reactor containing a slurry of diatomaceous earth impregnated with copper chloride; the oxygen regenerates the catalyst.