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MARTINEZ — A propane and butane recovery project at the Phillips 66 petroleum refinery in Rodeo won approval Tuesday from the Contra Costa Board of Supervisors after more than a year of wrangling over ...
The short-chain alkanes propane and butane occur as constituents of natural gas and are also found, in smaller amounts, dissolved in crude oil (Tissot and Welte, 1984). Propane and butane are gaseous ...