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Closed-loop hydrocarbon recovery system meets waste water regulations. Anon. OGJ, 11 August 1997, 95(32), 70, 71.

In view of the new environmental regulations attention is drawn to the way refiners are feeling forced to adopt stringent approaches to recovering hydrocarbons from waste-water treatment operations. Conventional treatment is outlined and details are given of the Amcec process which integrates several treatment methods in a closed-loop stripping system, a schematic flow diagram of which is illustrated.

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