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VOC Recovery by adsorption

VOC Recovery by adsorption. Two concepts A. Simple absorption process VOC is recovered by absorption in crude oil B. Combined absorption and membrane permeation. After the absorption unabsorbed gas is passed through a membrane. Some VOC permeates and is recycled to the absorber.

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VOC Recovery by adsorption

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  1. VOC Recovery by adsorption • Two concepts • A. Simple absorption process • VOC is recovered by absorption in crude oil • B. Combined absorption and membrane permeation. • After the absorption unabsorbed gas is passed through a membrane. Some VOC permeates and is recycled to the absorber.

  2. Pure absorption Summary of four loading sequences “Alpha” is the fraction of hydrocarbon in the gas

  3. Combined absorption and membrane permeation VOC recovery versus installed membrane area for a combined process. Statfjord field. Crude oil flow rate in absorber: 1000 kmol/h. VOC feed flow rate: 750 kmol/h.

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