PSA process for improving the purity of hydrogen gas and recover

Details PSA process for improving the purity of hydrogen gas and recover PSA process for improving the purity of hydrogen gas and recover

1993-06-10

1994-07-26

Breneman, R. Bruce

Mineral oils: processes and products

Fractionation

Recovery of mineral oil from natural or converted gases

208 99, 208100, 208101, 208102, 208103, 208133, 208134, C10G 3504, C10G 6706, C10G 2506

Patent

active

053324927

ABSTRACT:
A process for recovering hydrogen-rich gases and increasing the recovery of liquid hydrocarbon products from a hydrocarbon conversion zone effluent is improved by a particular arrangement of a refrigeration zone, a pressure swing adsorption (PSA) zone, and up to two separation zones. The admixing of at least a portion of the tail gas from the PSA zone with a hydrogen-rich gas stream recovered from a first vapor-liquid separation zone results in significantly improved hydrocarbon recoveries and the production of a high purity hydrogen product. The process is especially beneficial in the integration of the catalytic reforming process with vapor hydrogen consuming processes such as catalytic hydrocracking in a petroleum refinery.

REFERENCES:
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patent: 5178751 (1993-01-01), Pappas
patent: 5238555 (1993-08-01), Pappas et al.
patent: 5245099 (1993-09-01), Mitariten
"Catalytic LPG Dehydrogenation Fits in '80's Outlook" by Roy C. Berg et al., Oil & Gas Journal pp. 191-197 (Nov. 10, 1980).

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