Purification and drying of hydrocarbon streams with adsorbents

Details Purification and drying of hydrocarbon streams with adsorbents Purification and drying of hydrocarbon streams with adsorbents

1976-08-30

1977-06-07

Adee, John

Gas separation

Means within gas stream for conducting concentrate to collector

55 62, 55 73, B01D 5304

Patent

active

040280691

ABSTRACT:
Contaminants, such as water and hydrogen sulfide, are removed from hydrocarbon streams by the use of beds of solid adsorbents including molecular sieves. The adsorbents are regenerated by heating, with the heating being performed in a closed-loop operation wherein a small quantity of the hydrocarbon being treated is recycled in a closed-loop recirculation system comprising the adsorbent and a heater until the adsorbent reaches an effective regeneration temperature. Closed-loop operation is then terminated, and a regeneration gas is passed into the system and the adsorbent on a once-through basis.

REFERENCES:
patent: 3455815 (1969-07-01), Fickel
patent: 3479797 (1969-11-01), Spencer et al.
patent: 3696587 (1972-10-01), Young et al.
patent: 3816975 (1974-06-01), Collins

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