B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 8/18 (2006.01) B01D 53/12 (2006.01) B01J 8/26 (2006.01) C01B 3/04 (2006.01) C01B 17/04 (2006.01) C10L 3/10 (2006.01) H05H 1/00 (2006.01)
Patent
CA 2367846
A process and apparatus is provided for the removal of contaminants, such as hydrogen sulfide, carbon dioxide and water, out of natural gas (1) is provided. The apparatus comprises a plurality of purifying fluidized beds, each of which contains an adsorbent, such as molecular sieve 5A, and which operates at a temperature ranging from about 20 ~C to about 60 ~C and removes at least a portion of the hydrogen sulfide and other contaminants from the natural gas so as to provide a purified natural gas (2) and a contaminant loaded adsorbent. The contaminant loaded adsorbent is regenerated in a regenerator unit at a temperature of about 100 ~C to about 300 ~C to produce a regenerated adsorbent, which is recycled back to a fluidized bed and a hydrogen sulfide rich regeneration off-gas (12), which is injected into a non- thermal plasma reactor that dissociates the hydrogen sulfide into hydrogen and sulfur (13).
L'invention concerne un procédé et un appareil destinés à éliminer des contaminants, tels que l'hydrogène sulfuré, le dioxyde de carbone et l'eau, du gaz naturel (1). Cet appareil comprend plusieurs lits fluidisés de purification. Chacun d'eux contient un adsorbant, tel qu'un tamis moléculaire (5A), fonctionne à une température d'environ 20 ·C à environ 60 ·C, et élimine au moins une partie de l'hydrogène sulfuré et d'autres contaminants du gaz naturel afin de produire un gaz naturel purifié (2) et un adsorbant chargé de contaminants. Ce dernier est régénéré dans une unité de régénération à une température allant d'environ 100 ·C à environ 300 ·C afin de produire un adsorbant régénéré, qui est recyclé en retour dans un lit fluidisé, et un effluent de gaz (12) de régénération riche en hydrogène sulfuré, qui est injecté dans un réacteur à plasma non thermique dissociant l'hydrogène sulfuré en hydrogène et en sulfure (13).
Agarwal Pradeep K.
Hull Ashley S.
Linjewile Temi M.
Borden Ladner Gervais Llp
University Of Wyoming
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