Distillation: apparatus – Apparatus – Systems
Patent
1994-10-07
1996-10-15
Manoharan, Virginia
Distillation: apparatus
Apparatus
Systems
96143, 202173, 202182, 202184, 203 41, 203DIG6, B01D 300, B01D 1500
Patent
active
055650660
ABSTRACT:
The present invention is a single vessel apparatus for separating at least a first component from a second component of a process stream. The apparatus has a vertically-elongated vessel which contains a plurality of vertically spaced apart distillation contactors for vapor and liquid distillation and an adsorbent-retaining volume defined at least in part by a solids-impermeable member located above the contactors for passing a fluid into the retaining volume. The apparatus also contains a mechanism for adding adsorbent above the solids-impermeable member and a mechanism for withdrawing adsorbent particles from the retaining volume to contact the fluid with adsorbent particles and to provide at least intermittent downward gravity flow of adsorbent particles through the retaining volume and to selectively adsorb a portion of the fluid. The apparatus further contains a regenerator for desorbing fluids from adsorbent particles which is in communication with the mechanism for adding adsorbent above the solids-impermeable member and the means for withdrawing adsorbent particles from the adsorbent-retaining volume. The fluids are desorbed in the regenerator by passing a regenerant into and collecting the regenerant from the regenerator. Finally, the apparatus also contains a mechanism for adding fluid to and withdrawing fluid from the vessel. The benefit of the invention is a high purity single vessel separation unit at reduced capital equipment costs.
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Ming Z; Chun-Jian, X; Guo-Cong, Y. Progress in Natural Science Jun. 1994, vol. 4, No. 5.
Hobbs Simon H.
Kulprathipanja Santi
Marker Terry L.
Maas Maryann
Manoharan Virginia
McBride Thomas K.
Snyder Eugene I.
UOP
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