Gas separation: processes – Selective diffusion of gases – Selective diffusion of gases through substantially solid...
Reexamination Certificate
2006-01-17
2006-01-17
Spitzer, Robert H. (Department: 1724)
Gas separation: processes
Selective diffusion of gases
Selective diffusion of gases through substantially solid...
C095S050000, C096S006000, C096S008000, C096S009000, C096S014000, C210S637000, C210S640000, C585S805000, C585S818000
Reexamination Certificate
active
06986802
ABSTRACT:
Apparatus and processes are disclosed for economical separation of fluid mixtures utilizing perm-selective membranes. Broadly, apparatus of the invention comprises a plurality of membrane modules comprising a solid perm-selective membrane and equipment for controlling enthalpy of selected fluids within the apparatus. Advantageously, the membrane modules are disposed in a first product group, a second product group, and at least one intermediate group. Apparatus of the invention is particularly useful for simultaneous recovery of a very pure permeate product, and/or a desired non-permeate stream, from fluid mixtures of two or more compounds which when subjected to appropriately altered conditions of temperature and/or pressure exhibit a bubble point.
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Chen Bo
Colling Craig W.
Huff, Jr. George A.
BP Corporation North America Inc.
Spitzer Robert H.
Yassen Thomas A.
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