Olefin separation membrane and process
Patent
·
OSTI ID:871153
- Palo Alto, CA
- San Francisco, CA
- San Jose, CA
A membrane and process for separating unsaturated hydrocarbons from fluid mixtures. The membrane and process differ from previously known membranes and processes, in that the feed and permeate streams can both be dry, the membrane need not be water or solvent swollen, and the membrane is characterized by a selectivity for an unsaturated hydrocarbon over a saturated hydrocarbon having the same number of carbon atoms of at least about 20, and a pressure-normalized flux of said unsaturated hydrocarbon of at least about 5.times.10.sup.-6 cm.sup.3 (STP)/cm.sup.2 .multidot.s.multidot.cmHg, said flux and selectivity being measured with a gas mixture containing said unsaturated and saturated hydrocarbons, and in a substantially dry environment.
- Research Organization:
- Membrane Technology and Research, Inc. (Menlo Park, CA)
- DOE Contract Number:
- FG03-93ER81579
- Assignee:
- Membrane Technology and Research, Inc. (Menlo Park, CA)
- Patent Number(s):
- US 5670051
- OSTI ID:
- 871153
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
-6
/210/95/96/585/
10
20
atoms
carbon
carbon atom
carbon atoms
characterized
cm
cmhg
containing
dry
environment
feed
fluid
fluid mixture
fluid mixtures
flux
gas
gas mixture
hydrocarbon
hydrocarbons
measured
membrane
membranes
mixture
mixture containing
mixtures
multidot
olefin
permeate
pressure-normalized
previously
process
processes
saturated
saturated hydrocarbon
saturated hydrocarbons
selectivity
separating
separation
separation membrane
solvent
stp
streams
substantially
substantially dry
swollen
times
unsaturated
unsaturated hydrocarbon
unsaturated hydrocarbons
water
/210/95/96/585/
10
20
atoms
carbon
carbon atom
carbon atoms
characterized
cm
cmhg
containing
dry
environment
feed
fluid
fluid mixture
fluid mixtures
flux
gas
gas mixture
hydrocarbon
hydrocarbons
measured
membrane
membranes
mixture
mixture containing
mixtures
multidot
olefin
permeate
pressure-normalized
previously
process
processes
saturated
saturated hydrocarbon
saturated hydrocarbons
selectivity
separating
separation
separation membrane
solvent
stp
streams
substantially
substantially dry
swollen
times
unsaturated
unsaturated hydrocarbon
unsaturated hydrocarbons
water