Olefin separation membrane and process
Patent
·
OSTI ID:541736
A membrane and process are disclosed 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 {minus}6}cm{sup 3}(STP)/cm{sup 2}{center_dot}s{center_dot}cmHg, said flux and selectivity being measured with a gas mixture containing said unsaturated and saturated hydrocarbons, and in a substantially dry environment. 4 figs.
- Research Organization:
- Membrane Technology and Research, Inc
- Sponsoring Organization:
- USDOE, Washington, DC (United States); National Science Foundation, Washington, DC (United States)
- DOE Contract Number:
- FG03-93ER81579
- Assignee:
- Membrane Technology and Research, Inc., Menlo Park, CA (United States)
- Patent Number(s):
- US 5,670,051/A/
- Application Number:
- PAN: 8-652,837; CNN: Contract DMI-9460087
- OSTI ID:
- 541736
- Country of Publication:
- United States
- Language:
- English
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