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Title:
Ethylene glycol extraction process
Abstract:
There is described a process of extracting ethylene glycol from admixture with tetraglyme containing rhodium values therein using glycerine as the extraction solvent.
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Other info:
Inventors:
Bryant, David R. (South Charleston, WV, US)
Application Number:
715853
Filing Date: 1976-08-19
Publication_date: 1980-10-14
Assignee:
Union Carbide Corporation (New York, NY)
Primary Class(es):
518/725
568/868
Other Classes:
US Patent Ref:
| 2542454 | Feb, 1951 | Arnold et al. | 260/450. | | 2558556 | Jun, 1951 | Hess et al. | 260/450. | | 2558557 | Jun, 1951 | Hess et al. | 260/450. | | 3940432 | Feb, 1976 | Walker et al. | 260/449. | | 4001289 | Jan, 1977 | Dougherty et al. | 260/450. |
Other Refs:
Primary Examiner:
Helfin, Bernard
Assistant Examiner:
Attorney:
Papuga; Donald M.
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