Title:
Reflux ratio control for fractionating columns
United States Patent 2218624
Inventors:
Robertson, Anthony E.
Publication Date:
10/22/1940
Export Citation:
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Assignee:
STANDARD OIL DEV CO
Primary Class:
202/161
Other Classes:
137/145, 196/141, 261/97
International Classes:
B01D3/42; B01D3/42
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