Title:
Dephenolization process and apparatus
United States Patent 2786082
Inventors:
Klockman, Otto E.
Publication Date:
03/19/1957
Export Citation:
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Assignee:
KOPPERS CO INC
Primary Class:
422/607
Other Classes:
261/114.1, 422/234, 422/609, 422/611, 422/638, 422/649, 568/760, 568/762
International Classes:
C07C37/72
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US Patent References:
2520391Liquid-liquid contacting
2398213Reducing thermal decomposition in high temperature accumulators
2376940Fractionation column
2338446Bubble cap shield
2274041Fractionating plate construction
2263688Coke oven by-products recovery apparatus
2127503Gas liquor treatment
2056748Process for phenol recovery
1957295Process for treating liquid containing tar acid