Concentrating evaporators inventions 11/07

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20070251650 - Treatment of spent caustic refinery effluents: In the methods for treatment of caustic effluents described in the specification, a spent caustic refinery effluent is supplied to a submerged combustion gas evaporator in which hot combustion gas containing carbon dioxide is injected into the caustic liquid to concentrate the liquid and convert a hydroxide constituent to a... Agent: Marshall, Gerstein & Borun LLP

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