Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1987-08-03
1989-09-05
Nozick, Bernard
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210708, 203 79, 203 85, 203 95, 203 96, 203 72, B01D 1100
Patent
active
048636070
ABSTRACT:
The present invention is a method for using water to remove amine from an oil-amine component. The oil-amine component is typically produced in prior art processes using an amine having an inverse critical solution temperature with water to break emulsions and sludges. The steps of the present invention include adding water to the oil-amine component in an amount sufficient to form a water-amine azeotrope with substantially all the amine in the oil-amine component followed by heating to remove the azeotrope. The method of the present invention may be used to remove amine from an oil-amine component even where the amine is present in an amount as low as 10% or less by weight.
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Andrew John E.
Herrigel Howard R.
Jones George R.
Nowak James C.
Tose Mark K.
Nozick Bernard
Resources Conservation Co.
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