Patent ID: 8343316
Filing Date: 2013-01-01
Classification: B01D

Abstract:
1. A vacuum dehydrator for processing an oil containing entrained contaminants including water, air and particulates, said dehydrator comprising: a tower enclosing upper and tower chambers; a random packing in said upper chamber; first heating means for preheating the oil to a temperature above the boiling point of water; first inlet means for introducing the preheated oil into said upper chamber for second inlet means for introducing the thus heated ambient air into said lower chamber for upward flow through said random packing into said upper chamber; cooling means for condensing water vapor accumulating in said upper chamber, said cooling means being configured and arranged to surround said upper chamber; first pump means for creating a vacuum in said upper chamber and for removing condensed water vapor from said upper chamber; and second pump means for removing oil from said lower chamber.