Patent ID: 8080138
Filing Date: 2011-12-20
Classification: B01D,C02F,Y02A,Y02W,Y10S

Abstract:
1. A desalination system comprising: a desalination unit, said desalination unit comprising an evaporation chamber for evaporating saline water disposed at a barometric height above at least three columns, one of said columns comprising a saline water column connected to said evaporation chamber, another of said columns comprising a brine withdrawal column connected to said evaporation chamber and another of said columns comprising a desalinated water column connected to a condenser; each of said columns comprising a constant-level holding tank, said saline water column comprising a saline water tank, said brine withdrawal column comprising a brine tank, and said desalinated water column comprising a desalinated water tank; said condenser attached to said evaporation chamber, said condenser condensing desalinated water, and a heat exchanger, attached to said evaporation chamber, said heat exchanger pre-heating the saline water feed; a thermal energy storage system for storing heat rejected by an absorption refrigeration system, said thermal energy storage system maintained at a specified temperature range; and a low grade heat source for powering said desalination system comprising the heat rejected by said absorption refrigeration system.