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http://www.geocities.jp/t_hashimotoodawara/salt6/salt6-04-09.html

has been cited by the following article:

• TITLE: Desalination of Seawater by Liquid Columns and Decompression Boiling (Recovery of Condensation Latent Heat)

  AUTHORS: Toshihiko Shakouchi

  KEYWORDS: New Desalination Method of Seawater, Liquid Column, Decompression Boiling, Evaporation and Condensation, Recovery of Condensation Latent Heat

  JOURNAL NAME: Journal of Water Resource and Protection, Vol.10 No.8, August 24, 2018

  ABSTRACT: In this study, the concept of a new seawater desalination method and equipment using liquid columns of seawater and desalinated fresh water, decompression boiling and evaporation, condensation, and recovery of condensation latent heat are proposed. The equipment consists of seawater and freshwater columns approximately 10 m high with top spaces. The pressure of the top space, the evaporation and condensation area, of the seawater column, for example, is reduced approximately 30 mmHg (abs.) using the seawater column, after which it is heated from the general seawater temperature of 25°C to 30°C to boil and evaporate the seawater. The vapor is cooled by the seawater at approximately 25°C in a heat exchanger, and then, it is condensed and sent to the fresh water column. At this time, the condensation latent heat is recovered to preheat the newly flowing seawater. The evaporation or condensation rate, namely, the production rate of freshwater, by the new desalination equipment is also estimated by the results of the existing quadruplex effect vacuum evaporator used in the salt production industry. This new desalination method and its associated equipment also can be used to purify polluted water and waste water.