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Analysis of three-effect evaporator desalination technology
- Jul 21, 2018 -

Evaporation is one of the main tasks of modern industrial operation. In fact, heating is to use heating to vaporize and remove part of the solvent in the solution to increase the concentration of the solution, or to create conditions for the precipitation of solute. It is a method of removing an inorganic salt in a waste liquid by evaporation using a concentrated crystallization system.


In the process of actual treatment, when the salt-containing wastewater enters the three-effect evaporator device, it is separated into dehydrated water and concentrated crystal slurry waste liquid through a concentrated crystallization process. At the same time, the inorganic salt and part of the organic matter can be crystallized and separated, and the incineration treatment is an inorganic salt waste residue. The concentrated organic waste liquid which cannot be crystallized can be used as a drum evaporator to form solid waste residue and incinerated; the desalinated water can be returned to the production system for use as a substitute for softened water.


Based on the analysis of actual application effects, the three-effect evaporator desalination technology is not only mature and perfect, but also has the advantages of wide wastewater range, small floor space, fast processing speed and energy saving. With the development of chemical industry, more and more Many high-salt wastewaters need to be treated, and the application of three-effect evaporator desalination method will become more and more extensive.