Wednesday 5 July 2017

Tubular Membrane Module-The Suitable Configuration for Pervaporation Desalination Membrane

Seawater desalination has been proved to be an efficient way to alleviate the global water crisis. Among major desalination technologies, membrane separation seems to be the mostapplicable and economic method because of its high efficiency, small footprint, energy saving, easily scales up etc.

Tubular Membrane Module

Currently, membrane researchers focus on developing better reverse osmosis (RO) and membrane distillation (MD) membranes. RO is the dominate technology for membrane desalination. However, it is difficult to treat high concentrated salt water due to the extremely high osmosis pressure. In a MD process, the driving force lies in the difference of the water vapor pressures between the membranes feed and permeate sides. Theoretically, high concentrated brine water can be easily treated as long as the low water vapor pressure in the permeate side can be maintained either by running a cooling water or applying a low pressure in the membrane permeate side. Read more>>>>>>

1 comment:

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