Date of Publication:2014-01-01
Journal:高校化学工程学报
Affiliation of Author(s):化工学院
Issue:6
Page Number:1210-1216
ISSN No.:1003-9015
Abstract:Based on the 1 t·d-1 LT-MED (low temperature multi-effect distillation) experiment platform, the paper investigated the stability of the system performance and systematically studied the efects of different inlet flow rates and various top brine temperatures (TBT) on various key parameters of MED such as gained output ratio (GOR), concentration ratio (CR) and the total dissolved solids of product (TDS). The results show that, with the raise of the top brine temperature in the experimental operation range, the concentration ratio decreases firstly until reaches its minimum value, then increases, while the effect of the top brine temperature on gained output ratio is insignificant. The concentration ratio decreases while the gained output ratio increases with the increase of the inlet flow rates at the constant top brine temperature. The total dissolved solids in the water product are smaller than 5 ppm within the experimental operation conditions. Therefore, the experimental investigation on the key technology of the small sea water desalination apparatus in the paper is vital to design and optimize the sea water desalination system for industrial application.
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