Keywords: HTTF evaporators, thermal desalination, waste heat utilisation, heat transfer, horizontal tube thin film, low grade heat, seawater desalination
Low grade heat utilisation for seawater desalination by the HTTF process
To improve heat transfer efficiency, Horizontal Tube Thin Film (HTTF) evaporators are being used in multieffect desalination plants. These plants require less pumping energy than thermal-based desalination plants. To generate the design data, experimental studies were carried out in a single-tube HTTF experimental setup, and heat transfer correlations were developed at BARC. The experimental findings and results are presented and discussed in this paper.