Theoretical and experimental investigation of membrane distillation

Zhang, Jianhua (2011) Theoretical and experimental investigation of membrane distillation. PhD thesis, Victoria University.


Invented in the 1960s, membrane distillation is an emerging technology for water treatment attracting more attention since 1980s. There are four configurations of membrane distillations including air gap membrane distillation (AGMD), direct contact membrane distillation (DCMD), sweep gas membrane distillation (SGMD), and vacuum membrane distillation (VMD). DCMD and vacuum enhanced DCMD (VEDCMD), a variant of DCMD, were employed in this research. The objective of this study is to develop design tools for scale up of DCMD by analysing the characteristics of membranes suitable for DCMD, influences of membrane structure (hollow fibre membrane) and pressure (compressible PTFE membrane) on membrane performance, and modelling the energy efficiency of DCMD with varied process parameters.

Item type Thesis (PhD thesis)
Subjects Historical > FOR Classification > 0904 Chemical Engineering
Historical > Faculty/School/Research Centre/Department > School of Engineering and Science
Keywords membrane distillation, water treatment, direct contact membrane distillation, DCMD, vacuum enhanced DCMD, VEDCMD, hollow fibre membrane, pressure on membrane performance, compressible PTFE membranes, membrane performance, mathematical models, modelling
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