Enhancing the Permeate Flux of Direct Contact Membrane Distillation Modules with Inserting 3D Printing Turbulence Promoters

Simplified flux prediction in direct-contact membrane distillation using a membrane structural parameter

• Membrane structural parameters were evaluated for use in predicting water flux. • Membrane constant containing non-coupled membrane properties was introduced. • Membrane constant requires simple measurements and inexpensive analytical equipment. • Membrane constant correlates well with experimental water flux. • Comprehensive collection of MD membrane properties and water fluxes made availabl...

Analysis of the effect of turbulence promoters in hollow fiber membrane distillation modules by computational fluid dynamic (CFD) simulations

Experimental study of desalination using direct contact membrane distillation: a new approach to flux enhancement

New membrane distillation configurations and a new membrane module were investigated to improve water desalination. The performances of three hydrophobic microporous membranes were evaluated under vacuum enhanced direct contact membrane distillation (DCMD) with a turbulent flow regime and with a feed water temperature of only 40 ◦C. The new configurations provide reduced temperature polarizatio...

Factors contributing to flux improvement in vacuum-enhanced direct contact membrane distillation

• VEDCMD has higher water flux than DCMD and PEDCMD. • Higher flux with vacuum applied may be partially due to lower membrane compaction. • Higher flux with vacuum applied may be partially due to lower membrane air pressure. • Pressure differences due to vacuum or pressure enhancement has a minimal effect on flux. a b s t r a c t a r t i c l e i n f o Low water flux in membrane distillation (MD...

Direct Contact Membrane Distillation of Dairy Process Streams

Membrane distillation (MD) was applied for the concentration of a range of dairy streams, such as whole milk, skim milk and whey. MD of a pure lactose solution was also investigated. Direct contact MD (DCMD) mode experiments were carried out in continuous concentration mode, keeping the warm feed/retentate and cold permeate stream temperatures at 54 °C and 5 °C respectively. Performance in term...