A combined VSEP and membrane bioreactor system

In a MBR system, huge amount of solid suspension clogged the membrane and reduced the permeate flux. Mechanical motions were believed to be effective in preventing premature clogging of the membrane. Three different mechanical motions; namely cross oscillation, lengthwise oscillation and the VSEP were investigated. The VSEP combined mechanical motion and the high trans-membrane pressure achieved the best GFD for MBR membrane filtration.