Factors governing the pre-concentration of wastewater using forward osmosis for subsequent resource recovery.

  title={Factors governing the pre-concentration of wastewater using forward osmosis for subsequent resource recovery.},
  author={Ashley J. Ansari and Faisal I Hai and Wenshan Guo and Hao H Ngo and William Evan Price and Long D Nghiem},
  journal={The Science of the total environment},
This study demonstrated a technique using forward osmosis (FO) to pre-concentrate the organic matter in raw wastewater, thereby transforming low strength wastewater into an anaerobically digestible solution. The chemical oxygen demand (COD) of raw wastewater was concentrated up to approximately eightfold at a water recovery of 90%. Thus, even low strength wastewater could be pre-concentrated by FO to the range suitable for biogas production via anaerobic treatment. Excessive salinity… CONTINUE READING


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