Performance of a Coagulant-Membrane Bioreactor for the Removal of Dissolved Organic Matter and Phosphorus
- Performance of a Coagulant-Membrane Bioreactor for the Removal of Dissolved Organic Matter and Phosphorus
- 이정열; 최보경; 맹승규; 안규홍; 송경근
- Coagulation; Membrane Bio-reactor; Non-Woven Fabric Filter; Phosphorus; Soluble Microbial Products
- Issue Date
- Journal of chemical engineering of Japan
- VOL 46, NO 2, 127-133
- We report an investigation into the e ectiveness of a hybrid membrane bioreactor (MBR) composed of an anoxic, nonwoven
fabric lter (NWFF)-aerobic reactor and an integrative micro lter (MF) with simultaneous dosing of a coagulant.
Preliminary jar tests were conducted with four di erent additives (aluminum sulfate, FeCl3, FeSO4, and PACl) to observe
the e ects induced by changes in pH, alkalinity, soluble chemical oxygen demand (SCOD), and PO4
3-P of the permeate
on the NWFF-aerobic reactor. The use of aluminum sulfate improved performance as it related to SCOD and phosphorus
removal in the amounts of 2.1 mol aluminum sulfate/mol PO4
3-P. In the hybrid MBR, the average total phosphorus removal
e ciency of the entire system was as high as 79% with continuous addition of 100 mg/L aluminum sulfate. Threedimensional
uorescence excitation-emission matrix (F-EEM) spectroscopy of the liquid samples from the MBR indicated
the presence of humic-like organic matter, which was regarded as primary aromatic organics.
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