COST COMPARISON FOR APPLICATION OF MBR AND CAS/MF FACILITIES

Authors: McInnis, Amanda; Neethling, J.B.; Bucher, Bob; Johnson, Michelle

Source: Proceedings of the Water Environment Federation, WEFTEC 2005: Session 51 through Session 60 , pp. 4183-4191(9)

Publisher: Water Environment Federation

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Abstract:

Membrane bioreactor (MBR) technology is becoming more cost competitive at larger design flows. As a result, more utilities are facing the decision of whether to select MBR or conventional activated sludge with microfiltration (CAS/MF) to provide higher quality effluent. This analysis provides estimated capital, operation and maintenance (O&M), and present worth cost comparison of MBR to CAS/MF for new construction at 2, 4, and 8 mgd. The CAS/MF alternative had consistently lower capital and operation and maintenance costs than the MBR. CAS/MF did, however, require three times more site space for the facilities analyzed.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864705783866432

Publication date: January 1, 2005

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