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MBR capital cost |
MBR operating cost MBR membrane price dropped to around US$ 50/ m2 from US$400/m2 in the past decade. The typical flux of MBR is 25 LMH, so each m3/d treatment capacity needs 1000/24/25= 1.67 m2 membrane which costs US$ 83.5 only. Membrane replacement accounts for 10%-40% of operating cost. |
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EPA fact sheet shows that the operating cost of MBR system is US$ 0.47 /m3
including all electricity fee, membrane replacement, chemical fees, but not
including
amortization of initial investment. |
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Other cost estimates show the operating cost of 3,785 m3/d MBR plant is around
US$0.11-0.15 per m3 wastewater treated. The total cost of a 37,850 m3/d MBR
plant is US$0.10-15. These estimates are much lower than EPA's estimate.
The operating cost does not seem vary much with treatment capacity. |
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