The cost of a small membrane bioreactor
作者： CH Lo , Ewan McAdam , S Judd , None
DOI: 10.2166/WST.2015.394
关键词: Present value 、 Flow capacity 、 Heuristic (computer science) 、 Net present value 、 Function (mathematics) 、 Mathematics 、 Forensic engineering 、 Operating expense 、 Membrane bioreactor 、 Cost curve 、 Statistics
摘要: The individual cost contributions to the mechanical components of a small membrane bioreactor (MBR) (100–2,500 m3/d flow capacity) are itemised and collated generate overall capital operating costs (CAPEX OPEX) as function size. outcomes compared those from previously published detailed studies provided for both very containerised plants (<40 m3/day larger municipal (2,200–19,000 m3/d). Cost curves, capacity, determined OPEX, CAPEX net present value (NPV) based on heuristic data used indicate logarithmic OPEX power-based one CAPEX. correlations were in good quantitative agreement with reported literature. Disparities calculated trend attributed differences assumptions concerning contributions. More reasonable was obtained separation component studies. approach taken appears appropriate small-scale MBRs minimal associated installation. An relationship = ( tb ) Q (− c ln t + d where 1.265, b 0.44, 0.00385 0.868 according dataset employed analysis.
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