Microbial electrolysis followed by chemical precipitation for effective nutrients recovery from digested sludge centrate in WWTPs
Chemical Engineering Journal, pp. 256-265, 2019.
•MEC followed by chemical precipitation was studied for N&P recovery from centrate.•Inadequate biodegradable COD in centrate led to ineffective N recovery in MEC.•Centrate was mixed with sludge fermentation liquor to enhance N recovery in MEC.•Recovered H2 gas was adequate to offset the electricity cost of MEC operation.•P was efficiently...More
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