Phosphorus dissolution from dewatered anaerobic sludge: Effect of pHs, microorganisms, and sequential extraction

Phosphorus dissolution from dewatered anaerobic sludge: Effect of pHs, microorganisms, and... •WWTP mass balance show that DWAS accumulate more than 97% of P and Fe.•P dissolution from DWAS was achieved anaerobically, at pH 2.5, and sequential extraction.•The DWAS fractionation shown that organically bound phosphorus was hardly dissoluted.•The DWAS after acid treatment generated half the methane compared to the initial DWAS.•Addition of HIR bacteria at DWAS resulted in less H2SO4 for regulation of pH at 2.5. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bioresource Technology Elsevier

Phosphorus dissolution from dewatered anaerobic sludge: Effect of pHs, microorganisms, and sequential extraction

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0960-8524
D.O.I.
10.1016/j.biortech.2017.09.188
Publisher site
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Abstract

•WWTP mass balance show that DWAS accumulate more than 97% of P and Fe.•P dissolution from DWAS was achieved anaerobically, at pH 2.5, and sequential extraction.•The DWAS fractionation shown that organically bound phosphorus was hardly dissoluted.•The DWAS after acid treatment generated half the methane compared to the initial DWAS.•Addition of HIR bacteria at DWAS resulted in less H2SO4 for regulation of pH at 2.5.

Journal

Bioresource TechnologyElsevier

Published: Feb 1, 2018

References

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