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Cited by 607

The DOI matches its Crossref record; 135 of the 135 references it cites were found in a registry or an index.

The Relevance of Phosphorus and Iron Chemistry to the Recovery of Phosphorus from Wastewater: A Review

Wilfert, Philipp, Kumar, Prashanth Suresh, Korving, Leon, Witkamp, Geert-Jan, van Loosdrecht, Mark C. M.·2015·Environmental Science & Technology

Abstract

The addition of iron is a convenient way for removing phosphorus from wastewater, but this is often considered to limit phosphorus recovery. Struvite precipitation is currently used to recover phosphorus, and this approach has attracted much interest. However, it requires the use of enhanced biological phosphorus removal (EBPR). EBPR is not yet widely applied and the recovery potential is low. Other phosphorus recovery methods, including sludge application to agricultural land or recovering phosphorus from sludge ash, also have limitations. Energy-producing wastewater treatment plants increasingly rely on phosphorus removal using iron, but the problem (as in current processes) is the subsequent recovery of phosphorus from the iron. In contrast, phosphorus is efficiently mobilized from iron by natural processes in sediments and soils. Iron-phosphorus chemistry is diverse, and many parameters influence the binding and release of phosphorus, including redox conditions, pH, presence of organic substances, and particle morphology. We suggest that the current poor understanding of iron and phosphorus chemistry in wastewater systems is preventing processes being developed to recover phosphorus from iron-phosphorus rich wastes like municipal wastewater sludge. Parameters that affect phosphorus recovery are reviewed here, and methods are suggested for manipulating iron-phosphorus chemistry in wastewater treatment processes to allow phosphorus to be recovered.

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Crossref · 10.1021/acs.est.5b00150

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Metadata

Authors
Wilfert, P., Kumar, P. S., Korving, L., Witkamp, G.-J., & van Loosdrecht, M. C. M.
Venue
Environmental Science & Technology
Published
2015-05-26
Volume
49
Issue
16
Pages
9400-9414
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2418536248
Cited by
607
References
135
FWCI
36.50
Type
journal article
Language
en
Open access
closed

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