{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T10:34:24Z","timestamp":1791110064465,"version":"4.1.0"},"reference-count":31,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2008,3,1]],"date-time":"2008-03-01T00:00:00Z","timestamp":1204329600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Water Environment Research"],"published-print":{"date-parts":[[2008,3]]},"abstract":"<jats:p>This work examines the performance of a hydrous ferric oxide (HFO) reactive filtration (RF) process with coupled chemically enhanced secondary treatment (RECYCLE) for phosphorus removal from municipal wastewater (HFO\u2010RF\u2010RECYCLE). A 3\u2010month, 0.95\u2010ML\/d (0.25\u2010mgd) demonstration of HFO\u2010RF\u2010RECYCLE was performed at a municipal wastewater treatment plant equipped with oxidation ditches and secondary clarifiers. Influent to the plant averaged 6.0 mg\/L phosphorus, with a tertiary effluent average of 0.011 mg\/L phosphorus. Iron doses to the plant were low, at 5 mg\/L. Inline recycling of HFO solution rejects to the plant influent resulted in a maximum 90.3%, dose\u2010dependent reduction of phosphorus in the secondary effluent at 4.5 ML\/d (1.2 mgd). Other results included reduction of total suspended solids and turbidity. A mass balance analysis was performed. We conclude that HFO\u2010RF\u2010RECYCLE may allow very low levels of phosphorus discharge from municipal wastewater treatment plants with a ferric\u2010iron\u2010based tertiary filtration process and residual recycling.<\/jats:p>","DOI":"10.2175\/106143007x221003","type":"journal-article","created":{"date-parts":[[2008,2,22]],"date-time":"2008-02-22T01:17:41Z","timestamp":1203643061000},"page":"238-247","source":"Crossref","is-referenced-by-count":23,"title":["Phosphorus Removal from Municipal Wastewater by Hydrous Ferric Oxide Reactive Filtration and Coupled Chemically Enhanced Secondary Treatment: Part I\u2014Performance"],"prefix":"10.1002","volume":"80","author":[{"given":"R. L.","family":"Newcombe","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R. A.","family":"Rule","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B. 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