{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T16:12:19Z","timestamp":1791562339620,"version":"4.3.4"},"reference-count":45,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2004,9,1]],"date-time":"2004-09-01T00:00:00Z","timestamp":1093996800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Israeli Ministry of the Environment"}],"content-domain":{"domain":["acsess.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Env Quality"],"published-print":{"date-parts":[[2004,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>Three chemicals, ferrous sulfate (Fe\u2010sul), calcium oxide (CaO), and aluminum sulfate (alum), were used to stabilize phosphorus (P) in fresh, anaerobically digested sewage sludge (FSS). The chemically stabilized sludge materials and biosolids compost (BSC) were compared with the FSS with respect to water\u2010soluble phosphorus (WSP) content in its inorganic (WSP<jats:sub>i<\/jats:sub>) and organic (WSP<jats:sub>o<\/jats:sub>) forms as well as water\u2010soluble organic carbon (DOC). Solid\u2010state P speciation was further probed by X\u2010ray diffraction (XRD) and scanning electron microscopy (SEM) equipped with energy\u2010dispersive X\u2010ray elemental spectrometry (EDXS). Water\u2010soluble P was effectively controlled by a wide range of Fe\u2010sul or CaO additions to the sludge (Ca to P ratio = 3.47\u201317.72, Fe to P ratio = 1.01\u201316.53), but by only a narrow range (Al to P ratio = 1.04\u20132.87) of alum addition. The WSP content in the BSC was also depressed, but to a lesser extent. The pH in the treated sludge ranged from 3.0 to 12.5 and served as a key factor to control P chemistry. No correlation was observed between DOC and WSP<jats:sub>o<\/jats:sub> No crystallized Ca\u2010P minerals were detected in the CaO\u2010stabilized sludge, but brushite crystallization seemed to be obtained by low addition of Fe\u2010sul and alum. Variscite and strengite crystallization was obtained following high addition of Fe\u2010sul or alum, as detected by XRD and SEM\u2013EDXS. Adsorption of P by newly formed Fe\u2010hydroxide seems to play an important role in the Fe\u2010sul\u2010stabilized sludge. We concluded that administration of the tested chemicals at the proper rate can effectively reduce the hazard of P release and leaching from sludge.<\/jats:p>","DOI":"10.2134\/jeq2004.1895","type":"journal-article","created":{"date-parts":[[2010,6,14]],"date-time":"2010-06-14T02:51:35Z","timestamp":1276483895000},"page":"1895-1903","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":49,"title":["Water\u2010Soluble and Solid\u2010State Speciation of Phosphorus in Stabilized Sewage Sludge"],"prefix":"10.1002","volume":"33","author":[{"given":"Xiao\u2010Lan","family":"Huang","sequence":"first","affiliation":[{"name":"Department of Soil and Water Sciences, Faculty of Agricultural, Food and Environmental Quality Sciences The Hebrew University of Jerusalem Rehovot 76\u2010100 Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Moshe","family":"Shenker","sequence":"additional","affiliation":[{"name":"Department of Soil and Water Sciences, Faculty of Agricultural, Food and Environmental Quality Sciences The Hebrew University of Jerusalem Rehovot 76\u2010100 Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2004,9]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"crossref","first-page":"227","DOI":"10.1016\/S0022-0728(97)00410-5","article-title":"Electrochemical study of iron ferrite sludge obtained under the conditions proposed for the purification of waste water at a carbon paste electrode","volume":"444","author":"Barrado E.","year":"1998","journal-title":"J. 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