{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,4]],"date-time":"2026-06-04T21:53:41Z","timestamp":1780610021985,"version":"3.54.1"},"reference-count":0,"publisher":"IWA Publishing","issue":"3","content-domain":{"domain":["iwaponline.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2011,8,1]]},"abstract":"<jats:p>A process-based model that can evaluate the transport and the fate of phosphorus (P) in agricultural wastewater was developed for a novel 4-stage dewatered alum sludge cakes (DASC) based constructed wetlands (CWs) system using STELLA software (version 9.1.4). The model considered adsorption, plant and microbial uptakes as the major forms of P involved in the transformation chains. The results were obtained by experimental procedure through laboratory measurement, from literature and\/or calibration. The observed effluent P concentration in the CWs ranged from 3.62 to 8.50 mg\/L (stage 1), 2.00 to 4.45 mg\/L (stage 2), 1.39 to 3.76 mg\/L (stage 3) and 0.52 to 2.36 mg\/L (stage 4), whereas the simulated values ranged from 2.12 to 10.99 mg\/L (stage 1), 1.32 to 5.65 mg\/L (stage 2), 0.84 to 3.64 mg\/L (stage 3) and 0.53 to 2.25 mg\/L (stage 4), respectively. The simulated and observed values of P removal in the CWs system were in good agreement. A mass balance analysis was performed for all the major processes which resulted in a major pathway of P removal through adsorption (64\u201375%, 58\u201366%, 57\u201363% and 49\u201358%) followed by plant uptake (7\u201311%, 8\u201314%, 14\u201317% and 9\u201319%) and microbial uptake (3\u20137%, 3\u20135%, 9\u201312% and 7\u201312%) for stage 1, stage 2, stage 3 and stage 4, respectively. Thus the mathematical model developed in this study could be used to explain the removal processes and simulate the fate of P in the DASC-based CWs system.<\/jats:p>","DOI":"10.2166\/wst.2011.711","type":"journal-article","created":{"date-parts":[[2011,8,4]],"date-time":"2011-08-04T15:59:05Z","timestamp":1312473545000},"page":"774-780","update-policy":"https:\/\/doi.org\/10.2166\/iwapcrossmarkpolicypage","source":"Crossref","is-referenced-by-count":10,"title":["Process-based modelling of phosphorus removal in a novel constructed wetland system using dewatered alum-sludge as substrate"],"prefix":"10.2166","volume":"64","author":[{"given":"J. L. G.","family":"Kumar","sequence":"first","affiliation":[{"name":"Centre for Water Resources Research, School of Architecture, Landscape and Civil Engineering, University College Dublin, Newstead, Belfield, Dublin 4, Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Y. Q.","family":"Zhao","sequence":"first","affiliation":[{"name":"Centre for Water Resources Research, School of Architecture, Landscape and Civil Engineering, University College Dublin, Newstead, Belfield, Dublin 4, Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A. O.","family":"Babatunde","sequence":"first","affiliation":[{"name":"Centre for Water Resources Research, School of Architecture, Landscape and Civil Engineering, University College Dublin, Newstead, Belfield, Dublin 4, Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"945","container-title":["Water Science and Technology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/iwaponline.com\/wst\/article-pdf\/64\/3\/774\/444399\/774.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"http:\/\/iwaponline.com\/wst\/article-pdf\/64\/3\/774\/444399\/774.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,3,28]],"date-time":"2020-03-28T04:26:25Z","timestamp":1585369585000},"score":1,"resource":{"primary":{"URL":"https:\/\/iwaponline.com\/wst\/article\/64\/3\/774\/17852\/Processbased-modelling-of-phosphorus-removal-in-a"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2011,8,1]]},"references-count":0,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2011,8,1]]}},"URL":"https:\/\/doi.org\/10.2166\/wst.2011.711","relation":{},"ISSN":["0273-1223","1996-9732"],"issn-type":[{"value":"0273-1223","type":"print"},{"value":"1996-9732","type":"electronic"}],"subject":[],"published-other":{"date-parts":[[2011,8,1]]},"published":{"date-parts":[[2011,8,1]]}}}