{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T10:37:30Z","timestamp":1777545450646,"version":"3.51.4"},"reference-count":25,"publisher":"IWA Publishing","issue":"5","content-domain":{"domain":["iwaponline.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2016,3,4]]},"abstract":"<jats:p>In the present study, a granular chitosan-Fe(III) complex was prepared as a feasible adsorbent for the removal of nitrate from an aqueous solution. There was no significant change in terms of nitrate removal efficiency over a wide pH range of 3\u201311. Nitrate adsorption on the chitosan-Fe(III) complex followed the Langmuir\u2013Freundlich isotherm model. In order to more accurately reflect adsorption and desorption behaviors at the solid\/solution interface, kinetic model I and kinetic model II were proposed to simulate the interfacial process in a batch system. Nitrate adsorption on the chitosan-Fe(III) complex followed the pseudo-first-order kinetic model and kinetic model I. The proposed half-time could provide useful information for optimizing process design. Adsorption and desorption rate constants obtained from kinetic model I and kinetic model II were beneficial to understanding the interfacial process and the extent of adsorption reaction. Kinetic model I and kinetic model II implied that nitrate uptake exponentially approaches a limiting value.<\/jats:p>","DOI":"10.2166\/wst.2015.596","type":"journal-article","created":{"date-parts":[[2016,2,19]],"date-time":"2016-02-19T23:33:28Z","timestamp":1455924808000},"page":"1211-1220","update-policy":"https:\/\/doi.org\/10.2166\/iwapcrossmarkpolicypage","source":"Crossref","is-referenced-by-count":6,"title":["Kinetic studies of nitrate removal from aqueous solution using granular chitosan-Fe(III) complex"],"prefix":"10.2166","volume":"73","author":[{"given":"Qili","family":"Hu","sequence":"first","affiliation":[{"name":"School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing 100083, China and Key Laboratory of Groundwater Cycle and Environment Evolution (China University of Geosciences (Beijing)), Ministry of Education, Beijing 100083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nan","family":"Chen","sequence":"first","affiliation":[{"name":"School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing 100083, China and Key Laboratory of Groundwater Cycle and Environment Evolution (China University of Geosciences (Beijing)), Ministry of Education, Beijing 100083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chuanping","family":"Feng","sequence":"first","affiliation":[{"name":"School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing 100083, China and Key Laboratory of Groundwater Cycle and Environment Evolution (China University of Geosciences (Beijing)), Ministry of Education, Beijing 100083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jing","family":"Zhang","sequence":"first","affiliation":[{"name":"School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing 100083, China and Key Laboratory of Groundwater Cycle and Environment Evolution (China University of Geosciences (Beijing)), Ministry of Education, Beijing 100083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Weiwu","family":"Hu","sequence":"first","affiliation":[{"name":"The Journal Center, China University of Geosciences (Beijing), Beijing 100083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Long","family":"Lv","sequence":"first","affiliation":[{"name":"School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing 100083, China and Key Laboratory of Groundwater Cycle and Environment Evolution (China University of Geosciences (Beijing)), Ministry of Education, Beijing 100083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"945","published-online":{"date-parts":[[2015,11,24]]},"reference":[{"issue":"2","key":"2020032803140178600_WST-EM151027R2C1","doi-asserted-by":"crossref","first-page":"493","DOI":"10.1016\/j.cej.2011.01.103","article-title":"A review of emerging adsorbents for nitrate removal from water","volume":"168","author":"Bhatnagar","year":"2011","journal-title":"Chemical Engineering Journal"},{"issue":"11","key":"2020032803140178600_WST-EM151027R2C2","doi-asserted-by":"crossref","first-page":"2836","DOI":"10.1021\/ja01203a066","article-title":"The exchange adsorption of ions from aqueous solutions by organic zeolites. 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