{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T03:07:07Z","timestamp":1791947227021,"version":"4.3.4"},"reference-count":71,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2021,3,21]],"date-time":"2021-03-21T00:00:00Z","timestamp":1616284800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nanomaterials"],"abstract":"<jats:p>Nanotechnology has received much attention in treating contaminated waters. In the present study, a facile co-precipitation method was employed to synthesize a novel iron and magnesium based binary metal oxide using a stoichiometrically fixed amount of FeNO3\u00b79H2O and MgNO3\u00b76H2O in a proportion of molar concentration 1:1 and was later evaluated in removing As (III) from contaminated waters. Characterization of the prepared nanomaterial was done using X-ray diffraction (XRD), scanning electron microscopy (SEM), Energy Dispersive X-ray Analysis (EDAX) and ultraviolet\u2013visible spectrophotometry (UV-VIS). Experimental studies on batch scale were carried out, examining the effect of varying initial concentrations of metal, adsorbent dosage, application time and initial pH on removal efficiency. Arsenic removal increased on increasing adsorbent dosage (0.1\u20131 g\/L) but trend reversed on increasing initial arsenic concentration attaining qmax of 263.20 mg\/g. Adsorption was quite efficient in pH range 4\u20138. Freundlich fitted better for adsorption isotherm along with following Pseudo-2nd order kinetics. The reusability and effect of co-existing ions on arsenic adsorption, namely SO42\u2212, CO32\u2212 and PO43\u2212 were also explored with reusability in 1st and 2nd cycles attained adsorptive removal up to 77% and 64% respectively. The prepared nano-adsorbent showed promising results in terms of high arsenic uptake (qmax of 263.20 mg\/g) along with facile and cost-effective synthesis. Thus, the co-precipitation technique used in this work is a simple one step procedure without any use of any precursor as compared to most of the other procedures used for synthesis.<\/jats:p>","DOI":"10.3390\/nano11030805","type":"journal-article","created":{"date-parts":[[2021,3,21]],"date-time":"2021-03-21T23:47:41Z","timestamp":1616370461000},"page":"805","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":22,"title":["Evaluation of Fe-Mg Binary Oxide for As (III) Adsorption\u2014Synthesis, Characterization and Kinetic Modelling"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8784-2459","authenticated-orcid":false,"given":"Saif Ullah","family":"Khan","sequence":"first","affiliation":[{"name":"Department of Civil Engineering, Zakir Husain College of Engineering &amp; Technology, Aligarh Muslim University, Aligarh 202002, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7692-6692","authenticated-orcid":false,"given":"Rumman","family":"Zaidi","sequence":"additional","affiliation":[{"name":"Department of Applied Physics, Zakir Husain College of Engineering &amp; Technology, Aligarh Muslim University, Aligarh 202002, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9174-4819","authenticated-orcid":false,"given":"Feroz","family":"Shaik","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Prince Mohammad Bin Fahd University, P.O. Box 1664, Al Khobar 34754, Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Izharul Haq","family":"Farooqi","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, Zakir Husain College of Engineering &amp; Technology, Aligarh Muslim University, Aligarh 202002, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ameer","family":"Azam","sequence":"additional","affiliation":[{"name":"Department of Applied Physics, Zakir Husain College of Engineering &amp; Technology, Aligarh Muslim University, Aligarh 202002, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hatem","family":"Abuhimd","sequence":"additional","affiliation":[{"name":"National Nanotechnology Center, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5436-1966","authenticated-orcid":false,"given":"Faheem","family":"Ahmed","sequence":"additional","affiliation":[{"name":"Department of Physics, College of Science, King Faisal University, P.O. Box 400, Hofuf, Al-Ahsa 31982, Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,3,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"5455","DOI":"10.1021\/es0206846","article-title":"Arsenic (III) and arsenic (V) reactions with zerovalent iron corrosion products","volume":"36","author":"Manning","year":"2002","journal-title":"Environ. Sci. 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