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Rapid Adsorption of Heavy Metals by Fe3O4/Talc Nanocomposite and Optimization Study Using Response Surface Methodology

التفاصيل البيبلوغرافية
العنوان: Rapid Adsorption of Heavy Metals by Fe3O4/Talc Nanocomposite and Optimization Study Using Response Surface Methodology
المؤلفون: Katayoon Kalantari, Mansor B. Ahmad, Hamid Reza Fard Masoumi, Kamyar Shameli, Mahiran Basri, Roshanak Khandanlou
المصدر: International Journal of Molecular Sciences, Vol 15, Iss 7, Pp 12913-12927 (2014)
بيانات النشر: MDPI AG, 2014.
سنة النشر: 2014
المجموعة: LCC:Biology (General)
LCC:Chemistry
مصطلحات موضوعية: heavy metals, Fe3O4/talc nanocomposites, adsorption, response surface methodology (RSM), adsorption kinetics, Biology (General), QH301-705.5, Chemistry, QD1-999
الوصف: Fe3O4/talc nanocomposite was used for removal of Cu(II), Ni(II), and Pb(II) ions from aqueous solutions. Experiments were designed by response surface methodology (RSM) and a quadratic model was used to predict the variables. The adsorption parameters such as adsorbent dosage, removal time, and initial ion concentration were used as the independent variables and their effects on heavy metal ion removal were investigated. Analysis of variance was incorporated to judge the adequacy of the models. Optimal conditions with initial heavy metal ion concentration of 100, 92 and 270 mg/L, 120 s of removal time and 0.12 g of adsorbent amount resulted in 72.15%, 50.23%, and 91.35% removal efficiency for Cu(II), Ni(II), and Pb(II), respectively. The predictions of the model were in good agreement with experimental results and the Fe3O4/talc nanocomposite was successfully used to remove heavy metals from aqueous solutions.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 1422-0067
Relation: http://www.mdpi.com/1422-0067/15/7/12913; https://doaj.org/toc/1422-0067
DOI: 10.3390/ijms150712913
URL الوصول: https://doaj.org/article/f06c0ffe248e49debc687655b9ad9169
رقم الأكسشن: edsdoj.f06c0ffe248e49debc687655b9ad9169
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:14220067
DOI:10.3390/ijms150712913