HIGHLY EFFICIENT ADSORPTION OF FLUORIDE FROM AQUEOUS SOLUTIONS BY METAL ORGANIC FRAMEWORKS: MODELING, ISOTHERMS, AND KINETICS 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Fluoride
年/卷/期
2018 / 51 / 4
页码
355-365
ISSN号
0015-4725
作者单位
Shahid Beheshti Univ Med Sci, Safety Promot & Injury Prevent Res Ctr, Tehran, Iran;Shahid Beheshti Univ Med Sci, Environm & Occupat Hazards Control Res Ctr, Tehran, Iran;Lorestan Univ Med Sci, Fac Hlth & Nutr, Dept Environm Hlth Engn, Khorramabad, Iran;Lorestan Univ Med Sci, Fac Hlth & Nutr, Dept Environm Hlth Engn, Khorramabad, Iran;Lorestan Univ Med Sci, Fac Hlth & Nutr, Dept Environm Hlth Engn, Khorramabad, Iran;Shahid Beheshti Univ, Dept Chem, GC, Tehran 1983963113, Iran;Shahid Beheshti Univ Med Sci, Student Res Comm, Tehran, Iran;
作者
Massoudinejad, Mohamadreza;Shahsavani, Abbas;Kamarehie, Bahram;Jafari, Ali;Ghaderpoori, Mansour;Amini, Mostafa M.;Ghaderpoury, Afshin;
摘要
High concentrations of fluoride in drinking water have adverse health effects for consumers. So, the aim of this study was to study the effectiveness of metal organic frameworks for fluoride adsorption. The adsorption process of fluoride using one of these novel adsorbents, known an Uio-66, was optimized using a central composite design. As-synthesized Uio-66 was characterized by XRD, FT-IR spectra, FE-SEM, EDX, and BET surface area. Furthermore, the variables of fluoride concentration, pH, adsorbent dose, and contact time were investigated. The findings showed that the maximum capacity of Uio-66 for fluoride adsorption was 31.09 mg g(-1). The experimental data of Uio-66 fitted well with the pseudo-second order model and the Langmuir I model. The findings also showed that Uio-66 adsorbent has a high capacity for fluoride adsorption and can be functionalized to enhance the adsorption capacity.
机翻摘要
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关键词/主题词
Adsorption;Fluoride;Groundwater;Metal organic framework;Uio-66;
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