Journal
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
Volume 148, Issue -, Pages 585-592Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ecoenv.2017.11.005
Keywords
Beta zeolite; Dynamics; Isotherms; Adsorption; Rhodamine B
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Funding
- Talent Introduction Fund of Yangzhou University (CZL)
- Zhenjiang High Technology Research Institute of Yangzhou University (CZL)
- Key Research Project-Industry Foresight and General Key Technology of Yangzhou [YZ2015020]
- Innovative Talent Program of Green Yang Golden Phoenix [yzlyjfih2015CX073]
- Yangzhou Social Development Project [YZ2016072]
- Jiangsu Province Six Talent Peaks Project [2014-XCL-013]
- Jiangsu Industrial-academic-research Prospective Joint Project [BY2016069-02]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (HXHG)
- Top-notch Academic Programs Project of Jiangsu Higher Education Institutions [PPZY2015B112]
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The exploration of the relationship between zeolite composition and adsorption performance favored to facilitate its better application in removal of the hazardous substances from water. The adsorption capacity of rhodamine B (RB) onto Beta zeolite from aqueous solution was reported. The relationship between SiO2/Al2O3 ratio and adsorption capacity of Beta zeolite for RB was explored. The structure and physical properties of Beta zeolites with various SiO2/Al2O3 ratios were determined by XRD, FTIR, TEM, BET, UV vis and so on characterizations. The adsorption behavior of rhodamine B onto Beta zeolite matched to Langmuir adsorption isotherm and more suitable description for the adsorption kinetics was a pseudo-second-order reaction model. The maximum adsorption capacity of the as-prepared Beta zeolite with SiO2/Al2O3 = 18.4 was up to 27.97 mg/g.
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