Investigating the potential of functionalized MCM-41 on adsorption of Remazol Red dye
作者： Danilo Oliveira Santos , Maria de Lourdes Nascimento Santos , José Arnaldo Santana Costa , Roberta Anjos de Jesus , Sandro Navickiene
DOI: 10.1007/S11356-012-1346-6
关键词: Nuclear chemistry 、 Thermogravimetry 、 MCM-41 、 Desorption 、 Fourier transform infrared spectroscopy 、 Adsorption 、 Rate equation 、 Chemistry 、 Freundlich equation 、 Organic chemistry 、 Kinetics
摘要: The modification of MCM-41 was performed with 3-aminopropropyltrimethoxysilane. structural order and textural properties the synthesized materials were studied by X-ray diffraction, Fourier transform infrared spectroscopy, thermogravimetry/differential thermogravimetry, nitrogen adsorption, desorption analysis. adsorption capacity NH2-MCM-41 Remazol Red dye. following parameters in process: pH, temperature, adsorbent dosage, initial concentration. process different concentrations NaOH solutions. Freundlich isotherm model found to be fit equilibrium data. Kinetics follows modified Avrami rate equation. maximum estimated 45.9 mg g−1, removal dye 99.1 %. material exhibited high 98.1
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