Fabrication of graphene oxide/silicalite-1 composites with hierarchical porous structure and investigation on their adsorption performance for rhodamine B

作者：Cheng, Zhi-Lin^*; Li, Yan-xiang; Liu, Zan

来源：Journal of Industrial and Engineering Chemistry, 2017, 55: 234-243.

DOI：10.1016/j.jiec.2017.06.054

• Silicalite-1 zeolite
• Graphene oxide
• Composites
• Rhodamine B
• Adsorption capacity

Graphene oxide (GO)/silicalite-1 composites (GS) with hierarchical porous structure were fabricated by grafting GO onto acid-treated silicalite-1 zeolite. The structure and physical properties of the GS composites were determined by using a series of characterization techniques. The removal of rhodamine B (RB) from aqueous solution was conducted on the GS composites. Effects of experimental conditions on the adsorption were studied. The adsorption behaviors of the GS composites were well described by Langmuir isotherm and shown to follow a pseudo-second-order reaction model. The maximum adsorption capacity of the GS composites for RB was shown to 56.55 mg/g.

• 出版日期2017-11-25
• 单位扬州大学