Colloids and Surfaces A 538 (2018) 781–788 Contents lists available at ScienceDirect Colloids and Surfaces A journal homepage: www.elsevier.com/locate/colsurfa Adsorption characteristics of tetrabromobisphenol A onto sodium bisulﬁte reduced graphene oxide aerogels Weiwen Zhang, Junfeng Chen, Yongyou Hu , Zheng Fang, Jianhua Cheng, Yuancai Chen The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: Adsorbent 3-D sodium bisulﬁte reduced-graphene aerogels (S-rGA) were fabricated via the reduction of gra- Sodium bisulﬁte graphene aerogels phene oxide. It has high adsorption capacity and excellent reusability for the removal of tetrabromobisphenol A Adsorption (TBBPA). S-rGA with its unique block and porous network structure was characterized using scanning Electron Tetrabromobisphenol A Microscopy (SEM) and Brunauer-Emmett-Teller (BET) analysis. The adsorption characteristics of S-rGA to TBBPA were investigated through batch experiments. In the study, the adsorption kinetics were well described by the pseudo-second-order model. The adsorption equilibrium well ﬁt to the Langmuir model with maximum adsorption capacity of 128.37 mg/g. Thermodynamic parameters suggested that the adsorption of TBBPA was exothermic and spontaneous. Fourier
Colloids and Surfaces A: Physicochemical and Engineering Aspects – Elsevier
Published: Feb 5, 2018
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