Journal
CHEMICAL ENGINEERING JOURNAL
Volume 304, Issue -, Pages 609-620Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2016.06.138
Keywords
Ultrahigh-performance antibiotics removal; Renewable SLS; Hierarchical porous carbons; In-situ KOH activation; Halloysite nanotubes template
Categories
Funding
- National Natural Science Foundation of China [21277063, 21576111, U1407123]
- National Basic Research Program of China (973 Program) [2012CB821500]
- Natural Science Foundation of Jiangsu Province [BK20140534]
- Research Fund for the Doctoral Program of Higher Education of China [20133227110022, 20133227110010]
- Jiangsu Planned Projects for Postdoctoral Research Funds [1102119C]
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In decade years, antibiotics residual has received considerable attention because of their detrimental effects on human health and the ecosystem, thereby resolution of this issue become a burning research project. Herein, we first prepared a novel sustainable hierarchical porous carbons (HPCs) (named LCTA) via the combination of halloysite nanotubes-template and in-situ KOH activation, using industrial by-product sodium lignin sulfonate (SLS) as biomass precursor. It was demonstrated that both HNTs template and KOH activation played a key role in the enhancements of the porosity and accessible surface. LTCA exhibited a high specific surface area of 2320 m(2)/g and large pore volume of 1.342 cm(3)/g. Moreover, LTCA showed an ultrahigh adsorption capacity for tetracycline (TC) of 1297.0 mg/g and chloramphenicol (CAP) of 1067.2 mg/g at 298 K, which are far higher than those adsorbents previously reported. Additionally, fast adsorption kinetics, excellent environmental adaptability and good regeneration ability make this novel HPC as a promising material for antibiotics wastewater treatment practices. (C) 2016 Elsevier B.V. All rights reserved.
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