期刊
JOURNAL OF ENVIRONMENTAL SCIENCES
卷 75, 期 -, 页码 346-358出版社
SCIENCE PRESS
DOI: 10.1016/j.jes.2018.05.014
关键词
Waste hot-pot oil; Calcination; Attapulgite/carbon composites; Adsorption; Thermal regeneration
资金
- National Natural Science Foundation of China [41601303]
- Funds for Creative Research Groups of Gansu, China [17JR5RA306]
- Social Development Project of Science and Technology Plan of Jiangsu province [BE 2017686]
The utilization of waste products as valuable materials was a technical imperative for waste management. In this study, the cost-effective attapulgite/carbon (APT/C) composite was developed for wastewater treatment using waste hot-pot oil as a carbon precursor through a facile one-step calcination process. The APT/C composite prepared at 300 degrees C exhibited the excellent adsorption capacity and rapid equilibrium rate over a broad pH range for the removal of various pollutants. More importantly, the removal ratios of the composites toward Methyl Violet and tetracycline still remained 77.6% and 60.2% of the initial adsorption capacity after ten adsorption-regeneration cycles via a facile thermal regeneration strategy, respectively. Beyond all doubt, this research provided a feasible and economical way for the sustainable utilization of waste hot-pot oil in wastewater treatment, achieving the concept of disposal waste with waste and recycling. (c) 2018 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
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