Chemical Engineering Journal 336 (2018) 160–169 Contents lists available at ScienceDirect Chemical Engineering Journal journal homepage: www.elsevier.com/locate/cej Sustainable eﬃcient adsorbent: Alkali-acid modiﬁed magnetic biochar derived from sewage sludge for aqueous organic contaminant removal ⁎ ⁎ a,c, a,c b, a,c a,c a,c Lin Tang , Jiangfang Yu , Ya Pang , Guangming Zeng , Yaocheng Deng , Jiajia Wang , a,c a,c a,c a,c Xiaoya Ren , Shujing Ye , Bo Peng , Haopeng Feng College of Environmental Science and Engineering, Hunan University, Changsha 410082, China Department of Biology and Environmental Engineering, Changsha College, Changsha 410003, Hunan, China Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, Hunan, China HIG HLI GHTS GRAPHICAL ABSTRACT Alkali-acid modiﬁed MS-biochar was superior to single alkali/acid modiﬁed ones in adsorption performance. SNMS-800 owing obviously increased porosity showed enhanced TC ad- sorption reaching to 286.913 mg/g. Magnetic sludge biochar’s pore size was closely related to its TC adsorp- tion strength. Pyrolysis temperatures showed great inﬂuence on MS-biochars’ property. SNMS-800 showed stable TC adsorp- tion in natural water samples along with good reusability. ARTIC L E I NF O ABSTRAC T Keywords: Municipal sewage sludge (MS)-derived biochar shows low-cost superiority
Chemical Engineering Journal – Elsevier
Published: Mar 15, 2018
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