Chemical Engineering Journal 336 (2018) 233–240 Contents lists available at ScienceDirect Chemical Engineering Journal journal homepage: www.elsevier.com/locate/cej Fe -H O for advanced treatment of citric acid wastewater: Detailed study of 2 2 catalyst after several times use a,b b, b c d Ting Huang , Guangming Zhang , Nan Zhang , Jie Ye , Pei Lu State Key Laboratory of Petroleum Pollution Control, Beijing 102206, China School of Environment & Natural Resource, Renmin University of China, Beijing 100872, China Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China School of Energy and Environmental Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Beijing 100083, China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: Fe -H O Fenton-like process was eﬀectively applied in the advanced treatment of citric acid wastewater. The 2 2 ∗ 0 Fe important reaction conditions were optimized. When the initial pH was 3.0, H O /COD = 0.7 Fe /H O = 3.29 2 2 2 2 Fenton-like process (weight ratio), coagulation pH = 9.0, the COD removal reached to over 35% in 2 h. Especially, the reuse of Fe
Chemical Engineering Journal – Elsevier
Published: Mar 15, 2018
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