Bioresource Technology 249 (2018) 666–672 Contents lists available at ScienceDirect Bioresource Technology journal homepage: www.elsevier.com/locate/biortech Roles of magnetite and granular activated carbon in improvement of anaerobic sludge digestion a,b a, b a a a Hong Peng , Yaobin Zhang , Dongmei Tan , Zhiqiang Zhao , Huimin Zhao , Xie Quan Key Laboratory of Industrial Ecology and Environmental Engineering (Dalian University of Technology), Ministry of Education, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China Department of Environment Science, College of Environmental Sciences, Sichuan Agricultural University-Chengdu Campus, Chengdu, Sichuan 611130, China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: Granular activated carbon (GAC) or magnetite could promote methane production from organic wastes, but their Magnetite roles in enhancing anaerobic sludge digestion have not been clariﬁed. GAC, magnetite and their combination Granular activated carbon were complemented into sludge digesters, respectively. Experimental results showed that average methane Anaerobic sludge digestion production increased by 7.3% for magnetite, 13.1% for GAC, and 20% for the combination of magnetite and Hydrolysis GAC, and the eﬄuent TCOD of the control, magnetite, GAC and magnetite-GAC digesters on day 56 were 53.2, Methane production 49.6, 48.0 and 46.6 g/L, respectively. Scanning electron
Bioresource Technology – Elsevier
Published: Feb 1, 2018
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