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Published on: December 19, 2017
Fate of Trace Metals in Anaerobic Digestion
F G Fermoso1, E D van Hullebusch, G Guibaud
1Instituto de La Grasa, C.S.I.C., Campus Pablo de Olavide, Ctra. de Utrera Km.1, 41013, Seville, Spain, fgfermoso@ig.csic.es.
Abstract:
A challenging, and largely uncharted, area of research in the field of anaerobic digestion science and technology is in understanding the roles of trace metals in enabling biogas production. This is a major knowledge gap and a multifaceted problem involving metal chemistry; physical interactions of metal and solids; microbiology; and technology optimization. Moreover, the fate of trace metals, and the chemical speciation and transport of trace metals in environments--often agricultural lands receiving discharge waters from anaerobic digestion processes--simultaneously represents challenges for environmental protection and opportunities to close process loops in anaerobic digestion.
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