Anaerobic Digestion Processes by Nigel Horan Abu Zahrim Yaser & Newati Wid

Author:Nigel Horan, Abu Zahrim Yaser & Newati Wid
Language: eng
Format: epub
Publisher: Springer Singapore, Singapore

The recovery of biogas from organic waste has received considerable attention over the past decades. However, biogas recovery from screenings, a difficult solid material, has received little attention and not been explored widely. It is reported that global resources are depleting; therefore, wastes including screenings are no longer viewed as a waste stream, but as a resource to recover including methane as renewable energy. The most common disposal technique of screenings is by landfilling, which results in GHGs emissions, odour problems and other environmental issues, with lost energy, nutrients and other recoverable resources. Additionally, limited space remaining may jeopardise landfill application. There are different methods employed for the treatment of solid wastes, which one of them is anaerobic digestion. It is a sustainable approach that combines wastewater treatment with the recovery of valuable by-products, including renewable energy and nutrient [3]. Most of the results discussed in this current study were published in [16] and reported in [9] (N. Wid and N. J. Horan, “Anaerobic digestion of wastewater screenings for resource recovery and waste reduction,” IOP Conference Series: Earth and Environmental Science, vol. 36 (1), pp. 1–7, 2016; N. Wid, “Resource Recovery from Screenings through Anaerobic Digestion,” Ph.D., School of Civil Engineering, Faculty of Engineering, University of Leeds, United Kingdom, 2012).

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