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Anaerobic digestion as a sustainable biorefinery concept for waste to energy conversion
Journal
Waste-to-Energy Approaches Towards Zero Waste: Interdisciplinary Methods of Controlling Waste
Date Issued
2022-01-01
Author(s)
Kushwaha, Anamika
Mishra, Vivek
Gupta, Veena
Goswami, Shivani
Gupta, Pankaj Kumar
Singh, Lalit Kumar
Gupt, Chandra Bhanu
Rakshit, Kaustubh
Goswami, Lalit
Abstract
Globally, the economy and technologies are fundamentally depending upon the available energy resources owing to the renewability, green, and sustainable. Renewable energy from the waste organic biomass is among the most efficient, effective, and economic green alternatives amid the numerous other sources at present accessible. Anaerobic digestion (AD) is amidst the eminent techniques for converting the organic waste into the bio-energy. It requires low capital and per unit energy production cost, in comparison to the other available renewable energy sources viz., solar, wind, and hydro. This chapter covers the potential utilization of different organic wastes using various pretreatment techniques, operating parameters, codigestion, and trends in the process intensification with great emphasis on waste-to-energy. Focused discussion is given to the codigestion, coupling AD with other waste-to-energy conversion technologies, and modeling of anaerobic codigestion process, made available to the digestion process. Also, the role of different government policies and barriers that are playing vital role in AD promotion along with the bottlenecks in its growth are discussed.
Subjects