期刊
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
卷 117, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.rser.2019.109425
关键词
Waste-to-energy; Waste resources; Wastewater sludge; Animal manure; Food waste; Fats; Oil; And greases; Biofuels; Bioenergy; Bioproducts; Biopower
资金
- U.S. Department of Energy (DOE) [DE-AC36-08GO28308]
- U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Bioenergy Technologies Office
This study identifies practices and regulatory standards that pertain to the handling and disposal of wet waste materials in the United States, and summarizes these practices for the following resources: (1) food waste, (2) fats, oils and greases, (3) sewage sludge, and (4) animal manure. It outlines the standards promulgated for the wet waste materials considered herein and how these standards influence the materials' feasibility for use in waste-to-energy processes. Waste-handling standards in the United States are also briefly contrasted with disposal practices in other countries and regions. This study finds that the environment for each of the four materials is extremely variable across geographic areas not only in the United States, but also across other countries and regions. Waste markets are in various stages of development worldwide, partially due to differences in waste management standards and practices, and differences in the adoption and effectiveness of overall waste management systems. Except for several types of fats, oils, and greases, all of the resources considered here are conventionally viewed and handled as waste resources rather than commodities. However, with maturation of conversion technologies that can fully utilize these materials in advanced waste-to-energy processes, the market value of these wastes could increase. In the developing waste-to-energy industry, there could be a synergy of regulatory programs and developing markets contributing to how the wastes are managed. Where these materials are currently used in mature waste-to-energy technologies (e.g., anaerobic digestion and incineration), there exists a demonstrated example of how the materials' energy potential can be further realized while operating within the existing framework of disposal standards.
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