Small Scale Energy from Waste and Biomass

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy Science and Technology".

Deadline for manuscript submissions: closed (28 February 2020) | Viewed by 3515

Special Issue Editors


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Guest Editor
Energy and Environmental Chemistry Centre for Bioenergy & Resource Management, Cranfield University, Bedford MK43 0AL, UK
Interests: biomass and waste; carbon capture and storage; carbon, climate and risk; conventional and advanced fuels; energy and the environment; power systems and turbines; renewable energy
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Guest Editor
School of Water, Energy and Environment, Cranfield University, Cranfield MK43 0AL, UK
Interests: biomass and waste; carbon, climate and risk; energy and the environment; renewable energy; waste management and resource efficiency

Special Issue Information

Dear Colleagues,

The recovery of energy from waste and biomass has picked up pace globally in recent years, with large-scale facilities being developed commercially. Waste-to-energy processes typically require an annual feedstock of over 200 kpta, which is well-suited to densely populated areas/regions. This Special Issue seeks to publish the state-of-the-art research in smaller technologies which could be deployed at a town scale, where other opportunites and benefits may arise. These could include the production of liquid fuels and chemicals, reduced carbon impacts due to reduced feedstock transportation, small-scale carbon-capture and storage, etc.

Prof. Dr. Ben Anthony
Dr. Stuart Wagland
Guest Editors

Manuscript Submission Information

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Keywords

  • waste-to-energy
  • thermal processes
  • circular economy

Published Papers (1 paper)

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Research

12 pages, 1307 KiB  
Article
Chlorine Removal from U.S. Solid Waste Blends through Torrefaction
by Zhuo Xu, Josh W. Albrecht, Shreyas S. Kolapkar, Stas Zinchik and Ezra Bar-Ziv
Appl. Sci. 2020, 10(9), 3337; https://0-doi-org.brum.beds.ac.uk/10.3390/app10093337 - 11 May 2020
Cited by 11 | Viewed by 3074
Abstract
The amount of solid waste generated annually is increasing around the world. Although the waste has a high calorific value, one major obstacle that may prevent it from becoming a feedstock for power applications is the existence of polyvinyl chloride (PVC), which causes [...] Read more.
The amount of solid waste generated annually is increasing around the world. Although the waste has a high calorific value, one major obstacle that may prevent it from becoming a feedstock for power applications is the existence of polyvinyl chloride (PVC), which causes corrosion and emission issues after combustion due to its high chlorine content. Torrefaction is known to release hydrochloric acid; thus, it has been applied in this study for the reduction of chlorine from potential waste feedstocks. Fiber-plastic (60–40%) waste blends, with different chlorine content levels, as well as PVC were used in the current study. Torrefaction was conducted at 400 °C. Chlorine and heat content were measured. Experimental results showed that organically bonded chlorine was reduced during torrefaction as a function of mass loss. The chlorine removal efficiency was only dependent on temperature and residence time, not chlorine level. The heat content of the sample increased with mass loss up to a maximum of ~34 MJ/kg at ~45% mass loss. It was also observed that at ~30% mass loss, the organic chlorine content per unit heat content reduced by ~90%, while the heat content was ~32 MJ/kg, and ~90% energy was retained. Full article
(This article belongs to the Special Issue Small Scale Energy from Waste and Biomass)
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