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Energies
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Harmless Treatment of Solid Waste
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Harmless Treatment of Solid Waste

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "B: Energy and Environment".

Deadline for manuscript submissions: closed (15 November 2021) | Viewed by 3705

Special Issue Editors

Prof. Dr. Shengyong Lu

E-Mail Website
Guest Editor
Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
Interests: municipal solid waste incineration; waste to energy; persistant organic pollutants; flue gas cleaning; dioxin emission control; fly ash treatment; catalytic degradation; catalytic filtration; online monitoring of dioxins
Dr. Yaqi Peng

E-Mail Website
Co-Guest Editor
State Key Laboratory for Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
Interests: solid waste incineration; air pollutants control; dioxins destruction
Dr. Minghui Tang

E-Mail Website
Co-Guest Editor
State Key Laboratory for Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
Interests: biomass carbon; control technology of organic pollutants; heterogeneous catalysis

Special Issue Information

Dear Colleagues,

At present, with the continuous development of the economy and the increasingly frequent production activities, a large amount of solid waste has been produced. If it is not timely, scientific and effective treatment, it is bound to cause pollution and damage to the surrounding atmosphere and water environment, which is not conducive to the realization of sustainable development. The current trend, as well as moving forward to the foreseeable horizon in the area of waste treatment, rapidly converge on the theme “sustainable and green” treatment of waste discharge.

We encourage scientists and researchers to submit papers (including research papers, communications, and review articles) that will advance our knowledge of waste disposal and highlight new approaches for solid waste treatment research. The aim of this Special Issue is to focus on the harmless treatment of solid waste via different pathways approaches, including waste biochemical treatment, thermal disposal, fly ash treatment, industrial waste treatment, flue gas purification, and so on. It also offers innovation and learning on the subject of the conservation of resources for future generations.

Prof. Dr. Shengyong Lu
Dr. Yaqi Peng
Dr. Minghui Tang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Waste biochemical treatment keyword
  • Thermal disposal
  • Fly ash treatment
  • Industrial waste treatment
  • Flue gas purification
  • Mechanochemical treatment

Published Papers (2 papers)

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Research

12 pages, 21085 KiB  
Article
The Effect of Adjusting Sinter Raw Mix on Dioxins from Iron Ore Co-Sintering with Municipal Solid Waste Incineration Fly Ash
by Hao He, Xuanhao Guo, Lizheng Jin, Yaqi Peng, Minghui Tang and Shengyong Lu
Energies 2022, 15(3), 1136; https://doi.org/10.3390/en15031136 - 03 Feb 2022
Cited by 5 | Viewed by 1325
Abstract
The inhibition effect of calcined lime (CaO) and limestone (CaCO3) on the formation of dioxins during iron ore co-sintering with fly ash was investigated in a sinter pot in the present work. Experimental results indicated that international total toxicity equivalent concentration [...] Read more.
The inhibition effect of calcined lime (CaO) and limestone (CaCO3) on the formation of dioxins during iron ore co-sintering with fly ash was investigated in a sinter pot in the present work. Experimental results indicated that international total toxicity equivalent concentration of dioxins decreased from 1.4335 to 0.2922, 0.1048, 0.4562, and 0.3098 ng I-TEQ Nm−3 under four different experimental conditions. It can be concluded that 5 wt.% calcined lime with 3 wt.% limestone is the optimal addition to reduce the concentration of dioxins in flue gas, with 92.70% inhibition efficiency. Effects on dioxin distribution was also analyzed. The distribution proportion of low-chlorinated dioxins was found to increase, while that of high-chlorinated dioxins decreased, except for octachlorianted dibenzo-p-dioxins (OCDD). The reason is that the consumption of HCl not only inhibits the de novo synthesis, but also dramatically promotes the condensation and dechlorination to produce more tetrachlorianted dibenzo-p-dioxins and octachlorianted dibenzo-p-dioxins through precursors. Finally, condensation, dichlorination, and inhibition mechanisms of dioxins during co-sintering with municipal solid waste incineration (MSWI) fly ash are proposed. Full article
(This article belongs to the Special Issue Harmless Treatment of Solid Waste)
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15 pages, 2379 KiB  
Article
Experimental Study on Co-Pyrolysis Characteristics of Household Refuse and Two Industrial Solid Wastes
by Hancheng Ma, Jianye Bei, Mingxiu Zhan, Wentao Jiao, Xu Xu and Xiaodong Li
Energies 2021, 14(21), 6945; https://doi.org/10.3390/en14216945 - 22 Oct 2021
Cited by 5 | Viewed by 1776
Abstract
The calorific value of household refuse (HR) is greatly improved after classification, which includes the implementation of sufficient pyrolysis conditions. Therefore, a better pyrolysis effect can be achieved by co-pyrolysis with industrial solid waste (ISW) with high calorific value. In this work, HR [...] Read more.
The calorific value of household refuse (HR) is greatly improved after classification, which includes the implementation of sufficient pyrolysis conditions. Therefore, a better pyrolysis effect can be achieved by co-pyrolysis with industrial solid waste (ISW) with high calorific value. In this work, HR and ISW were used as raw materials for co-pyrolysis experiments. The influence on the distribution of three-phase products after co-pyrolysis, the concentration of heavy metals and dioxins in the flue gas, and the distribution of PCDD/Fs isomers were studied. The results showed that, at a temperature of 600 °C and H/C = 1.3, of the formed material, the quantity of pyrolysis gas was approximately 27 wt.%, and the quantity of pyrolysis oil was approximately 40.75 wt.%, which mainly contained alkanes, olefins, and aromatic hydrocarbons. When S/C = 0.008, pyrolysis gas accounted for 25.95 wt.% of the formed material, and pyrolysis oil for 41.95 wt.% of the formed material. The ignition loss rate of pyrolysis coke was approximately 20%, and the maximal calorific value was 14,217 KJ/kg. According to the thermogravimetric experiment, the co-pyrolysis of HR and ISW can promote the positive reaction of pyrolysis, and the weight loss reached 62% at 550 °C. The emission of gaseous heavy metals was relatively stable, and the concentration of heavy metals slightly decreased. The main heavy metals in the ash were Cu, Fe, and Zn. The emission of dioxins could be effectively reduced by the pyrolysis of HR with ISW, and the produced dioxins were mainly synthesized from de novo synthesis. After pyrolysis, the toxic equivalent of dioxins in the flue gas was reduced from 0.69 to 0.29 ng I-TEQ/Nm3, and the distribution of dioxin isomers in the flue gas had little influence. The experimental results provide a theoretical basis for the application of co-pyrolysis technology with HR and ISW. Full article
(This article belongs to the Special Issue Harmless Treatment of Solid Waste)
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