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Thermal Methods for Waste Utilization

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "J: Thermal Management".

Deadline for manuscript submissions: closed (26 August 2021) | Viewed by 5720

Special Issue Editor


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Guest Editor
Institute for Energy and Fuel Processing Technology, 41-803 Zabrze, Poland
Interests: waste; biomass; WtE; recycling; adsorption; CCS; CCU; pyrolysis; gasification
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Thermal waste treatment is a very important part of the entire waste management system. Although the circular economy is becoming more and more important all over the world, and the levels of material recycling of various waste fractions are constantly increasing, it is still impossible to organize a systemic waste management without activities related to the thermal utilisation of some waste. The current climate policy related to the reduction of carbon dioxide emissions resulting from the use of fossil fuels supports the development of alternative energy sources, e.g. using combustible waste. Simultaneously, the increasingly stringent emission standards that modern installations must meet are a major challenge for the industry of thermal waste treatment. This implies higher and higher costs of waste treatment, reluctantly accepted by the society. In the planned Special Issue, we intend to focus (but not exclusively) on:

  • improving methods of emissions reduction from thermal waste treatment,
  • thermal utilisation of SRF (solid recovered fuels),
  • disposal of waste infected with SARS-CoV-2 virus,
  • thermochemical recycling of waste,
  • waste co-incineration,
  • pyrolysis and gasification of waste,
  • management of by-products from thermal waste treatment.

Assoc. Prof. Slawomir Stelmach
Guest Editor

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.

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Published Papers (2 papers)

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Research

20 pages, 4045 KiB  
Article
Biochars in Iron Ores Sintering Process: Effect on Sinter Quality and Emission
by Marian Niesler, Janusz Stecko, Sławomir Stelmach and Anna Kwiecińska-Mydlak
Energies 2021, 14(13), 3749; https://doi.org/10.3390/en14133749 - 22 Jun 2021
Cited by 11 | Viewed by 2272
Abstract
The article presents results of the research on the use of chars produced during pyrolysis of residual biomass as a substitutional fuel in the iron ore sintering process. Such an approach allows to implement circular economy and industrial symbiosis to the iron and [...] Read more.
The article presents results of the research on the use of chars produced during pyrolysis of residual biomass as a substitutional fuel in the iron ore sintering process. Such an approach allows to implement circular economy and industrial symbiosis to the iron and steel branches. The effect of the substitution of conventional coke breeze fuel used in sintering on final sinter quality and emission was examined. With regard to productivity, fuel consumption, and properties of the sinter it was shown that the share of tested biochars in fuel may be kept at 10, and up to 30 wt.%, depending on the biochar type. It was observed that with the use of the biochars, the content of iron oxide in the sinter decreased, which was advantageous. Moreover, the sinter obtained in the presence of biochars was characterized with better strength and abrasion than the sinter obtained with coke breeze-based fuel, improving the final product quality. The presence of biochar influenced the raw exhaust gas composition and resulted in a slight increase of organic and inorganic carbon compounds content, while the amount of sulfur oxides was noticeably decreased. It was concluded that the biochars may be applied in the sintering process at established share in the fuel stream. Full article
(This article belongs to the Special Issue Thermal Methods for Waste Utilization)
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12 pages, 5079 KiB  
Article
Determination of Fuel Properties of Char Obtained during the Pyrolysis of Waste Pharmaceutical Blisters
by Krzysztof Pikoń, Waldemar Ścierski, Katarzyna Klejnowska, Łukasz Myćka, Anna Janoszka and Aleksander Sinek
Energies 2021, 14(6), 1782; https://doi.org/10.3390/en14061782 - 23 Mar 2021
Cited by 5 | Viewed by 2465
Abstract
The research presented in this manuscript is focused on the pyrolysis of waste pharmaceutical blisters, which are a large and neglected group of waste, that could be possibly recovered. The studies were focused on the analysis of the chemical composition, as well as [...] Read more.
The research presented in this manuscript is focused on the pyrolysis of waste pharmaceutical blisters, which are a large and neglected group of waste, that could be possibly recovered. The studies were focused on the analysis of the chemical composition, as well as fuel properties of the char generated during the process and its possible applications. The process temperatures (400, 425, and 450 °C) were determined based on the thermogravimetric study that was performed prior to the pyrolysis tests. The selected materials included the pre- and post-consumer waste pharmaceutical blisters in order to determine the possible influence of impurities on the final products. The tests were performed on a laboratory scale fixed bed reactor. The obtained solid fractions (metal and char) were separated. Char was subjected to elemental analysis (C, H, N, Cl, S), as well as the heat of combustion and fuel-related properties (content of flammable, non-flammable, and volatile components) were determined. The results were used to compare the properties of char to the properties of active carbon. The market potential was analyzed. Full article
(This article belongs to the Special Issue Thermal Methods for Waste Utilization)
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