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Low-Cost Organic Adsorbents for Elemental Mercury Removal from Lignite Flue Gas

Author

Listed:
  • Marta Marczak-Grzesik

    (Faculty of Energy and Fuels, AGH University of Science and Technology, Mickiewicz Avenue 30, 30-059 Krakow, Poland
    AGH Centre of Energy, AGH University of Science and Technology, Czarnowiejska 36, 30-054 Krakow, Poland)

  • Stanisław Budzyń

    (Faculty of Energy and Fuels, AGH University of Science and Technology, Mickiewicz Avenue 30, 30-059 Krakow, Poland)

  • Barbara Tora

    (Faculty of Mining and Geoengineering, AGH University of Science and Technology, Mickiewicz Avenue 30, 30-059 Krakow, Poland)

  • Szymon Szufa

    (Faculty of Process and Environmental Engineering, Lodz University of Technology, Wolczanska 213, 90-924 Lodz, Poland)

  • Krzysztof Kogut

    (Faculty of Energy and Fuels, AGH University of Science and Technology, Mickiewicz Avenue 30, 30-059 Krakow, Poland)

  • Piotr Burmistrz

    (Faculty of Energy and Fuels, AGH University of Science and Technology, Mickiewicz Avenue 30, 30-059 Krakow, Poland)

Abstract

The research presented by the authors in this paper focused on understanding the behavior of mercury during coal combustion and flue gas purification operations. The goal was to determine the flue gas temperature on the mercury emissions limits for the combustion of lignites in the energy sector. The authors examined the process of sorption of mercury from flue gases using fine-grained organic materials. The main objectives of this study were to recommend a low-cost organic adsorbent such as coke dust (CD), corn straw char (CS-400), brominated corn straw char (CS-400-Br), rubber char (RC-600) or granulated rubber char (GRC-600) to efficiently substitute expensive dust-sized activated carbon. The study covered combustion of lignite from a Polish field. The experiment was conducted at temperatures reflecting conditions inside a flue gas purification installation. One of the tested sorbents—tire-derived rubber char that was obtained by pyrolysis—exhibited good potential for Hg 0 into Hg 2+ oxidation, resulting in enhanced mercury removal from the flue. The char characterization increased elevated bromine content (mercury oxidizing agent) in comparison to the other selected adsorbents. This paper presents the results of laboratory tests of mercury sorption from the flue gases at temperatures of 95, 125, 155 and 185 °C. The average mercury content in Polish lignite was 465 μg·kg −1 . The concentration of mercury in flue gases emitted into the atmosphere was 17.8 µg·m −3 . The study analyzed five low-cost sorbents with the average achieved efficiency of mercury removal from 18.3% to 96.1% for lignite combustion depending on the flue gas temperature.

Suggested Citation

  • Marta Marczak-Grzesik & Stanisław Budzyń & Barbara Tora & Szymon Szufa & Krzysztof Kogut & Piotr Burmistrz, 2021. "Low-Cost Organic Adsorbents for Elemental Mercury Removal from Lignite Flue Gas," Energies, MDPI, vol. 14(8), pages 1-15, April.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:8:p:2174-:d:535562
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    References listed on IDEAS

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    1. Szymon Szufa & Grzegorz Wielgosiński & Piotr Piersa & Justyna Czerwińska & Maria Dzikuć & Łukasz Adrian & Wiktoria Lewandowska & Marta Marczak, 2020. "Torrefaction of Straw from Oats and Maize for Use as a Fuel and Additive to Organic Fertilizers—TGA Analysis, Kinetics as Products for Agricultural Purposes," Energies, MDPI, vol. 13(8), pages 1-30, April.
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    Cited by:

    1. Jerzy Gorecki & Mariusz Macherzynski & Jacek Chmielowiec & Karel Borovec & Mateusz Wałeka & Yinyou Deng & Janusz Sarbinowski & Grzegorz Pasciak, 2022. "The Methods and Stands for Testing Fixed Sorbent and Sorbent Polymer Composite Materials for the Removal of Mercury from Flue Gases," Energies, MDPI, vol. 15(23), pages 1-18, November.
    2. Jie Jiang & Yongfa Diao, 2022. "The Effects of Physical-Chemical Evolution of High-Sulfur Petroleum Coke on Hg 0 Removal from Coal-Fired Flue Gas and Exploration of Its Micro-Scale Mechanism," IJERPH, MDPI, vol. 19(12), pages 1-29, June.
    3. Dmytro Zhuravel & Kyrylo Samoichuk & Serhii Petrychenko & Andrii Bondar & Taras Hutsol & Maciej Kuboń & Marcin Niemiec & Lyudmyla Mykhailova & Zofia Gródek-Szostak & Dmytro Sorokin, 2022. "Modeling of Diesel Engine Fuel Systems Reliability When Operating on Biofuels," Energies, MDPI, vol. 15(5), pages 1-16, February.
    4. Szufa, S. & Piersa, P. & Junga, R. & Błaszczuk, A. & Modliński, N. & Sobek, S. & Marczak-Grzesik, M. & Adrian, Ł. & Dzikuć, M., 2023. "Numerical modeling of the co-firing process of an in situ steam-torrefied biomass with coal in a 230 MW industrial-scale boiler," Energy, Elsevier, vol. 263(PE).
    5. Oleg Kucher & Taras Hutsol & Szymon Glowacki & Iryna Andreitseva & Anatolii Dibrova & Andrii Muzychenko & Anna Szeląg-Sikora & Agnieszka Szparaga & Sławomir Kocira, 2022. "Energy Potential of Biogas Production in Ukraine," Energies, MDPI, vol. 15(5), pages 1-22, February.
    6. Jianping Yang & Hong Xu & Fanyue Meng & Qingjie Guo & Tao He & Zequn Yang & Wenqi Qu & Hailong Li, 2022. "A Molten-Salt Pyrolysis Synthesis Strategy toward Sulfur-Functionalized Carbon for Elemental Mercury Removal from Coal-Combustion Flue Gas," Energies, MDPI, vol. 15(5), pages 1-15, March.
    7. Piotr Piersa & Szymon Szufa & Justyna Czerwińska & Hilal Ünyay & Łukasz Adrian & Grzegorz Wielgosinski & Andrzej Obraniak & Wiktoria Lewandowska & Marta Marczak-Grzesik & Maria Dzikuć & Zdzislawa Roma, 2021. "Pine Wood and Sewage Sludge Torrefaction Process for Production Renewable Solid Biofuels and Biochar as Carbon Carrier for Fertilizers," Energies, MDPI, vol. 14(23), pages 1-27, December.
    8. Zdzislawa Romanowska-Duda & Szymon Szufa & Mieczysław Grzesik & Krzysztof Piotrowski & Regina Janas, 2021. "The Promotive Effect of Cyanobacteria and Chlorella sp. Foliar Biofertilization on Growth and Metabolic Activities of Willow ( Salix viminalis L.) Plants as Feedstock Production, Solid Biofuel and Bio," Energies, MDPI, vol. 14(17), pages 1-21, August.
    9. Edyta Wrzesińska-Jędrusiak & Michał Czarnecki & Paweł Kazimierski & Paulina Bandrów & Szymon Szufa, 2023. "The Circular Economy in the Management of Waste from Leather Processing," Energies, MDPI, vol. 16(1), pages 1-16, January.

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