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Fly Ash from Thermal Conversion of Sludge as a Cement Substitute in Concrete Manufacturing

Author

Listed:
  • Gabriela Rutkowska

    (Institute of Civil Engineering, Warsaw University of Life Sciences (SGGW), 02-776 Warszawa, Poland)

  • Marek Chalecki

    (Institute of Civil Engineering, Warsaw University of Life Sciences (SGGW), 02-776 Warszawa, Poland)

  • Mariusz Żółtowski

    (Water Center of Warsaw University of Life Sciences (SGGW), 02-776 Warszawa, Poland)

Abstract

Striving for reduction of production costs and constraints on natural resources cause the use of waste materials as substitutes of traditional raw materials to become increasingly important. Dynamic development of sewerage systems and sewage treatment plants observed over the recent years leads to increase of mass of the produced sewage sludge. According to the Waste Law, the municipal sewage sludge can be used if it is properly stabilized, e.g., through thermal processing. This process results in significant quantities of fly ash which must be properly utilized. The paper presents results of investigations of influence of partial replacement of cement by the fly ash from sewage sludge on concrete parameters. It was designed as a C20/25 class concrete mix, based on the Portland cement CEM I 42.5R with various ash content. Physical and chemical properties of the ash as well as frost resistance and the compressive strength of the concrete after 28, 56 and 365 days of curing were investigated. The obtained results of investigations confirm the possibility of application of fly ash wastes as a cement substitute in the concrete manufacturing. If a predefined quantity of cement is replaced by the fly ash, then one can obtain cement composite with good strength parameters.

Suggested Citation

  • Gabriela Rutkowska & Marek Chalecki & Mariusz Żółtowski, 2021. "Fly Ash from Thermal Conversion of Sludge as a Cement Substitute in Concrete Manufacturing," Sustainability, MDPI, vol. 13(8), pages 1-14, April.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:8:p:4182-:d:532817
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    References listed on IDEAS

    as
    1. Rafiu O. Yusuf & Zainura Zainon Noor & Moh'd Fadhil Moh'd Din & Ahmad H. Abba, 2012. "Use of sewage sludge ash (SSA) in the production of cement and concrete - a review," International Journal of Global Environmental Issues, Inderscience Enterprises Ltd, vol. 12(2/3/4), pages 214-228.
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    Cited by:

    1. Yuliia Trach & Victor Melnychuk & Oleksandr Stadnyk & Roman Trach & Filip Bujakowski & Agnieszka Kiersnowska & Gabriela Rutkowska & Leonid Skakun & Jacek Szer & Eugeniusz Koda, 2023. "The Possibility of Implementation of West Ukrainian Paleogene Glauconite–Quartz Sands in the Building Industry: A Case Study," Sustainability, MDPI, vol. 15(2), pages 1-22, January.
    2. Chaofeng Liang & Xinqian Le & Weijiong Fang & Jianming Zhao & Liuji Fang & Shaodan Hou, 2022. "The Utilization of Recycled Sewage Sludge Ash as a Supplementary Cementitious Material in Mortar: A Review," Sustainability, MDPI, vol. 14(8), pages 1-20, April.
    3. Dhanasingh Sivalinga Vijayan & Parthiban Devarajan & Arvindan Sivasuriyan & Anna Stefańska & Eugeniusz Koda & Aleksandra Jakimiuk & Magdalena Daria Vaverková & Jan Winkler & Carlos C. Duarte & Nuno D., 2023. "A State of Review on Instigating Resources and Technological Sustainable Approaches in Green Construction," Sustainability, MDPI, vol. 15(8), pages 1-24, April.
    4. Łukasz Mazur & Anna Bać & Magdalena Daria Vaverková & Jan Winkler & Aleksandra Nowysz & Eugeniusz Koda, 2022. "Evaluation of the Quality of the Housing Environment Using Multi-Criteria Analysis That Includes Energy Efficiency: A Review," Energies, MDPI, vol. 15(20), pages 1-24, October.
    5. Krzysztof Wiśniewski & Gabriela Rutkowska & Katarzyna Jeleniewicz & Norbert Dąbkowski & Jarosław Wójt & Marek Chalecki & Jarosław Siwiński, 2022. "The Impact of Fly Ashes from Thermal Conversion of Sewage Sludge on Properties of Natural Building Materials on the Example of Clay," Sustainability, MDPI, vol. 14(10), pages 1-16, May.

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