The Incorporation of Waste Sludge into the Production of High-Temperature-Resistant Adhesive Ceramic Materials

In recent years, the interest of the scientific community has become focused on the integration of circular economy principles by eliminating end-of-life concepts and forming zero-waste strategies. The present paper suggests the possible application of innovative, eco-friendly, cost-effective, and h...

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Main Authors: Neda Nišić, Milan Kragović, Jelena Gulicovski, Milan Žunić, Francesco Basoli, Milan Gordić, Marija Stojmenović
Format: Article
Language:English
Published: MDPI AG 2023-08-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/13/16/9044
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author Neda Nišić
Milan Kragović
Jelena Gulicovski
Milan Žunić
Francesco Basoli
Milan Gordić
Marija Stojmenović
author_facet Neda Nišić
Milan Kragović
Jelena Gulicovski
Milan Žunić
Francesco Basoli
Milan Gordić
Marija Stojmenović
author_sort Neda Nišić
collection DOAJ
description In recent years, the interest of the scientific community has become focused on the integration of circular economy principles by eliminating end-of-life concepts and forming zero-waste strategies. The present paper suggests the possible application of innovative, eco-friendly, cost-effective, and highly efficient ceramic materials with the partial implementation of aluminosilicate-based waste in the form of wastewater sludge in advanced technology solutions. The specific objective was to demonstrate the effective utilization of the investigated waste in the production of refractory adhesives and/or sealants for Intermediate-Temperature Solid-Oxide Fuel Cells (IT-SOFCs). Different physical–mechanical and chemical properties were determined along with the performance of leaching tests, the thermal cycling procedure, and leakage tests in a single cell. Based on the maintenance of mechanical integrity after thermal cycling and satisfying crystal and microstructural stability after high-temperature treatment, it was concluded that the investigated materials may be considered promising candidates for application as heat-resistant adhesives for connecting components in heating systems. However, they were not found to be applicable as sealants for IT-SOFCs in raw form according to the failure of testing in a single cell. Still, requirements for this purpose could be met after certain modifications of the composition and synthesis methodology, which presents the major initiative for our further research in this field.
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spelling doaj.art-2049d323b6dc4497ab3d365b374df4ee2023-11-19T00:03:21ZengMDPI AGApplied Sciences2076-34172023-08-011316904410.3390/app13169044The Incorporation of Waste Sludge into the Production of High-Temperature-Resistant Adhesive Ceramic MaterialsNeda Nišić0Milan Kragović1Jelena Gulicovski2Milan Žunić3Francesco Basoli4Milan Gordić5Marija Stojmenović6Institute of Nuclear Sciences “Vinča”-National Institute of the Republic of Serbia, University of Belgrade, 22-24 Mike Petrovića Alasa, 11351 Belgrade, SerbiaInstitute of Nuclear Sciences “Vinča”-National Institute of the Republic of Serbia, University of Belgrade, 22-24 Mike Petrovića Alasa, 11351 Belgrade, SerbiaInstitute of Nuclear Sciences “Vinča”-National Institute of the Republic of Serbia, University of Belgrade, 22-24 Mike Petrovića Alasa, 11351 Belgrade, SerbiaInstitute for Multidisciplinary Research, University of Belgrade, Kneza Višeslava 1, 11030 Belgrade, SerbiaDepartment of Science and Technology for Sustainable Development and One Health, Università Campus Bio-Medico di Roma, Via Álvaro del Portillo 21, 00128 Rome, ItalyInstitute of Nuclear Sciences “Vinča”-National Institute of the Republic of Serbia, University of Belgrade, 22-24 Mike Petrovića Alasa, 11351 Belgrade, SerbiaInstitute of Nuclear Sciences “Vinča”-National Institute of the Republic of Serbia, University of Belgrade, 22-24 Mike Petrovića Alasa, 11351 Belgrade, SerbiaIn recent years, the interest of the scientific community has become focused on the integration of circular economy principles by eliminating end-of-life concepts and forming zero-waste strategies. The present paper suggests the possible application of innovative, eco-friendly, cost-effective, and highly efficient ceramic materials with the partial implementation of aluminosilicate-based waste in the form of wastewater sludge in advanced technology solutions. The specific objective was to demonstrate the effective utilization of the investigated waste in the production of refractory adhesives and/or sealants for Intermediate-Temperature Solid-Oxide Fuel Cells (IT-SOFCs). Different physical–mechanical and chemical properties were determined along with the performance of leaching tests, the thermal cycling procedure, and leakage tests in a single cell. Based on the maintenance of mechanical integrity after thermal cycling and satisfying crystal and microstructural stability after high-temperature treatment, it was concluded that the investigated materials may be considered promising candidates for application as heat-resistant adhesives for connecting components in heating systems. However, they were not found to be applicable as sealants for IT-SOFCs in raw form according to the failure of testing in a single cell. Still, requirements for this purpose could be met after certain modifications of the composition and synthesis methodology, which presents the major initiative for our further research in this field.https://www.mdpi.com/2076-3417/13/16/9044wastewater sludgehigh-temperature adhesivesIT-SOFC sealantsceramics
spellingShingle Neda Nišić
Milan Kragović
Jelena Gulicovski
Milan Žunić
Francesco Basoli
Milan Gordić
Marija Stojmenović
The Incorporation of Waste Sludge into the Production of High-Temperature-Resistant Adhesive Ceramic Materials
Applied Sciences
wastewater sludge
high-temperature adhesives
IT-SOFC sealants
ceramics
title The Incorporation of Waste Sludge into the Production of High-Temperature-Resistant Adhesive Ceramic Materials
title_full The Incorporation of Waste Sludge into the Production of High-Temperature-Resistant Adhesive Ceramic Materials
title_fullStr The Incorporation of Waste Sludge into the Production of High-Temperature-Resistant Adhesive Ceramic Materials
title_full_unstemmed The Incorporation of Waste Sludge into the Production of High-Temperature-Resistant Adhesive Ceramic Materials
title_short The Incorporation of Waste Sludge into the Production of High-Temperature-Resistant Adhesive Ceramic Materials
title_sort incorporation of waste sludge into the production of high temperature resistant adhesive ceramic materials
topic wastewater sludge
high-temperature adhesives
IT-SOFC sealants
ceramics
url https://www.mdpi.com/2076-3417/13/16/9044
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