Utilization of recycled paper processing residues and clay of different sources for the production of porous anorthite ceramics |
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| Authors: | Mucahit Sutcu Sedat Akkurt |
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| Affiliation: | 1. CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, PR China;2. Ningbo Urban Environment Observation and Research Station-NUEORS, Chinese Academy of Sciences, PR China;3. School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, PR China;4. Materials and Surface Science Institute (MSSI), University of Limerick (UL), Ireland;1. Université de Toulouse, INPT, LCA (Laboratoire de Chimie Agro-Industrielle), ENSIACET, 4 allée Emile Monso - BP 44362, 31030 Toulouse Cedex 4, France;2. INRA, UMR 1010 CAI, Toulouse, France;3. Arterris Innovation, 24 avenue Marcel Dassault, 31500 Toulouse, France;1. Department of Civil Engineering, Faculty of Engineering, Bartin University, 74100 Bartin, Turkey;2. Department of Materials Science and Engineering, Izmir Katip Celebi University, 35620 Izmir, Turkey;3. Department of Environmental Engineering, Bartin University, 74100 Bartin, Turkey;4. Department of Metallurgy, Faculty of Technical Education, University of Adiyaman, Adiyaman, Turkey;5. School of Aviation, Dicle University, 21280 Diyarbakir, Turkey;6. Department of Metallurgical and Materials Engineering, Bartin University, 74100 Bartin, Turkey;1. School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044, PR China;2. State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, PR China;3. Department of Materials Science and Engineering, Advanced Materials Processing and Analysis Center, University of Central Florida, Orlando, FL 32816, USA;1. The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China;2. School of Materials Science and Engineering, Anhui University of Technology, Ma’anshan 243002, China;3. Key Laboratory of Metallurgical Emission Reduction & Resources Recycling, Ministry of Education, Anhui University of Technology, Ma''anshan 243002, China;4. College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter EX4 4QF, UK |
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| Abstract: | Production of porous anorthite ceramics from mixtures of paper processing residues and three different clays are investigated. Suitability of three different clays such as enriched clay, commercial clay and fireclay for manufacturing of anorthite based lightweight refractory bricks was studied. Porous character to the ceramic was provided by addition of paper processing residues (PPR). Samples with 30–40 wt% PPR fired at 1200–1400 °C contained anorthite (CaO·Al2O3·2SiO2) as major phase and some minor secondary phases such as mullite (3Al2O3·2SiO2) or gehlenite (2CaO·Al2O3·SiO2), depending on the calcite to clay ratio. Anorthite formation for all clay types was quite successful in samples with 30–40 wt% of paper residues fired at 1300 °C. A higher firing temperature of 1400 °C was needed for the fireclay added samples to produce a well sintered product with large pores. Gehlenite phase occurred mostly at lower temperatures and in samples containing higher amount of calcium (50 wt% PPR). Compressive strength of compacted and fired pellets consisting of mainly anorthite ranged from 8 to 43 MPa. |
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