Recycling of steel slag and glass cullet from energy saving lamps by fast firing production of ceramics |
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| Authors: | E Furlani G Tonello S Maschio |
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| Institution: | 1. Department of Civil Engineering, Tsinghua University, Beijing 100084, China;2. School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing 100083, China;1. School of Mechanical and Electrical Engineering, Central South University, Changsha, 410083, China;2. State Key Laboratory of High Performance Complex Manufacturing, Changsha, 410083, China;3. State Key Laboratory for Powder Metallurgy, Central South University, Changsha, 410083, China;1. Graduate Institute of Environmental Engineering, National Taiwan University, Taipei 10673, Taiwan;2. Indian Institute of Technology, Roorkee, Uttarakhand 247667, India;3. Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taiwan;4. School of Environment and Energy, South China University of Technology, Guangzhou, Guangdong Province 510006, China;5. Carbon Cycle Research Center, National Taiwan University, Taipei 10673, Taiwan;1. Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry, Department of Civil Engineering, Tsinghua University, Beijing, China;2. China University of Mining and Technology (Beijing), Beijing, China |
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| Abstract: | The paper reports on some experimental results obtained from the production of ceramics containing steel slag and glass cullet from exhaust energy saving lamps mixed in different proportions. Blending of components was done by attrition milling. Pressed powders were fast fired (50 min, cold to cold) in air up to several temperatures in the range 1000–1140 °C. The sintering behaviour was studied by shrinkage and water absorption measurements. Density, strength and hardness of the fired bodies were determined and XRD were examined. The fired samples were finally tested in acidic environment in order to evaluate their elution behaviour and consequently their possible environmental compatibility. It is observed that the composition containing 60 wt.% of steel slag and 40 wt.% of glass cullet displayed the best overall behaviour. |
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