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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Energy Technologies and CO2 Management Symposium
Presentation Title Direct Reduction of Copper Slag Composite Pellets within Lignite Using Biomass as Binder
Author(s) Zongliang Zuo, Qingbo Yu, Huaqing Xie, Qin Qin, Mengqi Wei
On-Site Speaker (Planned) Zongliang Zuo
Abstract Scope The resource utilization of copper slag is an attractive option of iron resource. Thermal energy recovery and direct reduction (TER-DR) system was proposed in this study. By theoretical analysis, the exergy efficiency of this system can reach to 57.3%. To investigate the feasibility of TER-DR system, copper slag composite pellets within lignite were prepared. As a new binder, pine sawdust was added into the pellets. The diameter of pellets was 20mm in experiments and the compressive strength of them was up to 831N when the addition ratio of biomass was 29%. The results showed that the overall iron recovery reached to 90% and the separated iron concentrate was up to 93.5% when the temperature is at 1423K for 90min with CaO addition ratio of 0.3. The process reduces the secondary environmental pollution of copper slag and will be applied well in the future.
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

2D Metal Oxide Nanosheets for Sustainable Applications
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CaxSr1-xO Heterogeneous Catalysts Using Polymer Complex Method (PCM) for Biodiesel Production
Charge Modulation for Manipulating Material-gas Interactions: CO2 Capture and H2 Storage
Direct Reduction of Copper Slag Composite Pellets within Lignite Using Biomass as Binder
Effect of Heat Input on the Microstructure of EH36 Shipbuilding Steel
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Energy Conservation in Sintering Ignition Process Based on Comprehensive Ignition Intensity
Evaluation of Variation in the Life Cycle Based Environmental Impacts for Copper Concentrate Production
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