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In this work, the technology of carbothermic reduction was used to extract iron and remove sodium from red mud. The effect of various parameters like reduction time, temperature, and basicity on melting separation and de-alkalization was studied. At the optimum reduction temperature of 1,450°C, the basicity of 1.5, and reduction time of 12 min, the metallization rate and sodium removal reach 96.63 and 90.62%, respectively. Melting and separating conditions gradually improve with the temperature increasing from 1,350 to 1,450°C. At high basicity (R = 2), the condition of melting and separatio...
Alternative raw materials in Europe: projects and perspectives
Recycling rare earth elements from the ash left over from coal burning is cheaper, easier and more environmentally friendly than digging them out of mines
MoU Signed For Rare Earth Extraction From Aluminium Waste Under Aatmnirbhar Mission MoU Signing Ceremony on Technology Development for Holistic Utilization of Red Mud for Extraction of Metallic Values A Memorandum of Understanding, MoU was signed between CSIR Institute of Metal and Materials Technology (CSIR-IMMT), Bhubaneswar; CSIR-National Metallurgical Laboratory (CSIR-NML), Jamshedpur; National Aluminium Company Ltd. (NALCO), on 31 March for extraction of Rare Earth Elements (REE), from Red Mud(Aluminum waste). Also part of MoU is the Nagpur-based institute Jawaharlal Nehru Aluminium Rese...