Statistical Modeling Studies of Iron Recovery from Red Mud Using Thermal Plasma

Swagat S. RATH; Archana PANY; K. JAYASANKAR; Ajit K. MITRA; C. SATISH KUMAR; Partha S. MUKHERJEE; Barada K. MISHRA

doi:10.1088/1009-0630/15/5/13

Plasma Science and Technology > 2013 > 15(5): 459-464. > DOI: 10.1088/1009-0630/15/5/13

Swagat S. RATH, Archana PANY, K. JAYASANKAR, Ajit K. MITRA, C. SATISH KUMAR, Partha S. MUKHERJEE, Barada K. MISHRA. Statistical Modeling Studies of Iron Recovery from Red Mud Using Thermal Plasma[J]. Plasma Science and Technology, 2013, 15(5): 459-464. DOI: 10.1088/1009-0630/15/5/13

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Statistical Modeling Studies of Iron Recovery from Red Mud Using Thermal Plasma

1 Institute of Minerals and Materials Technology (CSIR), Bhubaneswar 751013, India 2 Vedanta Alumina Limited, Lanjigarh, Odisha 766027, India

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Received Date: August 24, 2011

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Abstract

Optimization studies of plasma smelting of red mud were carried out. Reduction of the dried red mud fines was done in an extended arc plasma reactor to recover the pig iron. Lime grit and low ash metallurgical (LAM) coke were used as the °ux and reductant, respectively. 2- level factorial design was used to study the influence of all parameters on the responses. Response surface modeling was done with the data obtained from statistically designed experiments. Metal recovery at optimum parameters was found to be 79.52%.
- plasma,
- response surface modeling,
- red mud,
- design of experiments,
- optimiza- tion

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