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has been cited by the following article:

• TITLE: Chemical Leaching of Low Rank Coal and its Characterization using SEM/EDAX and FTIR

  AUTHORS: B. Manoj, A.G. Kunjomana, K.A. Chandrasekharan

  KEYWORDS: Coal; Minerals; Characterization; SEM; EDAX; FTIR

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.8 No.10, October 20, 2009

  ABSTRACT: Demineralization of coal carried out using EDTA for different time and HF of varying concentration. The residual coal from each treatment was characterized together with virgin coal using Scanning Electron Microscopy and energy dispersive X-ray analysis (EDAX). Micrograph and EDAX analysis of Virgin coal reveal the features lithophiles like aluminium, silicates and calcium. The absence of the features corresponding inorganic elements in residual samples is an indication of demineralization. An elemental analyzer was adopted to analyze CHNS on virgin and residual coal sample. The current research compares the leaching efficiency of a mild leachant and a strong leachant. The final analysis showed that the coal under study was sub bituminous coal and leaching could improve the amount of carbonaceous material.