Acidithiobacillus ferrooxidans biofilm grown on uranium ore substrate was analyzed by a micro-Raman spectrometer and an atomic force microscope (AFM). The bacterium employed for this study, A. ferrooxidans BMI, was isolated ...

Mesoporous MCM-41 and Mn-MCM-41 with varying Si/Mn ratios such as 100, 60, 40, 20 and 10 were synthesized at room temperature under basic conditions by direct insertion of metal ions during synthesis. The bulk and surface ...

This paper reports a novel and low-cost thermal plasma assisted heating method for ultrafast sintering of rare-earth-based perovskite manganites. An indigenously designed DC thermal plasma reactor has been used to sinter ...

Investigations were carried out on coking coal fines by conventional cell and column flotation techniques. The effects of different operating parameters were evaluated for both conventional and column flotation. The coal ...

Bioleaching is an emerging technology with significant potentials to add value to the mining industries so as to deliver attractive environmental and social benefits to all the associates. Chalcopyrite, CuFeS(2), is the ...