Pressure leaching of wolframite using a sulfuric-phosphoric acid mixture
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DOI: 10.1016/j.mineng.2021.106941
Abstract: Abstract In this paper, tungsten was extracted from wolframite using sulfuric-phosphoric acid mixtures. During leaching, wolframite was decomposed under acidic conditions, and phosphotungsten heteropoly acid was formed by the complexation of tungsten and phosphorus. The… read more here.
Keywords: wolframite using; phosphoric acid; leaching wolframite; using sulfuric ... See more keywords
Fractionation and characterization of lignin from sugarcane bagasse using a sulfuric acid catalyzed solvothermal process
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DOI: 10.1039/d1ra03237b
Abstract: Conversion of lignocellulosic residue to bioenergy and biofuel is a promising platform for global sustainability. read more here.
Keywords: fractionation characterization; lignin sugarcane; using sulfuric; characterization lignin ... See more keywords