Thermal activation significantly improves the organic pollutant removal rate of low-grade manganese ore in a peroxymonosulfate system
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DOI: 10.1039/d2ra02970g
Abstract: Low-cost, eco-friendly and effective catalysts are essential for activating peroxymonosulfate (PMS) to purify water. Hence, we investigated using thermal activation natural low-grade manganese ore (CNMO) as an effective catalyst to activate PMS for the removal… read more here.
Keywords: grade manganese; pms; low grade; manganese ore ... See more keywords
Upgrading of low-grade manganese ore based on reduction roasting and magnetic separation technique
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DOI: 10.1080/01496395.2018.1504795
Abstract: ABSTRACT The selective reduction of low-grade manganese ore followed by magnetic separation was proposed to produce rich-manganese ore. The optimized parameters include a roasting temperature of 1050°C, a roasting time of 6 h, a manganese… read more here.
Keywords: reduction; magnetic separation; grade manganese; manganese ore ... See more keywords
Kinetic Study of the Leaching of Low-Grade Manganese Ores by Using Pretreated Sawdust as Reductant
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DOI: 10.3390/min7050083
Abstract: The reductive leaching of manganese from a low-grade manganese oxide ore was investigated by using pretreated sawdust as the reductant in a sulfuric acid medium. The effects of stirring speed, liquid/solid ratio, sawdust/ore mass ratio,… read more here.
Keywords: using pretreated; pretreated sawdust; sawdust; ratio ... See more keywords