The rheological characteristics of three varieties of noncoking coals have been modulated by three starch-based additives, starch xanthate, starch xanthide, and starch phosphate. The apparent viscosity of the modified ...

Wet processing of coal requires a large quantity of water. Waste generated from wet process ties up a significant amount of water and land. The slurry ponds also pose serious problems in case of dam breakage. Dry beneficiation ...

The Kontiagarh placer deposit in the Ganjam district, Orissa, India extends in northeast direction having a width of 700-1000 m. A total of 187 samples were collected meterwise from 55 bore holes in a grid pattern from ...

M/S Hindustan Copper Limited (HCL), India generates large amounts of lean sulfide ores of copper. The current production of lean copper ores in India is 0.55 million tons with similar to 0.3% average copper content. ...

Seasonal and spatial variations in water quality parameters, such as nutrients [NH(4) (+)-N, NO (2) (-) -N, NO (3) (-) -N, PO (4) (3-) -P, total nitrogen (TN) and total phosphorus (TP)], Secchi disc depth, salinity, dissolved ...