The National Metallurgical Laboratory in the development of Mineral Beneficiation and Extractive Metallurgical Techniques

In the context of India's mineral resources, the author discusses researches on mineral beneficiation and deve-lopments in extractive metallurgical techniques, and outlines the role of the National Metallurgical Labo-ratory in this respect. General particulars are furnished of the work done on beneficiation of manganese, chromite, graphite, pyrites, etc., and of the extractive metall-urgical themes under development at the Laboratory, in-cluding pilot plant investigations on electrolytic mang-anese and manganese dioxide. A review of the Laboratory's programme of work during the second Plan, which includes the setting up of pilot plant projects on thermal bene-ficiation of low-grade manganese and chromite ores and
the treatment of low-grade manganese, chrome and other ores by ore-dressing methods, is also given.