Coal India Ltd to Launch M-Sand Projects in a Big Way
GS Paper 3 Syllabus: Science and Technology, Environment Conservation Source: PIB Context: Coal India Ltd (CIL) has envisaged processing the fragmented rock (known as Overburden Rocks (OB) for sand production in mines. OB material contains about 60% sandstone by volume which is harnessed through crushing and processing of Overburden. What is M Sand? M …
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