Major Impurities in China Clay are quartz, mica, feldspar
and iron oxide minerals. China clay is an important raw material for many
industries like rubber, textile, paper, pharmaceutical, cosmetic, paint, and
refractory besides ceramic industry. For any value-added application, the
run-of-mines (ROM) clay is to be processed to remove or reduce the ancillary
mineral impurities associated with the same. Beneficiation helps to achieve
required particle size and size distribution and also to attain other physical
and optical properties for the clay.
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