| China Clay Deposits in Mokhdumnagar
of Birbhum District, West Bengal -
Its Potentiality in Ceramic and other Industries |
S.C. BoRAL AND S. N. GHosH
Pages : 23-28
DOI : 10.1080/0371750X.1992.10804525 |
| Abstract |
| The vast deposits of Mokhdumnagar china clay from Birbhum
district of West Bengal has been characterised from mineralogical
and ceramic points of view with the object of evaluating its
suitability in the ceramic and other allied Industries. The study
includes examination of the general characteristics, chemical,
mineralogical and physical properties of the clay both in the
crude and washed form. Washing the crude clay resulted in two
types of beneficiated clays, Grade I and Grade II. Investigations
have also been made by incorporating the clay in some typical
ceramic body compositions. The results reveal that the clay is
essentially kaolinitic in nature and being only moderately plastic,
requires incorporation of at least 10-20% of ball clay to allow its
utilization in the pottery industry except in the manufacture of
white porcelain. The Grade II clay however, may be used in
making stoneware, earthenware or wall tiles with slight alteration
in compositions. The clay Grade I may be more or less
suitable in paper Industry as a filler, In rubber Industry and in
insecticide industry. |
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