| Characterization of China Clay Deposits at Mulieh Area
in Jaintia Hills, Meghalaya for its Industrial Applications |
S.c. BARAL
Pages : 141-146
DOI :10.1080/0371750X.1997.10804815 |
| Abstract |
| The physico-chemical characteristics of kaolinised rocks
occurring at the Northern part of Mulieh village of Jaintia
Hills in Meghalaya were studied with a view to finding out
their possible industrial applications. The study was
conducted on the washed fraction (Grade I) of the clay as
obtained by systematic levigation based on the principle of
gravity sedimentation. The investigation included
characterization of the clay for its suitability in paper,
textile, rubber and insecticide industries as per BIS
specification. The clay was further evaluated for its
application in the field of ceramic whitewares, and this
included definite formulation of various types of ceramic
products and finding out the thermo-mechanical properties at
different temperatures subject to the requirements of the
respective products.
The results indicated that the clay was quite suitable for
direct use in paper, textile, rubber and insecticide industry
except as a coating material in paper or textile. Due to offwhite
colour of the clay, its use was restricted in making
porcelain tablewares and alike; otherwise it suited well in all
the other ceramic applications. |
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