| Basic Refractories from Indigenous Chrome Ores |
j. C. BANERJEE AND K. RAMESAM
Pages : 71-78
DOI : 10.1080/0371750X.1964.10855481 |
| Abstract |
| For 1/lanufacturc of basic refractories of chrome-magnesite type usc of high
grade chrome orcs with low SiO~ ( <4%) and iron oxide (18-20% max) has bccn
recommended. Such chrome ores arc not readily available in India. As such, the
possibility of utilising indigenous chrome ores with varying amounts of SiO 2 and
iron oxide for manufacture of chrome magnesite type of refractories has been
discussed in this j)(lper. Laboratory results indicate that chrome orcs with even 8
to 10% SiO~ could be used and chrome concentrate with 7% Si02 may be utilised.
The ratio of chrome and magnesite varies with the quality of chrome ores used.
Proper adjustment of grain sizes is an important factor. |
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