Effects Of Minor Batch Additions On The Rate Of Batch Melting

The mechanisms by which small additions to glass batches may yield large overall efffects are investigated. Samples of batches (150g) containing industrial grade raw materials with original grain sizes are heated up (10K/min). The effects of additions of Na2SO4+coal and NaCl on the melting progress are studied. The melting progress is measured by on-line recording of temperature and electrical resistivity. The tests are supported by a quantitative XRD analysis of residual cristobalite in the rough melt. Different sulfate + coal combinations reveal a distinct yet small advantage of reducing batches over oxidizing ones.

Author
R Conradt
Origin
Inst Min Eng, Germany
Journal Title
Proc Xviii Ict, San Francisco, Usa, July 1998 52-63
Sector
Special Glass
Class
S 1847

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Effects Of Minor Batch Additions On The Rate Of Batch Melting
Proc Xviii Ict, San Francisco, Usa, July 1998 52-63
S 1847
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