Mineralizers and Fluxes in Clinkerization

Viswanathan, V. N.; Ghosh, Sandip

doi:10.1016/b978-0-08-028670-9.50011-9

Advances in Cement Technology 1983

DOI: 10.1016/b978-0-08-028670-9.50011-9

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Mineralizers and Fluxes in Clinkerization

V. N. Viswanathan

Sandip Ghosh

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1985

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Alite Formation in the Rice Husk Ash-CaCO₃System: Influence of Mineralizers on Formation

Misra

Borthakur

1985

Transactions of the Indian Ceramic Society

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During the processing of rice, about 35% of paddy is obtained as husk, which on ignition produces friable ash containing mostly silica in amorphous form and little amount of Fe 2 0 3 , Al 2 0a, CaO, MgO, K 2 0, P 2 0 5 etc, besides varied amount of free carbon depending upon the method of burning. This ash may be used for the production of high alite cements in lieu of quartz, which demands high grinding energy and is known for slow reactivity. CaF, CuO, PbO, Mn02 and Sn0 2 have been examined as mineralizers during laboratory scale burning of raw mix (with LSF = 99.33), prepared from rice husk ash. CuO was found to act in fairly low (0.5%) concentration. ZnO and Mn0 2 were also found to be highly effective. Mn02 acted more favourably at 1400°C and above and when the addition was 1 % or more. The mineralizing action of Sn0 2 was somewhat moderate and PbO exhibited only a feeble action. The order of mineralizing effectiveness changed with temperature as well as concentration. Rapid cooling was necessary when CaF 2 and more than 0.5% CuO were used as mineralizers.

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Alite Formation in the Rice Husk Ash-CaCO₃System: Influence of Mineralizers on Formation

Misra

Borthakur

1985

Transactions of the Indian Ceramic Society

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show abstract

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Mineralizers and Fluxes in Clinkerization

Cited by 1 publication

References 24 publications

Alite Formation in the Rice Husk Ash-CaCO₃System: Influence of Mineralizers on Formation

Alite Formation in the Rice Husk Ash-CaCO₃System: Influence of Mineralizers on Formation

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Mineralizers and Fluxes in Clinkerization

Cited by 1 publication

References 24 publications

Alite Formation in the Rice Husk Ash-CaCO3System: Influence of Mineralizers on Formation

Alite Formation in the Rice Husk Ash-CaCO3System: Influence of Mineralizers on Formation

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Alite Formation in the Rice Husk Ash-CaCO₃System: Influence of Mineralizers on Formation

Alite Formation in the Rice Husk Ash-CaCO₃System: Influence of Mineralizers on Formation