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preheater
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Volatilisation
Volatility of Fluoride
Hi, Does anybody have any practical experience with the volatility of fluoride in the preheater? We are currently burning 1 - 2tph of Spent Cell Liner (SCL) waste from a local aluminium refinery. This material contains ~10% fluoride. We have tested our clinker and found that the above usage rates of SCL increase the fluoride ...
Posted to
Technical Cement Forum
(Forum)
by
Ted Krapkat
on
November 10, 2008
Re: alumina content in refractories
Dogra, In general 25% in preheater, precalciner and calcining zone. Rising to 65% in the upper transition zone. In general the burning zone would be lined with magnesia based refractories. Then the outlet zone and nose ring may be lined with high alumina refractories for abrasion resistance. In the cooler high alumina refractories might be used ...
Posted to
Technical Cement Forum
(Forum)
by
Michael Clark
on
October 30, 2008
Re: Kiln feed to clinker ratio
Dear Bashar, Certainly improving the collection efficiency of the cyclones in the preheater will improve the kiln feed to clinker ratio. With kiln feed of typical lime saturation and calcium carbonate content the kiln feed to clinker factor would be expected to be around 1.54 due to loss of CO2 from the CaCO3. That factor is increased by the ...
Posted to
Technical Cement Forum
(Forum)
by
Michael Clark
on
June 9, 2008
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