Ted Krapkat
Registered User
Gladstone, Queensland, Australia.
Plant Chemist, Cement Australia.
Hello Norew, This paper claims that the best calcination temperature is 700 - 800deg http://www.scientific....
Hello Norew, It really depends on your rainfall patterns. As long as you don't have long periods of heavy ra...
Hello Norew, How are the wet rice husks fed into the kiln inlet and where are they added exactly? If the poi...
Hello Norew, It depends on the availability of the shale and the cost of calcination. Calcined shale is best...
Hello Elwathig, Bridging in a hopper is more likely if the hopper outlet is too small for the size or type of f...
Hello Norew, Yes, even quarried shales may possess pozzolanic properties if they are of the correct lithologica...
Hello Norew, Is the cement in question GPC or PPC? By how much is the 7d strength failing? If it is only fa...
Hello Norew, Syngenite (K2SO4.CaSO4.H2O) can only form if there is sufficient K2SO4 in the cement. One way of r...
Hello Norew, I don't have access to any studies done with regard to shale as a cement additive but I know that ...
Hi Norew, To control cement strength variability, the main items to look at are;- 1. Sampling. 2. Testing....
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