Ted Krapkat
Posts: 537
Strapline: Registered User
Location: Gladstone, Queensland, Australia.
Occupation: Plant Chemist, Cement Australia.
Posts
re SHALE AS ADDITIVE
Hello Norew, This paper claims that the best calcination temperature is 700 - 800deg http://www.scientific....
re COAL STORAGE
Hello Norew, It really depends on your rainfall patterns. As long as you don't have long periods of heavy ra...
re ALTERNATIVE FUEL
Hello Norew, How are the wet rice husks fed into the kiln inlet and where are they added exactly? If the poi...
re SHALE AS ADDITIVE
Hello Norew, It depends on the availability of the shale and the cost of calcination. Calcined shale is best...
re lime stone hoper blockage
Hello Elwathig, Bridging in a hopper is more likely if the hopper outlet is too small for the size or type of f...
re SHALE AS ADDITIVE
Hello Norew, Yes, even quarried shales may possess pozzolanic properties if they are of the correct lithologica...
re FAILED 7-DAY STRENGTH
Hello Norew, Is the cement in question GPC or PPC? By how much is the 7d strength failing? If it is only fa...
re CEMENT LUMPS IN BAGS
Hello Norew, Syngenite (K2SO4.CaSO4.H2O) can only form if there is sufficient K2SO4 in the cement. One way of r...
re SHALE AS ADDITIVE
Hello Norew, I don't have access to any studies done with regard to shale as a cement additive but I know that ...
re COV OF 28-DAY STRENGTH
Hi Norew, To control cement strength variability, the main items to look at are;- 1. Sampling. 2. Testing....