Civil Engineering Reference
In-Depth Information
Figure 6.2: Small scale calcination plant with shaft kilns. Source: Ellis 1974
Calcined lime can be used directly to make lime sandstone (see Table 13.2) and
pozzolana cements. During the production of Portland cement calcining occurs
after the necessary extra constituents are added.
Lime has to be slaked so that it can be used, without introducing any additives,
for render, mortar and concrete. The slaking process starts by adding water to the
