Oxygenenhanced combustion for optimised kiln .
Dolomitic lime is produced by the dry calcining of crushed dolomite in a rotary kiln. The single kiln at Thrislington, which dates from the late 1950s, is around in diameter and 70m long. From a feedstock of around 1,500 t/d of dolomite in the size range 20–70 mm, the kiln .