1. Khan, W. Z. and Gibbs, B. M. 1990. “The SO2capture by limestone at staged combustion in a fluidized combustor”. 13th World Energy Engineering Congress. Oct.9–12th1990, Atlanta, Georgia, U. S. A. pp.473–478.
2. Kim, H. T. “Limestone calcination and sulphation microstructure, porosity and kinetics under AFBC environments”. 9th International Conference on Fluidized Bed Combustion. Vol. 1, pp.449–457.
3. Haji Sulaiman, M. Z. “Evaluation of properties of natural sorbents for fluidized bed combustion”. 9th International Conference on Fluidized Bed Combustion. Vol. 1, pp.481–186.
4. Pore structure and particle size effects on limestone capacity for SO2 removal