The relation between lime content as a briquetting additive and the desulphurization percentage of honeycomb briquettes was studied by experiments on the combustion process of the briquettes.
Zhang, Q., & Zhang, B. (1991). Study of the interrelation between lime and the desulphurization of honeycomb briquettes. Fuel. https://doi.org/10.1016/0016-2361(91)90184-C