Some of the possible variables in ashing were considered in determining the effects pf (A) depth of layer of coal and (B) SO2 passing over ashes and different rates of heating.
Reference:
Savage, W., Kunstmann, F. & Harris, J. 1968. Variation of ash and SO3 in ash with conditions of ashing. http://hdl.handle.net/10204/12821 .
Savage, W., Kunstmann, F., & Harris, J. (1968). Variation of ash and SO3 in ash with conditions of ashing Retrieved from http://hdl.handle.net/10204/12821
Savage, WHD, FH Kunstmann, and JF Harris Variation of ash and SO3 in ash with conditions of ashing. 1968. http://hdl.handle.net/10204/12821
Savage W, Kunstmann F, Harris J. Variation of ash and SO3 in ash with conditions of ashing. 1968 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/12821