The ash studied in this paper is produced by a circulating fluidized bed (CFB) boiler. Its mainly element ingredients are CaSO4, (Al2 Ca)Si2O8, CaO, C etc.

• 循环流化床脱硫灰渣是循环流化床锅炉燃烧煤并进行炉内脱硫产生的废渣，其主要成分有CaSO_4、(Al_2·Ca)Si_2O_8、无定形SiO_2、CaO、C等。