铝型材加工污泥焙烧脱硫工艺的研究
胡振斌,唐维学,潘湛昌,吴建,麦汝锋

Roasting desulfurization process of sludge from aluminum profile processing
Zhenbin Hu,Weixue Tang,Zhanchang Pan,Jian Wu,Rufeng Mai
表2 脱硫过程发生的反应
Table 2 Reactions in desulfurization process
序号反应式自发反应温度
R12CaSO4+C=2CaO+2SO2+CO2＞820 ℃
R2CaSO4+C=CaO+SO2+CO＞796 ℃
R3CaSO4+2C=CaS+2CO2＞206 ℃
R42CaSO4+5C=2CaS+2CO+3CO2＞297 ℃
R52CaSO4=2CaO+2SO2+O2＞1 608 ℃
R6CaS+3CaSO4=4CaO+4SO2＞1 218 ℃
R72CaS+3O2=2CaO+2SO2自发
R8CaS+2O2=CaSO4自发