... m3/year2. Drying methods: using boiler and autoclave3. Raw material: Fly ash(or Sand), cement, lime, gypsum, aluminum powder paste. The autoclaved ... technologies can be adopted to produce aerated concrete block. Generally, fly ash or silica sand is grinded into slurry with water, and ... The raw materials such as lime, cement, gypsum, sand(or fly ash), etc are stored in silo(tank) for use after treatment ...