... ceramic honeycomb heat recovery bed, heat exchange bed, thermal storage & recovery ceramic media, heat exchange elements / media. Ceramic monoliths ... kinds of heater, sirocco furnace, heat treatment furnace, cracking column, roaster, melting furnace, balance heating stove and etc. ... 40-70% of energy. . The material for heat exchange media honeycomb ceramic can be cordierite, mullite ceramic, alumina, ...