| 摘要 |
PROBLEM TO BE SOLVED: To produce a porous ceramic material from drinking water sludge having high content of lime, which is hardly reutilized as resources. SOLUTION: The production process of this porous ceramic material comprises: adding a material containing Al2O3 and SiO2 to drinking water sludge having a >=10 wt.% lime content to obtain a mixture; and firing the mixture to produce the objective porous ceramic material and to answer the above purpose. |
