For the earthy palygorskite activated by over 0℃ heating, its crystal structure would be obviously damaged and its decolorized rate would be obviously decreased by the FeO derived from decomposition and oxidation of the earthy palygorskite.
For the earthy palygorskite activated by over 0℃ heating, its crystal structure would be obviously damaged and its decolorized rate would be obviously decreased by the FeO derived from decomposition and oxidation of the earthy palygorskite.
在 0℃及以上温度焙烧活化会使坡缕石晶体结构产生明显破坏,分解氧化形成的FeO 使其脱色率明显下降。