Diatomaceous earth or diatomite, a clay mineral and characteristic of pore structure, is used extensively as filter and/or filter aid for the removal of all impurities in the industrial processes.

• 矽藻土为一种矿物性黏土，为多孔洞特性结构，被广泛使用于工业制程之过滤程序，作为去除杂质的吸附剂。