Diatomaceous Earth ndi mtundu wa mwala wa biogenic siliceous sedimentary, wopangidwa makamaka ndi mabwinja akale a diatom.Mankhwala ake makamaka SiO2, omwe ali ndi zochepa za Al2O3, Fe2O3, CaO, MgO, K2O, Na2O, P2O5 ndi organic matter.Kugwiritsa ntchito kwakukulu kwa diatomite ndi zothandizira zosefera, zodzaza, zotsatsa ...
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