What is diatomaceous earth?
The cell wall is made of silica. Due to the siliceous nature of the cell wall, it is known as diatomaceous earth. This diatomaceous earth is a whitish, soft, chemically inert, highly absorbant and fire proof substance. It is used in filtration of oils, sugars, and for other industrial purposes.
It is accumulation of silica walls of dead diatoms . It is used for polishing and filteration of syrups