Bleaching earth is also called fuller’s earth. It is a kind of clay and mineral-rich substance that is known for its absorbing, filtering, and bleaching properties. It is used in a myriad of industrial applications.
Bentonite, attapulgite, and montmorillonite clays are found in bleaching earth and they could be present individually or in combination. Also, this clay commonly comprises calcium, magnesium, and iron. With a close resemblance to the soil, the bleaching earth’s color varies from buff to yellow or even pure white. It offers a greasy feel and is absorbent.
Applications and properties