11.25 Clay Processing - US EPA

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purifying properties. Fuller’s earth, which is very similar to bentonite, is used mainly as absorbents of pet waste, oil, and grease. Common clay is defined as a plastic clay or claylike material with a vit-rification point below 1100°C (2000°F). Shale is a laminated sedimentary rock that is formed by the consolidation of clay, mud, or silt.

  Properties, Clay, Shale