Used in iron concentrate pellets, drilling mud, foundry sand binder, animal and vegetable oil decolorization, purifier, plastic filler, desiccant, adsorbent, etc.; GB2760-96: processing aid. Purifying agent; anticaking agent; suspending agent; emulsifier. Mainly used for clarification of wine; filter aid for suspended yeast in draft beer. It can effectively adsorb proteins, pigments and positively charged colloidal ions to produce aggregation. When in use, add 10 times the amount of water to make it fully swell, stir it into a slurry and add it to the juice to be processed, stir and disperse evenly, and filter after 0.5-1.0h. Bentonite can be used as a binder, adsorbent, filler, thixotropic agent, flocculant, detergent, stabilizer, thickener, etc., used as a carrier of fertilizers, fungicides and pesticides, fillers for rubber and plastics, synthetic resins and Anti-settling additives for inks, thixotropy and thickening of pigments and pure paste coatings, additives for daily chemicals, sorbents and adhesives for medicines, etc., and are also widely used in petroleum, metallurgy, casting, machinery, ceramics, and construction , Light industry, papermaking, textile and food sectors. In biochemical research, it is used as emulsifier and adsorbent of protein and particles, and oil emulsifier. Decolorizing agent.