Defatted bone after bone toner is 1,300 degrees Celsius by the heat obtained by calcining the white crystals or powder, which is mainly used for industrial production of high-grade ceramic bone china, colored glass can also be used for milk, pigment stabilizers, grinding luminescence agent, syrup clarification agent. A toner is a bone charcoal bone level after processing to a 120 fineness used in the ceramic industry and metallurgy stripping and sewage purification 
 Can be used as basic fertilizer, feed additives. 

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