Study on the Preparation of Battery Grade Iron Phosphate from Titanium Dioxide By-product
This paper is based on the market layout of lithium iron phosphate and iron phosphate,based on titanium chemical industry,using titanium white by-products to prepare battery-grade iron phosphate production process.There are impurities in the by-products of titanium dioxide,so ferrous purification is carried out first,and then the synthesis of iron phosphate is carried out.Based on ammonium method,the advantages and disadvantages of one-step method and two-step method were summarized by comparing the production process,raw material cost,sewage treatment cost and product technical index.
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