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Minerals & Metallurgical Processing Journal  

Chemically enhanced magnetic separation technologies for kaolin processing

Minerals & Metallurgical Processing, 2012, Vol. 29, No. 1, pp. 20-26

Raitani, R.; Jiang, S.; Bhatnagar, A.; Ravishankar, S. A.


Five kaolin crudes from the state of Georgia in the U.S. were investigated for processability with chemically enhanced magnetic separation (CEMS) technologies developed by Cytec. The technologies used magnetic reagent alone or in conjunction with specialty chemicals to selectively agglomerate and magnetize the desired minerals (impurities) to be removed by the conventional magnetic separation equipment. All crudes indicated treatability using CEMS. Results indicated that CEMS technology could be applied to different kaolin crudes to obtain a product with titanium impurities less than 0.6% TiO2 from individual crudes. The features and benefits of the technologies were also reviewed. 

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