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- W2350180478 abstract "A novel process was investigated for extracting rare earth from bastnasite concentrate by chlorination roasting. The effects of defluorinating agent, reaction temperature, NH_4Cl dose and reacting time on the extractive yield of rare earth were studied and the optimum conditions were established based on the experiment results. The process can eliminate most fluorine by baking the ore at 500 ℃ with deflusrinating agent equal to 30 wt% of ore. and further roasting it for 1.5 h at 480 ℃ with NH_4Cl equal to 2 times of ore weight. RE recovery can reach more than 80% and the content of Fe, Al, Si in the RE Leaching Solution is very low." @default.
- W2350180478 created "2016-06-24" @default.
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- W2350180478 date "2000-01-01" @default.
- W2350180478 modified "2023-09-26" @default.
- W2350180478 title "Extraction of Rare Earths From Bastnasite Concentrate by Chlorination Roasting" @default.
- W2350180478 hasPublicationYear "2000" @default.
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