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HUANG Li, QIU Xiao-ying, JIAN Qi-fa, LIU Nan-chang. Study on Technology of Decreasing Cl- Content in Producing La2O3 by Using NH4HCO3 Subsidence Method[J]. Nonferrous Metals Science and Engineering, 2006, 20(1): 37-40.
Citation: HUANG Li, QIU Xiao-ying, JIAN Qi-fa, LIU Nan-chang. Study on Technology of Decreasing Cl- Content in Producing La2O3 by Using NH4HCO3 Subsidence Method[J]. Nonferrous Metals Science and Engineering, 2006, 20(1): 37-40.
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Study on Technology of Decreasing Cl- Content in Producing La2O3 by Using NH4HCO3 Subsidence Method

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  • In order to decreasing Cl- content in producing La2O3 by using NH4HCO3 subsidence method,by improving subsidency technology under the circumstances of not changing system,and selecting multiple washing liquid and screening,the problem of high Cl- content can be resolved.This method can be used to recover La2O3 turnace slay produced in La thermal reduction.
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