Study on Technology of Decreasing Cl- Content in Producing La2O3 by Using NH4HCO3 Subsidence Method

HUANG Li; QIU Xiao-ying; JIAN Qi-fa; LIU Nan-chang

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.

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.

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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Study on Technology of Decreasing Cl- Content in Producing La2O3 by Using NH4HCO3 Subsidence Method

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Study on Technology of Decreasing Cl^- Content in Producing La₂O₃ by Using NH₄HCO₃ Subsidence Method