沉钒后APV损失原因及对策
REASONS AND COUNTER MEASURES FOR APV LOSS AFTER VANADIUM PRECIPITATION
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摘要: 针对攀钢V2O5车间沉淀工段生产中钒损失大的问题,研究了多钒酸铵(APV)在不同溶剂中的溶解性,改进了生产工艺,从根本上解决了APV的返溶损失,提高了沉淀工段钒收率。Abstract: The solubility of ammonium polyvanadate (APV) in various solvents is investigated according as the large loss of vanadium under the production of it in precipitation section at vanadium pentoxide shop.Resolution loss of APV issolved once and for all and vanadium recovery in precipitation section is increase with the improved technology.
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Key words:
- upper layer liquid cycle /
- washing /
- APV grain
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