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СУЛЬФАТ НАТРИЯ ПРИ ПРОИЗВОДСТВЕ АЛЮМИНИЯ: ПРОБЛЕМЫ И ПЕРСПЕКТИВЫ

СУЛЬФАТ НАТРИЯ ПРИ ПРОИЗВОДСТВЕ АЛЮМИНИЯ: ПРОБЛЕМЫ И ПЕРСПЕКТИВЫ

Abstract

A series of theoretical and technological researches by the distribution balance of sulfur compounds during the production of aluminum and by solubilities in the system Na2SO4 NaHCO3 Na2CO3 NaF (0,5%) H2O is performed. It is shown that the deposition of sodium sulfate on sludge fields is economically and environmentally unpractical. The best way to remove sodium sulfate from gas purification spent liquors is its crystallization on plants with the use of natural and artificial cold. The environmental and economic efficiency of construction of plants for sodium sulfate withdrawal is justified.

Выполнен ряд теоретических и технологических исследований по балансу распределения соединений серы в процессе производства алюминия и по растворимостям в системе Na2SO4 NaHCO3 Na2CO3 NaF (0,5%) H2O. Показано, что осаждение сульфата натрия на шламовых полях экономически и экологически нецелесообразно. Наиболее оптимальным способом удаления сульфата натрия из оборотных растворов газоочистки является его кристаллизация на установках с использованием естественного и искусственного холода. Обоснована экологическая и экономическая эффективность строительства установок вывода сульфата натрия.

Keywords

СУЛЬФАТ НАТРИЯ, МИРАБИЛИТ, СОДОБИКАРБОНАТНАЯ ГАЗООЧИСТКА, ЭЛЕКТРОЛИЗ АЛЮМИНИЯ

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    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    0
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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Found an issue? Give us feedback
selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold