Investigation of the lignite physical-chemical properties and of the burning process thereof for germanium extraction

Автор: Shimanskii Aleksandr F., Kravtsova Elena D., Kazantsev Yakov V.

Журнал: Журнал Сибирского федерального университета. Серия: Техника и технологии @technologies-sfu

Статья в выпуске: 4 т.11, 2018 года.

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The Low Priangarye lignite (new Ge-containing raw material) physical-chemical and technological properties were studied. It was shown, that the effective way of Ge extraction from the lignites with low ash-content would be the burning process in controlled temperature regime resulting in Ge conversion to its mono-oxide with following full oxidation to GeO2 and collecting it into filters. Technological regimes of the liginte high-temperature processing are validated by thermodynamic calculations of the interaction process between Ge and components from lignites and redox environment.

Germanium, raw materials, lignite, extraction rate

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IDR: 146279376   |   DOI: 10.17516/1999494X-0070

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