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Information × Registration Number 0210U006929, 0110U003293 , R & D reports Title Silicon dioxide of high purity from the waste of man-made origin popup.stage_title Head Kashkovsky V., Registration Date 24-12-2010 Organization Institute of Bioorganic Chemistry and Petrochemistry of National Academy of Sciences of Ukraine popup.description2 A method for producing high-purity silica (99.125 - 99.996%) of siliceous waste of technogenic origin, comprising the steps of: mixing the feedstock and the fluorinating agent, heating the mixture; sublimation education (NH4)2SiF6; its hydrolysis in an alkaline environment, filtering and drying of silicon dioxide, regenerating the original fluorinating agent and the ammonia solution. Product Description popup.authors В. Зайченко В. Кисельов С. Мельникова Ю. Безуглий Ю. Кисельов popup.nrat_date 2020-04-02 Close