Состав хвостов при избирательном восстановлении латерита

В результате избирательного восстановления образуются концентраты и пустая порода (хвосты). В хвостах содержится высокий процент железа и других элементов, которые не извлекаются в процессе селективного восстановления. Свойства хвостов после избирательного восстановления исследовались методами рентгеноструктурного анализа, оптико-эмиссионной спектрометрии с индуктивно связанной плазмой, оптической, УФ- и сканирующей электронной микроскопии, а также энергодисперсионного микроанализа на растровом электронном микроскопе. Экспериментально установлено, что хвосты содержат сульфиды железа, соединения железа с алюминием и магнием, а также диоксид кремния. На основании полученных данных в дальнейшем возможна разработка технологий кислотного и щелочного экстрагирования минералов с целью получения чистого оксида железа, применяемого в качестве металлического топлива.

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