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Преобразование рудного золота при выщелачивании

Преобразование рудного золота при выщелачивании

Abstract

Исследования техногенных осадков проведены на ЗАО «Южуралзолото». Исследованы складированные отвалы и осадки шламохранилища после разработки рудного золота. В отвалах и осадках установлены процессы разложения неустойчивых сульфидов и переход золотоносных фаз из твердого в жидкое состояние в слабоциановом растворе. Источником золота в составе шламов являются неразложившиеся при чановом выщелачивании золотосодержащие сульфиды, свободное мелкое золото и золото в сростках, покрытое техногенными пленками, образовавшимися на поверхности частиц более крупного золота. Добыча золота из техногенных отвалов шламохранилищ может быть увеличена путем выведения золота из насыщенных растворов, усиления процессов разложения сульфидов, проектирования новых шламохранилищ. Минералого-технологическое картирование отвалов приведет к выделению отдельных блоков отвалов с различными технологическими характеристиками руд. Аналогичные процессы характерны для техногенных отвалов россыпей. Атомно-адсорбционным анализом в глинистой фракции россыпей установлены повышенные концентрации золота − от 0,5 до 1,0 г/т. Золото из глинистой фракции может быть извлечено выщелачиванием.

Studies conducted on the man-made rain JSC "Uzhuralzoloto". Investigated stockpiled tailings slurry pits and precipitation after the development of gold ore. In the dumps and sediments established processes of decomposition of unstable sulphides and gold-bearing phase transition from the solid to the liquid state in slabotsianovom solution. The source of the gold in the slime are undecomposed in vat leaching gold bearing sulfides free fine gold and gold intergrowths covered technological film formed on the surface of larger particles of gold. Gold extraction from industrial waste dumps slime storage can be increased by removing gold from saturated solutions, enhancing the processes of decomposition of sulphides, the design of new sludge depositories. Mineralogical and technological mapping dumps will select individual blocks dumps with different technological characteristics of ores. Similar processes are characteristic of the man-made piles of placers. Atomic absorption analysis in alluvial clay fraction set higher gold concentrations from 0.5 to 1.0 g/t. Gold of clay fractions may be recovered by leaching.

Keywords

РАЗЛОЖЕНИЕ СУЛЬФИДОВ., ВЫЩЕЛАЧИВАНИЕ ЗОЛОТА, ШЛАМОХРАНИЛИЩА, THE DECOMPOSITION OF SULPHIDES.

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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