BIOHEAP LEACH

This invention relates an inoculated sulphide concentrate comprising a pyrite-containing sulphide particulate composition, wherein the particle surfaces of the sulphide composition are coated with a microbial mix. The invention also relates to method of bioheap leaching of a sulphide ore in which th...

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Bibliographic Details
Main Authors VARTY, Ryan Neil, FILMER, Anthony Owen, BILEY, Christopher Alan
Format Patent
LanguageEnglish
French
Published 04.07.2024
Subjects
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:This invention relates an inoculated sulphide concentrate comprising a pyrite-containing sulphide particulate composition, wherein the particle surfaces of the sulphide composition are coated with a microbial mix. The invention also relates to method of bioheap leaching of a sulphide ore in which the acidity and temperature of the heap are enhanced. The concentrate 14 is blended through a particulate ore to be leached 16; and the blended ore 18 is stacked in a heap 20 which is leached with an irrigation liquid to recover the contained values in the concentrate and the ore. Cette invention concerne un concentré de sulfure inoculé comprenant une composition particulaire de sulfure contenant de la pyrite, les surfaces de particule de la composition de sulfure étant revêtues d'un mélange microbien. L'invention concerne également un procédé de lixiviation en biotas d'un minerai sulfuré dans lequel l'acidité et la température du tas sont améliorées. Le concentré 14 est mélangé dans un minerai particulaire à lixivier 16; et le minerai mélangé 18 est empilé dans un tas 20 qui est lixivié à l'aide d'un liquide d'irrigation pour récupérer les valeurs contenues dans le concentré et le minerai
Bibliography:Application Number: WO2023IB63364