Over the 70 years of operation, Almalyk Mining and Metallurgical Combine (AGMK) has accumulated 155 million tons of waste ore and 1,350 million tons of flotation tailings of a copper-processing plant in the territory of the Almalyk region, which occupy huge areas and pose an environmental hazard. The objects of research at the Almalyk ore field were: A-4 blade (oxidized ore), A-7 (sulfide ore), 9a (oxidized ore), and open-pit ore of Kalmakyr deposit. The paper presents the microflora of all the studied dumps, from which the most active acidophilic associations of iron-sulfur-oxidizing bacteria were selected. Laboratory studies have been carried out on the heap bioleaching of dumped oxidized and sulphide ores, which showed that from oxidized ores of the A-4 heap, the through leaching of copper in 100 days reaches 84.1%, and from the A-7 heap of sulfide ores - 79.6%, which testifies to the suitability of biotechnology for the processing of dump ores AGMK
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Sagdieva, M.G.; Khidirov, Sh. T.; Mavzhudova, A.M.; and Omonov, R.Ch.
"DETERMINATION OF THE SUITABILITY OF BALANCE ORES "ALMALYK MMC" JSC TO PROCESSING BY METHOD BIODINSTELLATION,"
Gorniy vestnik Uzbekistana: Vol. 2019
, Article 5.
Available at: https://uzjournals.edu.uz/gorvest/vol2019/iss3/5