Zobrazeno 1 - 10
of 341
pro vyhledávání: '"Cyanide leaching"'
Autor:
Dadan Mohamad Nurjaman, Harmin Sulistiyaning Titah, Adji Kawigraha, Ipung Fitri Purwanti, Wahyu Hidayat
Publikováno v:
Journal of Degraded and Mining Lands Management, Vol 11, Iss 3, Pp 5635-5646 (2024)
The artisanal and small-scale gold mining (ASGM) sector largely relies on mercury in gold processing, posing potential environmental contamination, health issues, and land degradation. In the villages of Tatelu and Talawaan, ASGM operations, guided b
Externí odkaz:
https://doaj.org/article/51b9564e668d4827ae22c6b1da1be483
Publikováno v:
Kuangchan zonghe liyong, Vol 44, Iss 2, Pp 63-69 (2023)
Gold content of a low-grade gold ore in Guangxi is 1.29 g/t, the gangue minerals are mainly quartz, and the content of non-ferrous metals such as copper, lead, zinc and other harmful elements arsenic is extremely low. The cyanide gold leaching test w
Externí odkaz:
https://doaj.org/article/0595576f05f644efb844b512e8dce632
Autor:
Bagdaulet Kenzhaliyev, Tatiana Surkova, Aigul Koizhanova, Dinara Yessimova, Leila Amanzholova, Zamzagul Dosymbayeva
Publikováno v:
Inorganics, Vol 11, Iss 12, p 461 (2023)
The article discusses the interaction in amino acid–gold cyanide systems using amino acids of different structures. The formation of complex compounds of gold cyanide with amino acids with the participation of carboxyl and amino groups is shown. A
Externí odkaz:
https://doaj.org/article/b977df931bc94387bfb031984122825d
Publikováno v:
Results in Chemistry, Vol 5, Iss , Pp 100829- (2023)
The main objectives of this article were to firstly decrease the amount of sulfide in the (Volcanic Massive Sulfide –VMS) in the eastern Sudan (Ariab) area through a roasting pretreatment, secondly determine the best and optimum (thiosulfate concen
Externí odkaz:
https://doaj.org/article/b04b22ab48fa4340bfa5c2b1944d796a
Autor:
Ke-bo PENG, Li-kun GAO, Bing RAO, Zhi-hui GONG, Hai-rong SHEN, Guang-yan GAO, Fei HE, Ming ZHANG
Publikováno v:
工程科学学报, Vol 43, Iss 7, Pp 871-882 (2021)
With the exhaustion of easy-to-treat gold ore resources, gold ores containing arsenic, carbon, high sulfur, and ultrafine particles have become the focus of gold mining. These difficult-to-treat gold ores have poor leaching effects through convention
Externí odkaz:
https://doaj.org/article/588b364f92fa4734b4916cc77191a194
Publikováno v:
Journal of Mining and Metallurgy. Section B: Metallurgy, Vol 57, Iss 2, Pp 235-243 (2021)
Pyrite concentrates with refractory gold and silver were roasted at different temperatures to improve the recovery of the metals by cyanide leaching. Scanning Electron Microscope characterization of the calcine revealed that the gold occluded in the
Externí odkaz:
https://doaj.org/article/36f83e25682348b4aec50046d0fef329
Akademický článek
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Akademický článek
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Publikováno v:
工程科学学报, Vol 41, Iss 3, Pp 307-315 (2019)
With the increasing demand for gold and the decreasing of easily treated gold resources, refractory gold ores, which are characterized by low gold recovery and high cyanide consumptions when subjected to direct cyanide leaching, have gradually become
Externí odkaz:
https://doaj.org/article/997c27503cb84329b2609a37defe3f5d
Akademický článek
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