Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Jarno Mäkinen"'
Publikováno v:
Cleaner Engineering and Technology, Vol 8, Iss , Pp 100499- (2022)
There are various existing practices and future potential for turning mining waste into valuable products. The inventory of the tailings in the metal mines in Finland showed that considerable concentrations of many critical metals are contained in th
Externí odkaz:
https://doaj.org/article/98956987018841b8a202062eb140ee6b
Autor:
Jarno Mäkinen, Grzegorz Pietek, Ville Miettinen, Mohammad Khoshkhoo, Jan-Eric Sundkvist, Päivi Kinnunen
Publikováno v:
Minerals, Vol 12, Iss 12, p 1610 (2022)
Tailings are a residual material stream produced in the mineral processing of ores. They may contain a major sulphide content that increases the risk of acid rock drainage (ARD) but may also host valuable metals. Tank bioleaching is a technically via
Externí odkaz:
https://doaj.org/article/212c410b982d46d4a6a8ddc858bc1660
Publikováno v:
Geofluids, Vol 2019 (2019)
Microbial communities of iron-rich water in the Pyhäsalmi mine, Finland, were investigated with high-throughput amplicon sequencing and qPCR targeting bacteria, archaea, and fungi. In addition, the abundance of Leptospirillum and Acidithiobacillus w
Externí odkaz:
https://doaj.org/article/196578bcd05d42c2b2755ff231b3887c
The Effects of Milling and pH on Co, Ni, Zn and Cu Bioleaching from Polymetallic Sulfide Concentrate
Publikováno v:
Minerals, Vol 11, Iss 3, p 317 (2021)
Acid bioleaching of a low-grade and polymetallic sulfide concentrate was studied, in order to determine suitable feed material particle size and pH for efficient leaching of valuable metals. The sulfide concentrate consisted of pyrite (50 wt %), pyrr
Externí odkaz:
https://doaj.org/article/55469e575ba74bc7a07aa773baa553ee
Publikováno v:
Minerals, Vol 10, Iss 8, p 654 (2020)
Copper slags produced in vast quantities in smelting operations could be considered as secondary material sources instead of stockpiling them in landfills. This study investigates the recovery of valuable metals from copper slag and the valorisation
Externí odkaz:
https://doaj.org/article/531d5ac2942047ffa0f629194e4279f4
Publikováno v:
Minerals, Vol 9, Iss 7, p 404 (2019)
Iron control in the atmospheric acid leaching (AL) of nickel laterite was evaluated in this study. The aim was to decrease acid consumption and iron dissolution by iron precipitation during nickel leaching. The combined acid leaching and iron precipi
Externí odkaz:
https://doaj.org/article/3e70694fc22e40b2864485376b8d06a4
Publikováno v:
Minerals, Vol 9, Iss 6, p 331 (2019)
Phosphorus and uranium are both vital elements for society. In recent decades, fears have arisen about the future availability of low-cost phosphorus and uranium. This has resulted in pressure to de-centralize production of both elements by utilizing
Externí odkaz:
https://doaj.org/article/0cd1da6cde5542afae890f945e5e75dd
Publikováno v:
Minerals, Vol 9, Iss 5, p 290 (2019)
Municipal solid waste incineration bottom ash (MSWI BA) is the main output of the municipal solid waste incineration process, both in mass and volume. It contains some heavy metals that possess market value, but may also limit the utilization of the
Externí odkaz:
https://doaj.org/article/2d0d08dfff6045ad832fd431bf3d65e6
Publikováno v:
Microorganisms, Vol 5, Iss 3, p 61 (2017)
Sulfate-rich mine water must be treated before it is released into natural water bodies. We tested ethanol as substrate in bioreactors designed for biological sulfate removal from mine water containing up to 9 g L−1 sulfate, using granular sludge f
Externí odkaz:
https://doaj.org/article/66a5a9d0dc064de7bdc3975831733424
Autor:
Kinnunen, Jarno Mäkinen, Grzegorz Pietek, Ville Miettinen, Mohammad Khoshkhoo, Jan-Eric Sundkvist, Päivi
Publikováno v:
Minerals; Volume 12; Issue 12; Pages: 1610
Tailings are a residual material stream produced in the mineral processing of ores. They may contain a major sulphide content that increases the risk of acid rock drainage (ARD) but may also host valuable metals. Tank bioleaching is a technically via
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::c01820727f19153adaef59465d1411a7