Results 121 to 130 of about 5,009 (173)
, 2008 Crystalline FeOOH and Zn(II) doped FeOOH samples were prepared by a co-precipitation method using ferrous sulphate heptahydrate, Zinc sulphate heptahydrate, ammonia, 3% hydrogen peroxide at 80 degrees C and pH value 3.0.
Yang, Cai-Qin +4 more
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Hydrometallurgy, 2004 Bio-oxidation of ferrous ion by immobilized Acidithiobacillus ferrooxidans is potentially useful in the new technology of two-step bioleaching. The kinetics of continuous oxidation of ferrous ion by PVA-cryogel-immobilized A.
Wei, C +4 more
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, 1986 Metal üretiminde kısmen düşük sıcaklıklarda etkin olan hidrometalurjik yöntemx 1er yüksek sıcaklık gerektiren pirometalurjik yöntemlere üstünlük kazanmaktadır.
HABASHİ, Fathi, CANBAZOĞLU, Mehmet
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, 2022 Hydrometallurgy: Theory provides the necessary fundamental background to the multidisciplinary field of hydrometallurgy, presenting the tools needed to utilize the theory to quantitatively describe, model and control the unit operations used in ...
Nicol, M.J.
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Hydrometallurgy, 2001 The ferrous ion oxidation ability of Cu2+-adapted Thiobacillus ferrooxidans strains affected by different concentrations of Ni2+ and Mg2+ in a Leathen medium was investigated. Cu2+-adapted strains have been developed through serial repeated subculturing.
Ke, JJ, Li, HM
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International Materials Reviews, 1971
The development, introduction, and gradual acceptance by the extractive metallurgy industry of modern hydrometallurgical techniques have very greatly increased the number of routes available for the recovery of base metals from their ores. Indeed, the chelating extractants which will selectively remove metals from leach liquors or mine waters at the ...
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The development, introduction, and gradual acceptance by the extractive metallurgy industry of modern hydrometallurgical techniques have very greatly increased the number of routes available for the recovery of base metals from their ores. Indeed, the chelating extractants which will selectively remove metals from leach liquors or mine waters at the ...
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2018
At Argo, Colorado and enriched roasted matte was first leached with water extracting as much silver as possible. The residue was then smelted and the matte thus obtained given an oxidizing roast forming copper bottoms later treated for gold and argentiferous copper matte which was treated by the Ziervogel Process.
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At Argo, Colorado and enriched roasted matte was first leached with water extracting as much silver as possible. The residue was then smelted and the matte thus obtained given an oxidizing roast forming copper bottoms later treated for gold and argentiferous copper matte which was treated by the Ziervogel Process.
openaire +1 more source