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Exploring relations...
Exploring relationships between various activations of granular activated carbon on silver and gold adsorption : A kinetic and equilibrium study
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- Seyedhakimi, A. (författare)
- Department of Research & Development, Faravari Pouya Zarcan Agh-Darreh Company, Tehran, Iran
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- Bastami, S.A (författare)
- Department of Research & Development, Faravari Pouya Zarcan Agh-Darreh Company, Tehran, Iran
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- Ghassa, S. (författare)
- School of Mining, College of Engineering, University of Tehran, Tehran, Iran
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- Razavi, H. (författare)
- Department of mineral processing engineering, Faculty of mining engineering, University of Amirkabir, Tehran, Iran
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- Chelgani, Saeed Chehreh (författare)
- Luleå tekniska universitet,Mineralteknik och metallurgi
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(creator_code:org_t)
- 2018-10-29
- 2019
- Engelska.
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Ingår i: Separation science and technology (Print). - : Taylor & Francis. - 0149-6395 .- 1520-5754. ; 54:11, s. 1710-1721
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This investigation examined various kinetic and equilibrium models for gold (Au) and silver (Ag) adsorption from cyanide leach solution, onto surface of granular activated carbon (GAC) with 10, 35, 70 and 100% activities. Results indicated that the initial rate for Au and Ag adsorption is similar and increases by increasing the GAC activities. Outcomes showed that the adsorption for low activity GAC is proportional to the number of adsorption sites while the rate-limiting can be chemisorption for GAC with high activity. Thus, even low amount of contaminations on the fresh GAC can significantly decrease the capacity of precious metals adsorption.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Nyckelord
- Activated carbon
- activation
- equilibrium
- kinetic
- precious metals
- Mineralteknik
- Mineral Processing
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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