Zobrazeno 1 - 10
of 138
pro vyhledávání: '"Gérard, Cote"'
Publikováno v:
Separation & Purification Reviews. 52:221-241
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed29743c13e629bd1698c2c6b1e2602e
https://doi.org/10.1080/15422119.2022.2088389
https://doi.org/10.1080/15422119.2022.2088389
Publikováno v:
The Minerals, Metals & Materials Series ISBN: 9783031227608
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b44194ff03a4bd9f1f53e5abfa30355c
https://doi.org/10.1007/978-3-031-22761-5_13
https://doi.org/10.1007/978-3-031-22761-5_13
Autor:
Alexandre Chagnes, Gérard Cote
Publikováno v:
Metals, Vol 8, Iss 1, p 57 (2018)
The chemical degradation of an extraction solvent composed of a mixture of tri-n-octylamine (extractant) and 1-tridecanol (phase modifier) in n-dodecane in contact with an acidic aqueous sulfate solution containing chromium(VI) has been investigated.
Externí odkaz:
https://doaj.org/article/e6eea10a26b74635ab7d5375308e969f
Autor:
Lucas, Mangold, Hubert, Halleux, Sébastien, Leclerc, Aurélien, Moncomble, Gérard, Cote, Alexandre, Chagnes
Publikováno v:
RSC advances. 11(43)
Titanium chemistry in aqueous acidic media has been extensively investigated over the last decades. Hydrolyzed species such as Ti(OH)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::0c02e0c9592f03c1ed88495f3cdfc7ae
https://pubmed.ncbi.nlm.nih.gov/35480018
https://pubmed.ncbi.nlm.nih.gov/35480018
Publikováno v:
Separation and Purification Technology
Separation and Purification Technology, Elsevier, 2019, 209, pp.338-342
Separation and Purification Technology, Elsevier, 2019, 209, pp.338-342
The single extraction of rhenium(VII) and uranium(VI) from nitric acid solution by dicyclohexano-18-crown-6 (DCH) solutions was investigated. The extraction of Re(VII), in the form of perrhenate (ReO4−) anion, was optimum for a nitric acid concentr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::880183bdbf8bea6905b7a36a944d324b
https://doi.org/10.1016/j.seppur.2018.07.034
https://doi.org/10.1016/j.seppur.2018.07.034
Publikováno v:
Industrial & Engineering Chemistry Research. 57:11572-11582
Segmented flows in T-junction glass microchannels are investigated as a tool for the study of liquid–liquid extraction kinetics of europium(III) by a malonamide. They allow to reach higher extracti...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06c2b5b2feaaf7f70a527c975a73d4c2
https://doi.org/10.1021/acs.iecr.8b02079
https://doi.org/10.1021/acs.iecr.8b02079
Publikováno v:
Hydrometallurgy. 171:344-354
A novel ionic liquid-in-water microemulsion (IL101/TX100/water) was developed for sustainable extraction and separation of precious metals (i.e., Au, Pd, and Pt) in acidic chloride media. Five-step protocol is composed of (i) mixing the feed solution
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::115bffa8f7414cf6620a4f8c978bdd58
https://doi.org/10.1016/j.hydromet.2017.06.003
https://doi.org/10.1016/j.hydromet.2017.06.003
Autor:
Alexandre Chagnes, Denis Beltrami, David Bengio, Sarah Bélair, Gérard Cote, Gauthier J.-P. Deblonde
Publikováno v:
Separation and Purification Technology
Separation and Purification Technology, Elsevier, 2019, 226, pp.209-217. ⟨10.1016/j.seppur.2019.05.087⟩
Separation and Purification Technology, 2019, 226, pp.209-217. ⟨10.1016/j.seppur.2019.05.087⟩
Separation and Purification Technology, Elsevier, 2019, 226, pp.209-217. ⟨10.1016/j.seppur.2019.05.087⟩
Separation and Purification Technology, 2019, 226, pp.209-217. ⟨10.1016/j.seppur.2019.05.087⟩
International audience; Oxalate-based aqueous media represent one of the rare options for solubilizing macroscopic amount of niobium (Nb) and tantalum (Ta) without using toxic fluoride-based mixtures. Recent progress in the hydrometallurgy of Nb and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac7faa369444d8c739609475c50f33f4
https://hal.univ-lorraine.fr/hal-02182964/document
https://hal.univ-lorraine.fr/hal-02182964/document
Autor:
Denis Beltrami, Gérard Cote, Sarah Bélair, Alexandre Chagnes, David Bengio, Gauthier J.-P. Deblonde
Publikováno v:
Separation and Purification Technology
Separation and Purification Technology, Elsevier, 2019, 215, pp.634-643. ⟨10.1016/j.seppur.2019.01.052⟩
Separation and Purification Technology, 2019, 215, pp.634-643. ⟨10.1016/j.seppur.2019.01.052⟩
Separation and Purification Technology, Elsevier, 2019, 215, pp.634-643. ⟨10.1016/j.seppur.2019.01.052⟩
Separation and Purification Technology, 2019, 215, pp.634-643. ⟨10.1016/j.seppur.2019.01.052⟩
The production of high purity niobium (Nb) or tantalum (Ta) compounds still relies on processes that require highly acidic conditions and concentrated HF or NH4F solutions. Recent progress in the chemistry of group V elements, along with the evolutio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bcc22851111dd39ce984fdfcd9fa66d4
https://hal.univ-lorraine.fr/hal-02182966/document
https://hal.univ-lorraine.fr/hal-02182966/document
Publikováno v:
Deblonde, GJP; Chagnes, A; Weigel, V; & Cote, G. (2016). Direct precipitation of niobium and tantalum from alkaline solutions using calcium-bearing reagents. Hydrometallurgy, 165, 345-350. doi: 10.1016/j.hydromet.2015.12.009. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/1118b990
The recovery of Nb(V) and Ta(V) from alkaline solutions was investigated using calcium-bearing reagents (CaCl2(aq), Ca(CH3COO)+(aq), Ca(NTA)−(aq), Ca(EDTA)2−(aq), CaCO3(s) and Ca(OH)2(s)) at 25°C. It was found that hexaniobate and hexatantalate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de17ee9dd69870d03ae838b7a5986752
https://doi.org/10.1016/j.hydromet.2015.12.009
https://doi.org/10.1016/j.hydromet.2015.12.009