TY - JOUR
T1 - Mutual separation of indium, gallium, and zinc with the amic acid-type extractant D2EHAG containing glycine and amide moieties
AU - Baba, Yuzo
AU - Kubota, Fukiko
AU - Kamiya, Noriho
AU - Goto, Masahiro
N1 - Funding Information:
This work was supported by The Environment Research and Technology Development Fund (ERTDF; Grant Number: 3K143014) from the Ministry of Environment, Japan. The authors thank Sumitomo Metal Mining Co., Ltd. for the financial support of this research. Y. Baba was supported by Research Fellowships of the Japan Society for the Promotion of Science (JSPS) for Young Scientists (Grant Number: 12J05560).
PY - 2016
Y1 - 2016
N2 - Solvent extraction of indium (In3+), gallium (Ga3+), and zinc (Zn2+) was investigated using N-[N,N-di(2-ethylhexyl)aminocarbonylmethyl]glycine (D2EHAG) and N-[N,N-di(2-ethylhexyl)aminocarbonylmethyl]-sarcosine (D2EHAS) which we have developed recently. Indium and gallium were selectively extracted from zinc under high acid conditions (0 > pH ≥ 2.0), and easily stripped using an acidic solution such as 2 mol dm-3 HNO3. The extraction behavior was compared to that of N,N-dioctyldiglycol amic acid (DODGAA), which has a similar molecular structure to D2EHAG, a commercial alkyl monocarboxylic acid extractant, neodecanoic acid (Versatic 10), or an organophosphorus extractant, di(2-ethylhexyl) phosphoric acid (D2EHPA). Based on the results, D2EHAG and D2EHAS were found to be useful for the separation of In3+ and Ga3+ from Zn2+. The extraction mechanisms of these ions with D2EHAG were investigated through slope analysis and loading tests.
AB - Solvent extraction of indium (In3+), gallium (Ga3+), and zinc (Zn2+) was investigated using N-[N,N-di(2-ethylhexyl)aminocarbonylmethyl]glycine (D2EHAG) and N-[N,N-di(2-ethylhexyl)aminocarbonylmethyl]-sarcosine (D2EHAS) which we have developed recently. Indium and gallium were selectively extracted from zinc under high acid conditions (0 > pH ≥ 2.0), and easily stripped using an acidic solution such as 2 mol dm-3 HNO3. The extraction behavior was compared to that of N,N-dioctyldiglycol amic acid (DODGAA), which has a similar molecular structure to D2EHAG, a commercial alkyl monocarboxylic acid extractant, neodecanoic acid (Versatic 10), or an organophosphorus extractant, di(2-ethylhexyl) phosphoric acid (D2EHPA). Based on the results, D2EHAG and D2EHAS were found to be useful for the separation of In3+ and Ga3+ from Zn2+. The extraction mechanisms of these ions with D2EHAG were investigated through slope analysis and loading tests.
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U2 - 10.15261/serdj.23.9
DO - 10.15261/serdj.23.9
M3 - Article
AN - SCOPUS:84977137805
VL - 23
SP - 9
EP - 18
JO - Solvent Extraction Research and Development
JF - Solvent Extraction Research and Development
SN - 1341-7215
IS - 1
ER -