Adsorption Behavior of Au(III) Complex Ion on Nickel Carbonate and Nickel Hydroxide

Ando, Hiroaki; Kawamoto, Daisuke; Ohashi, Hironori; Honma, Tetsuo; Ishida, Tamao; Okaue, Yoshihiro; Tokunaga, Makoto; Yokoyama, T.

doi:10.1016/j.colsurfa.2017.10.028

Cited by 7 publications

(11 citation statements)

References 22 publications

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“…936 )(CO 3 ), which had three major diffraction of peaks (29.5, 48.6, and 47.5 • ). For the Ni-contaminated seawater group, NiCO 3 was observed on the spectra, as shown in Figure 3, which was consistent with the results of EDS [21,22]. These results indicated that Ca 2+ and Mg 2+ were removed via biomineralization, and the co-precipitation of Ni 2+ was also achieved by A. aquatilis at the same time.…”

Section: Resultssupporting

confidence: 85%

One-Step Removal of Calcium, Magnesium, and Nickel in Desalination by Alcaligenes aquatilis via Biomineralization

Dong

Guo

et al. 2019

Crystals

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In desalination, a high level of calcium (Ca) and magnesium (Mg) ions in seawater can cause scale deposition on the reverse osmosis membranes and water treatment systems. This process can significantly affect the efficiency of desalination. In addition, heavy metals in seawater affect human health. Therefore, Alcaligenes aquatilis from seawater was used to remove Ca, Mg, and nickel (Ni) by microbial-induced carbonate precipitation (MICP). The purification system was then analyzed by ionic analysis and surface characterization. This study shows that the bacteria can utilize amino acids to produce carbonate and form precipitates with a high removal rate. MICP via A. aquatilis removed 91.8%, 68.5%, and 92.2% of the initial soluble Ca, Mg, and Ni, respectively. Furthermore, A. aquatilis can remove ammonium after the MICP process under oxygen-rich conditions. Therefore, we provide interesting insight into the use of Alcaligenes (in the absence of urea) to improve the seawater quality in the process of desalination.

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Section: Resultssupporting

confidence: 85%

One-Step Removal of Calcium, Magnesium, and Nickel in Desalination by Alcaligenes aquatilis via Biomineralization

Dong

Guo

et al. 2019

Crystals

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“…The lower adsorption at pH 1.0 was because of competition from Cl − and [AuCl 4 ] − . But the OH − substituted some Cl − in the [AuCl 4 ] − to form the [AuCl 4−n (OH) n ] − complex ions (0 ≤ n ≤ 4.0) under weak acidic environment (Ando et al, 2018). Thus, with pH from 2.5 to 4.0 increasing, chloride-hydroxide complexes of Au(III) formed because of the reduction of protonated amines and hydroxide substitution reaction proceeds and the adsorption decreased gradually (Zhen et al, 2016).…”

Section: Resultsmentioning

confidence: 99%

Fabrication of Triethylenetetramine Terminal Hyperbranched Dendrimer-Like Polymer Modified Silica Gel and Its Prominent Recovery Toward Au (III)

Zhang

et al. 2019

Front. Chem.

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To further increase the quantity and density of functional groups on adsorbent, terminal triethylenetetramine hyperbranched dendrimer-like polymer modified silica-gel (SG-TETA and SG-TETA2) was synthesized. The hyperbranched dendrimer-like polymer was successfully introduced onto silica gel and new cavities were formed, which was demonstrated by FTIR, SEM, and BET. The highest adsorption capacities of SG-TETA and SG-TETA2 obtained from Langmuir model toward Au(III) were 2.11, and 2.27 mmol g −1 , respectively, indicating that SG-TETA2 possessing more functional groups had a better adsorption ability. Moreover, the adsorbents combined with Au(III) ion through chelation and electrostatic attraction mechanism, after which reduction reactions for Au(III) ion loaded on adsorbents proceeded. SG-TETA2 had better adsorption selectivity than SG-TETA in removing Au(III) in Au-existed ion solution systems. SG-TETA2 had higher overall adsorption capacities compared to silica-gel-based hyperbranched polymers functionalized by diethylenetriamine. Therefore, the effective recovery makes SG-TETA2 a practical adsorbent in removing Au(III) ion from e-wastes and industrial effluents with much prospect.

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“…From their results, it can be concluded that the Au(III) complex ions adsorbed on Ni(OH)2 were reduced to Au(0), but the Au(III) complex ions adsorbed on NiCO3 as [Au(OH)4]were not reduced at all. 36 In the case of the adsorption of Au(III) complex ions to Ni(OH)2, a high proportion of adsorbed Au(III) complex ions was reduced to Au(0) compared to those adsorbed on Al(OH)3, Fe(OH)3, and MnO2.…”

Section: •3 Adsorption Of Au(iii) Complex Ions On Metal Oxidesmentioning

confidence: 95%

“…7). In a study of the 36 adsorption of Au(III) chloride complex ions on CeO2, the Au(III) was adsorbed as mono and bidentate surface complexes, as shown below. The reduction of the Au(III) complex ions adsorbed on CeO2 was not detected.…”

Section: Au(s) + 3hmentioning

confidence: 99%

“…Consequently, Au(OH)3 was found to be a suitable standard material for Au(III) in the measurement of Au L3-edge XAS data, 39 and Au(OH)3 is now used as a reference standard for Au(III). 36 4•5 What is the driving force for the adsorption of Au(III) complex ions on metal oxides and hydroxides? The adsorption of Au(III) complex ions to Ni(OH)2 and NiCO3 was measured between pH 9 and 10.…”

Section: •4 Standard Materials For the Analysis Of Au(iii) Complexes For Au L3-edge Xas Measurementsmentioning

confidence: 99%

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Investigations on Adsorption of Inorganic Ions in Aqueous Solution to Some Metal Oxides, Hydroxides and a Carbonate by the X-Ray Spectroscopic Method

et al. 2021

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Why does the adsorption and concentration of inorganic chemical species proceed at aqueous-solid interfaces? In this review paper, we discuss the use of X-ray chemical state analysis to elucidate the intrinsic adsorption mechanism. Based on the chemical states of the species adsorbed to solids as determined by X-ray chemical state analysis, possible adsorption mechanisms are discussed. The driving forces of adsorption are represented by the Gibbs free energy change (ΔGchem = ΔGchem,1 + ΔGchem,2) resulting from the formation of covalent bonds between metal ions (M) in metal oxides or hydroxides and adsorbed species (X) (M-O-X bond, ΔGchem,1) and the formation of new phases consisting of M and X (ΔGchem,2). The concept of ΔGchem,2 is proposed based on the experimental results from chemical state analyses. As examples, the following investigations are discussed in this review paper: the formation of mullite precursors by the adsorption of monosilicic acid to Al(OH)3, the spontaneous reduction of Au(III) to Au(0) by adsorption of Au(III) to Al(OH)3, MnO2 and Ni(OH)2 and the mechanism of concentration of Co 2+ , Tl + , Pb 2+ , Pt 2+ , Au + , and Pd 2+ in marine ferromanganese crusts.

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Adsorption Behavior of Au(III) Complex Ion on Nickel Carbonate and Nickel Hydroxide

Cited by 7 publications

References 22 publications

One-Step Removal of Calcium, Magnesium, and Nickel in Desalination by Alcaligenes aquatilis via Biomineralization

One-Step Removal of Calcium, Magnesium, and Nickel in Desalination by Alcaligenes aquatilis via Biomineralization

Fabrication of Triethylenetetramine Terminal Hyperbranched Dendrimer-Like Polymer Modified Silica Gel and Its Prominent Recovery Toward Au (III)

Investigations on Adsorption of Inorganic Ions in Aqueous Solution to Some Metal Oxides, Hydroxides and a Carbonate by the X-Ray Spectroscopic Method

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