Ion-exchange properties of microdispersed sintered detonation nanodiamond

Peristyy, Anton; Paull, Brett; Nesterenko, Pavel N.

doi:10.1007/s10450-016-9786-9

Cited by 19 publications

(10 citation statements)

References 48 publications

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“…The Cu and Fe values are significantly higher than previous metal ion adsorption values, for instance, Cu 2+ 1.78 and Fe 2+ 1.15 wt% on DND 27 . In other literatures, maximum Cu 2+ adsorption on DND is reported to be 7.5 wt% 48 and 5μmol/g 49 . The latter value was obtained in the existence of SO 4 2− for DND from the same source, ALIT, Ukraine, for air-sintered sample similarly to DND(II).…”

Section: Resultsmentioning

confidence: 82%

“…Obviously Q max of the present adsorbent is remarkably high compared to those of simple PB, PB analogues and other common adsorbents. Recently nanocarbon materials such as CNT, graphene, graphene-oxide and reduced graphene-oxide are reported as solid support for PB and PB analogues in Cs + removal 38 , 47 , 49 . The performance of these new adsorbents are also included in Table 3 .…”

Section: Resultsmentioning

confidence: 99%

“…With the specific surface area of 191 m 2 /g and number of acidic groups per area, 0.56 group/nm 2 reported in the literature for DND of ALIT 49 , the maximum Cu 2+ adsorption on DND can be calculated to 1.13 wt%, by assuming that all the acidic groups are occupied with Cu 2+ . This value is appreciably lower than the analytical Cu 2+ value of 21.7 wt% for Cu-PB@DND.…”

Section: Resultsmentioning

confidence: 99%

“…On the other hand, maximum ion-exchange capacity of 2.0 mmol Cs + /g is reported for DND of ALIT 49 , which corresponds to 127 mg/g Cs + adsorption per Cu-PB@DND, assuming 47.8 wt% DND carbon in the adsorbent (DND C amount was estimated by subtracting cyanide C amount corresponding to N amount, from the total C amount). Addition of the two values of 314 and 127 mg/g amounts to 441 mg/g.…”

Section: Resultsmentioning

confidence: 99%

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A Highly Efficient Adsorbent Cu-Perusian Blue@Nanodiamond for Cesium in Diluted Artificial Seawater and Soil-Treated Wastewater

Matsumoto

Yamato²,

Kakimoto

et al. 2018

Sci Rep

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A new adsorbent Cu-Perussian blue@Nanodiamond (Cu-PB@DND) for Cs+ removal was prepared and characterized with IR, SEM, X-ray diffraction, particle size analysis, and zeta-potential. The adsorbent consists of a core of aggregated detonation nanodiamond (DND) particles with the surface treated with Cu-PB. Cesium adsorption was studied in two modes; a co-precipitation mode and a batch mode. In the co-precipitation mode, DND, CuCl2, and K4[Fe(CN)6] were added sequentially to a Cs+ solution in diluted artificial seawater. In the batch mode, adsorbent Cu-PB@DND was dispersed into a Cs+ solution with stirring. The distribution coefficient (Kd) of the co-precipitation mode was 8.8 × 107 (mL/g) at Cs+ 6.6 ppm in 0.07% seawater. The Kd value of the batch mode was 1.3 × 106 (mL/g). Precipitation of Cs+-incorporated particles was complete, and post filtration was not necessary. Excess copper and iron ions were completely removed and were not detected in the supernatant. The adsorption data for Cu-PB@DND were analyzed by assuming Langmuir isotherm and a good fit was obtained with a maximum adsorption capacity Qmax of 759 mg/g. The co-precipitation method was also applied to soil-treated wastewater.

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Section: Resultsmentioning

confidence: 82%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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A Highly Efficient Adsorbent Cu-Perusian Blue@Nanodiamond for Cesium in Diluted Artificial Seawater and Soil-Treated Wastewater

Matsumoto

Yamato²,

Kakimoto

et al. 2018

Sci Rep

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“…This is necessary primarily for the removal of non-diamond forms of carbon. As a result, various functional groups form at the surface of nanodiamonds, which are responsible for the use of nanodiamonds as sorbents [1,[3][4][5] and crucial for technological and biomedical applications of nanodiamonds [6][7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Detonation Nanodiamonds: A Comparison Study by Photoacoustic, Diffuse Reflectance, and Attenuated Total Reflection FTIR spectroscopies

Volkov

Krivoshein

Проскурнин

2020

Preprint

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The qualitative analysis of nanodiamonds by FTIR spectrometry as photoacoustic (PAS), diffuse-reflectance (DRIFT), and attenuated total reflection (ATR) modalities was evaluated for rapid and nondestructive analysis and comparison of nanodiamonds. The spectra reproducibility and signal-gathering depth was compared. The assignment of characteristic bands showed that only six groups of bands were present in spectra of all the modalities with appropriate sensitivity: 1760 (C=O stretch, isolated carboxyl groups); 1640–1632 (H–O–H bend, liquid water); 1400–1370 (non-carboxyl C–O–H in-plane bend and CH2 deformation); 1103 (non-carboxyl C–O stretch); 1060 (in-plane C–H bend, non-aromatic hydrocarbons and carbohydrates); and 940 cm–1 (out-of-plane carboxyl C–O–H bend). DRIFT provides the maximum number of bands and is capable of measuring hydrogen-bonded bands and CHX groups. ATR provides the good sensitivity for water and C–H/C–C bands in the range 2000–400 cm–1. PAS-FTIR reveals less bands than DRIFT but more intense bands than ATR-FTIR and shows the maximum sensitivity for absorption bands that do not appear in ATR-IR spectra and are expedient for supporting either DRIFT or PAS along with depth-profiling. Thus, all three modalities are required for full characterization of nanodiamonds surface functional groups.

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Modification of the surface chemistry of microdispersed sintered detonation nanodiamonds and its effect on the adsorption properties

et al. 2017

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Ion-exchange properties of microdispersed sintered detonation nanodiamond

Cited by 19 publications

References 48 publications

A Highly Efficient Adsorbent Cu-Perusian Blue@Nanodiamond for Cesium in Diluted Artificial Seawater and Soil-Treated Wastewater

A Highly Efficient Adsorbent Cu-Perusian Blue@Nanodiamond for Cesium in Diluted Artificial Seawater and Soil-Treated Wastewater

Detonation Nanodiamonds: A Comparison Study by Photoacoustic, Diffuse Reflectance, and Attenuated Total Reflection FTIR spectroscopies

Modification of the surface chemistry of microdispersed sintered detonation nanodiamonds and its effect on the adsorption properties

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