Removal of cobalt ions from waste water by Friedel's salt

Lin Chi; Zheng Wang; Yuan Sun; Shuang Lu; Yan Yao

doi:10.1088/2053-1591/aae613

Removal of cobalt ions from waste water by Friedel's salt

Lin Chi
, Zheng Wang
, Yuan Sun
, Shuang Lu
, Yan Yao

School of Civil Engineering

School of Civil Engineering, Harbin Institute of Technology
Harbin Institute of Technology
China Building Materials Academy

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

In this study, the adsorption behaviors of the Friedel's salt for Co(II) from aqueous solution at different concentrations and various initial pHs are investigated. The adsorption process follows the pseudo-second-order model and can be described by the Langmuir adsorption isotherm. The experimental results demonstrate that Friedel's salt has a high Co (II) adsorption (up to capacity 3.682 mmol Co(II)/g) and a strong adsorption efficiency (>99.98% Co(II) adsorption at [Co] < 16.00 mM with 4.0 g L^-1 of adsorbent). Due to isomorphic substitution behavior, less than 0.2% Co(II) will be leached from the newly formed Co-adsorbed hydrocalumite during the ions stability tests. The present study reveals that Friedel's salt could be applied as a low cost and high efficiency adsorbent for the removal of cobalt from waste water.

Original language	English
Article number	015508
Journal	Materials Research Express
Volume	6
Issue number	1
DOIs	https://doi.org/10.1088/2053-1591/aae613
State	Published - Jan 2019

Keywords

Friedel's salt
LDHs
the cobalt ion removal

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10.1088/2053-1591/aae613

Cite this

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title = "Removal of cobalt ions from waste water by Friedel's salt",

abstract = "In this study, the adsorption behaviors of the Friedel's salt for Co(II) from aqueous solution at different concentrations and various initial pHs are investigated. The adsorption process follows the pseudo-second-order model and can be described by the Langmuir adsorption isotherm. The experimental results demonstrate that Friedel's salt has a high Co (II) adsorption (up to capacity 3.682 mmol Co(II)/g) and a strong adsorption efficiency (>99.98\% Co(II) adsorption at [Co] < 16.00 mM with 4.0 g L-1 of adsorbent). Due to isomorphic substitution behavior, less than 0.2\% Co(II) will be leached from the newly formed Co-adsorbed hydrocalumite during the ions stability tests. The present study reveals that Friedel's salt could be applied as a low cost and high efficiency adsorbent for the removal of cobalt from waste water.",

keywords = "Friedel's salt, LDHs, the cobalt ion removal",

author = "Lin Chi and Zheng Wang and Yuan Sun and Shuang Lu and Yan Yao",

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doi = "10.1088/2053-1591/aae613",

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T1 - Removal of cobalt ions from waste water by Friedel's salt

AU - Chi, Lin

AU - Wang, Zheng

AU - Sun, Yuan

AU - Lu, Shuang

AU - Yao, Yan

PY - 2019/1

Y1 - 2019/1

N2 - In this study, the adsorption behaviors of the Friedel's salt for Co(II) from aqueous solution at different concentrations and various initial pHs are investigated. The adsorption process follows the pseudo-second-order model and can be described by the Langmuir adsorption isotherm. The experimental results demonstrate that Friedel's salt has a high Co (II) adsorption (up to capacity 3.682 mmol Co(II)/g) and a strong adsorption efficiency (>99.98% Co(II) adsorption at [Co] < 16.00 mM with 4.0 g L-1 of adsorbent). Due to isomorphic substitution behavior, less than 0.2% Co(II) will be leached from the newly formed Co-adsorbed hydrocalumite during the ions stability tests. The present study reveals that Friedel's salt could be applied as a low cost and high efficiency adsorbent for the removal of cobalt from waste water.

AB - In this study, the adsorption behaviors of the Friedel's salt for Co(II) from aqueous solution at different concentrations and various initial pHs are investigated. The adsorption process follows the pseudo-second-order model and can be described by the Langmuir adsorption isotherm. The experimental results demonstrate that Friedel's salt has a high Co (II) adsorption (up to capacity 3.682 mmol Co(II)/g) and a strong adsorption efficiency (>99.98% Co(II) adsorption at [Co] < 16.00 mM with 4.0 g L-1 of adsorbent). Due to isomorphic substitution behavior, less than 0.2% Co(II) will be leached from the newly formed Co-adsorbed hydrocalumite during the ions stability tests. The present study reveals that Friedel's salt could be applied as a low cost and high efficiency adsorbent for the removal of cobalt from waste water.

KW - Friedel's salt

KW - LDHs

KW - the cobalt ion removal

UR - https://www.scopus.com/pages/publications/85056088538

U2 - 10.1088/2053-1591/aae613

DO - 10.1088/2053-1591/aae613

M3 - 文章

AN - SCOPUS:85056088538

SN - 2053-1591

VL - 6

JO - Materials Research Express

JF - Materials Research Express

IS - 1

M1 - 015508

ER -

Removal of cobalt ions from waste water by Friedel's salt

Abstract

Keywords

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