Effect of framework structure, pore size and surface modification on the adsorption performance of methylene blue and Cu2+ in mesoporous silica

Shaobing Ge; Wangchang Geng; Xiaowei He; Jiawei Zhao; Bo Zhou; Libing Duan; Yaoguo Wu; Qiuyu Zhang

doi:10.1016/j.colsurfa.2017.12.016

Effect of framework structure, pore size and surface modification on the adsorption performance of methylene blue and Cu²⁺ in mesoporous silica

Shaobing Ge, Wangchang Geng, Xiaowei He, Jiawei Zhao, Bo Zhou, Libing Duan, Yaoguo Wu, Qiuyu Zhang

School of Chemistry and Chemical Engineering

Northwestern Polytechnical University Xian

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

46 Scopus citations

Abstract

A series of silica with diverse channel structures or pore diameters were synthesized via the hydrothermal method. Corresponding amine/nitro-modified materials were obtained by grafting, nitrating reaction, respectively. Textural and chemical properties were analyzed by Scanning electron micrograph (SEM), Small angle powder X-ray diffraction (SAXRD), Nitrogen adsorption-desorption measurement, Fourier transform infrared spectroscopy (FTIR), Thermogravimetric (TG) analysis and Zeta potential. Batch adsorption results revealed that distinct uptake capacities of Cu²⁺ and methylene blue occurred at the solid-liquid interface of prepared adsorbents. Especially, pure SBA-12-OH displayed the highest removal behavior toward methylene blue, mainly owing to its larger pore diameter. Amine-grafted SBA-12 (SBA-12-NH₂) presented higher affinity to Cu²⁺ than others, originating from the complexation function of amine groups and its superior framework structure. Moreover, their adsorption isotherms and kinetics were further investigated to explore the application in industrial operation system.

Original language	English
Pages (from-to)	154-162
Number of pages	9
Journal	Colloids and Surfaces A: Physicochemical and Engineering Aspects
Volume	539
DOIs	https://doi.org/10.1016/j.colsurfa.2017.12.016
State	Published - 20 Feb 2018

Keywords

Adsorption
Cationic dye
Heavy metal ions
Mesoporous silica
Pore structure

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title = "Effect of framework structure, pore size and surface modification on the adsorption performance of methylene blue and Cu2+ in mesoporous silica",

abstract = "A series of silica with diverse channel structures or pore diameters were synthesized via the hydrothermal method. Corresponding amine/nitro-modified materials were obtained by grafting, nitrating reaction, respectively. Textural and chemical properties were analyzed by Scanning electron micrograph (SEM), Small angle powder X-ray diffraction (SAXRD), Nitrogen adsorption-desorption measurement, Fourier transform infrared spectroscopy (FTIR), Thermogravimetric (TG) analysis and Zeta potential. Batch adsorption results revealed that distinct uptake capacities of Cu2+ and methylene blue occurred at the solid-liquid interface of prepared adsorbents. Especially, pure SBA-12-OH displayed the highest removal behavior toward methylene blue, mainly owing to its larger pore diameter. Amine-grafted SBA-12 (SBA-12-NH2) presented higher affinity to Cu2+ than others, originating from the complexation function of amine groups and its superior framework structure. Moreover, their adsorption isotherms and kinetics were further investigated to explore the application in industrial operation system.",

keywords = "Adsorption, Cationic dye, Heavy metal ions, Mesoporous silica, Pore structure",

author = "Shaobing Ge and Wangchang Geng and Xiaowei He and Jiawei Zhao and Bo Zhou and Libing Duan and Yaoguo Wu and Qiuyu Zhang",

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year = "2018",

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doi = "10.1016/j.colsurfa.2017.12.016",

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T1 - Effect of framework structure, pore size and surface modification on the adsorption performance of methylene blue and Cu2+ in mesoporous silica

AU - Ge, Shaobing

AU - Geng, Wangchang

AU - He, Xiaowei

AU - Zhao, Jiawei

AU - Zhou, Bo

AU - Duan, Libing

AU - Wu, Yaoguo

AU - Zhang, Qiuyu

PY - 2018/2/20

Y1 - 2018/2/20

N2 - A series of silica with diverse channel structures or pore diameters were synthesized via the hydrothermal method. Corresponding amine/nitro-modified materials were obtained by grafting, nitrating reaction, respectively. Textural and chemical properties were analyzed by Scanning electron micrograph (SEM), Small angle powder X-ray diffraction (SAXRD), Nitrogen adsorption-desorption measurement, Fourier transform infrared spectroscopy (FTIR), Thermogravimetric (TG) analysis and Zeta potential. Batch adsorption results revealed that distinct uptake capacities of Cu2+ and methylene blue occurred at the solid-liquid interface of prepared adsorbents. Especially, pure SBA-12-OH displayed the highest removal behavior toward methylene blue, mainly owing to its larger pore diameter. Amine-grafted SBA-12 (SBA-12-NH2) presented higher affinity to Cu2+ than others, originating from the complexation function of amine groups and its superior framework structure. Moreover, their adsorption isotherms and kinetics were further investigated to explore the application in industrial operation system.

AB - A series of silica with diverse channel structures or pore diameters were synthesized via the hydrothermal method. Corresponding amine/nitro-modified materials were obtained by grafting, nitrating reaction, respectively. Textural and chemical properties were analyzed by Scanning electron micrograph (SEM), Small angle powder X-ray diffraction (SAXRD), Nitrogen adsorption-desorption measurement, Fourier transform infrared spectroscopy (FTIR), Thermogravimetric (TG) analysis and Zeta potential. Batch adsorption results revealed that distinct uptake capacities of Cu2+ and methylene blue occurred at the solid-liquid interface of prepared adsorbents. Especially, pure SBA-12-OH displayed the highest removal behavior toward methylene blue, mainly owing to its larger pore diameter. Amine-grafted SBA-12 (SBA-12-NH2) presented higher affinity to Cu2+ than others, originating from the complexation function of amine groups and its superior framework structure. Moreover, their adsorption isotherms and kinetics were further investigated to explore the application in industrial operation system.

KW - Adsorption

KW - Cationic dye

KW - Heavy metal ions

KW - Mesoporous silica

KW - Pore structure

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U2 - 10.1016/j.colsurfa.2017.12.016

DO - 10.1016/j.colsurfa.2017.12.016

M3 - 文章

AN - SCOPUS:85038853740

SN - 0927-7757

VL - 539

SP - 154

EP - 162

JO - Colloids and Surfaces A: Physicochemical and Engineering Aspects

JF - Colloids and Surfaces A: Physicochemical and Engineering Aspects

ER -

Effect of framework structure, pore size and surface modification on the adsorption performance of methylene blue and Cu²⁺ in mesoporous silica

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