A review of cryogels synthesis, characterization and applications on the removal of heavy metals from aqueous solutions

Alzhan Baimenov; Dmitriy A. Berillo; Stavros G. Poulopoulos; Vassilis J. Inglezakis

doi:10.1016/j.cis.2019.102088

A review of cryogels synthesis, characterization and applications on the removal of heavy metals from aqueous solutions

Alzhan Baimenov, Dmitriy A. Berillo, Stavros G. Poulopoulos, Vassilis J. Inglezakis^*

^*Corresponding author for this work

WATEC, Centre for Water Technology - WATEC Aarhus University Centre for Water Technology, Ny Munkegade

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Review › Research › peer-review

100 Citations (Scopus)

Abstract

The physical and chemical attributes of cryogels, such as the macroporosity, elasticity, water permeability and ease of chemical modification have attracted strong research interest in a variety of areas, such as water purification, catalysis, regenerative medicine, biotechnology, bioremediation and biosensors. Cryogels have shown high removal efficiency and selectivity for heavy metals, nutrients, and toxic dyes from aqueous solutions but there are challenges when scaling up from lab to commercial scale applications. This paper represents an overview of the most recent advances in the use of cryogels for the removal of heavy metals from water and attempts to fill the gap in the literature by deepening the understanding on the mechanisms involved, which strongly depend on the initial monomer composition and post-modification agent precursors used in synthesis. The review also describes the advantages of cryogels over other adsorbents and covers synthesis and characterization methods such as SEM/EDS, TEM, FTIR, zeta potential measurements, porosimetry, swelling and mechanical properties.

Original language	English
Article number	102088
Journal	Advances in Colloid and Interface Science
Volume	276
Number of pages	23
ISSN	0001-8686
DOIs	https://doi.org/10.1016/j.cis.2019.102088
Publication status	Published - 2020

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title = "A review of cryogels synthesis, characterization and applications on the removal of heavy metals from aqueous solutions",

abstract = "The physical and chemical attributes of cryogels, such as the macroporosity, elasticity, water permeability and ease of chemical modification have attracted strong research interest in a variety of areas, such as water purification, catalysis, regenerative medicine, biotechnology, bioremediation and biosensors. Cryogels have shown high removal efficiency and selectivity for heavy metals, nutrients, and toxic dyes from aqueous solutions but there are challenges when scaling up from lab to commercial scale applications. This paper represents an overview of the most recent advances in the use of cryogels for the removal of heavy metals from water and attempts to fill the gap in the literature by deepening the understanding on the mechanisms involved, which strongly depend on the initial monomer composition and post-modification agent precursors used in synthesis. The review also describes the advantages of cryogels over other adsorbents and covers synthesis and characterization methods such as SEM/EDS, TEM, FTIR, zeta potential measurements, porosimetry, swelling and mechanical properties.",

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A review of cryogels synthesis, characterization and applications on the removal of heavy metals from aqueous solutions. / Baimenov, Alzhan; Berillo, Dmitriy A.; Poulopoulos, Stavros G. et al.
In: Advances in Colloid and Interface Science, Vol. 276, 102088, 2020.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Review › Research › peer-review

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AU - Baimenov, Alzhan

AU - Berillo, Dmitriy A.

AU - Poulopoulos, Stavros G.

AU - Inglezakis, Vassilis J.

PY - 2020

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AB - The physical and chemical attributes of cryogels, such as the macroporosity, elasticity, water permeability and ease of chemical modification have attracted strong research interest in a variety of areas, such as water purification, catalysis, regenerative medicine, biotechnology, bioremediation and biosensors. Cryogels have shown high removal efficiency and selectivity for heavy metals, nutrients, and toxic dyes from aqueous solutions but there are challenges when scaling up from lab to commercial scale applications. This paper represents an overview of the most recent advances in the use of cryogels for the removal of heavy metals from water and attempts to fill the gap in the literature by deepening the understanding on the mechanisms involved, which strongly depend on the initial monomer composition and post-modification agent precursors used in synthesis. The review also describes the advantages of cryogels over other adsorbents and covers synthesis and characterization methods such as SEM/EDS, TEM, FTIR, zeta potential measurements, porosimetry, swelling and mechanical properties.

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A review of cryogels synthesis, characterization and applications on the removal of heavy metals from aqueous solutions

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