Adsorptive remediation of environmental pollutants using novel graphene-based nanomaterials

Pollution of air, water and soil is a worldwide issue for the eco-environment and human society. Removal of various pollutants including inorganic and organic compounds from the environment is a big challenge. Adsorption techniques are usually simple and work effectively. However, the adsorption cap...

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Main Authors: Wang, Shaobin, Sun, Hongqi, Ang, Ha-Ming, Tade, Moses
Format: Journal Article
Published: Elsevier BV 2013
Subjects:
Online Access:http://purl.org/au-research/grants/arc/DP130101319
http://hdl.handle.net/20.500.11937/35439
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author Wang, Shaobin
Sun, Hongqi
Ang, Ha-Ming
Tade, Moses
author_facet Wang, Shaobin
Sun, Hongqi
Ang, Ha-Ming
Tade, Moses
author_sort Wang, Shaobin
building Curtin Institutional Repository
collection Online Access
description Pollution of air, water and soil is a worldwide issue for the eco-environment and human society. Removal of various pollutants including inorganic and organic compounds from the environment is a big challenge. Adsorption techniques are usually simple and work effectively. However, the adsorption capacities of materials depend on their porous structure and surface properties. Graphene oxide and graphene are new carbonaceous nanomaterials. Graphene has a large theoretical specific surface area and graphene oxide has functional groups, indicating their potential for the adsorption processes. In the past few years, many investigations have been focused on the applications of graphene or composites in removal of pollutants from air and water. In this paper, we will review recent advances in graphene-related nanomaterials for adsorptive treatment of environmental pollution. Graphene oxide possesses several functional groups and strong acidity, exhibiting high adsorption for basic compounds and cations while graphene shows hydrophobic surface and presents high adsorption to chemicals due to strong pi–pi interaction. Modification of graphene oxide or graphene with metal oxides or organics can produce various nanocomposites, enhancing adsorption capacity and separation efficiency. Activation of graphene into porous carbonaceous material will be a promising way to further enhance adsorption capacity.
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spelling curtin-20.500.11937-354392022-10-06T06:24:21Z Adsorptive remediation of environmental pollutants using novel graphene-based nanomaterials Wang, Shaobin Sun, Hongqi Ang, Ha-Ming Tade, Moses Activation Pollutants Graphene Graphene oxide Adsorption Pollution of air, water and soil is a worldwide issue for the eco-environment and human society. Removal of various pollutants including inorganic and organic compounds from the environment is a big challenge. Adsorption techniques are usually simple and work effectively. However, the adsorption capacities of materials depend on their porous structure and surface properties. Graphene oxide and graphene are new carbonaceous nanomaterials. Graphene has a large theoretical specific surface area and graphene oxide has functional groups, indicating their potential for the adsorption processes. In the past few years, many investigations have been focused on the applications of graphene or composites in removal of pollutants from air and water. In this paper, we will review recent advances in graphene-related nanomaterials for adsorptive treatment of environmental pollution. Graphene oxide possesses several functional groups and strong acidity, exhibiting high adsorption for basic compounds and cations while graphene shows hydrophobic surface and presents high adsorption to chemicals due to strong pi–pi interaction. Modification of graphene oxide or graphene with metal oxides or organics can produce various nanocomposites, enhancing adsorption capacity and separation efficiency. Activation of graphene into porous carbonaceous material will be a promising way to further enhance adsorption capacity. 2013 Journal Article http://hdl.handle.net/20.500.11937/35439 10.1016/j.cej.2013.04.070 http://purl.org/au-research/grants/arc/DP130101319 Elsevier BV fulltext
spellingShingle Activation
Pollutants
Graphene
Graphene oxide
Adsorption
Wang, Shaobin
Sun, Hongqi
Ang, Ha-Ming
Tade, Moses
Adsorptive remediation of environmental pollutants using novel graphene-based nanomaterials
title Adsorptive remediation of environmental pollutants using novel graphene-based nanomaterials
title_full Adsorptive remediation of environmental pollutants using novel graphene-based nanomaterials
title_fullStr Adsorptive remediation of environmental pollutants using novel graphene-based nanomaterials
title_full_unstemmed Adsorptive remediation of environmental pollutants using novel graphene-based nanomaterials
title_short Adsorptive remediation of environmental pollutants using novel graphene-based nanomaterials
title_sort adsorptive remediation of environmental pollutants using novel graphene-based nanomaterials
topic Activation
Pollutants
Graphene
Graphene oxide
Adsorption
url http://purl.org/au-research/grants/arc/DP130101319
http://hdl.handle.net/20.500.11937/35439