Highly efficient green-synthesized sucrose-derived graphene silica and carbonate sand composites for copper (II) ions removal

IF 3 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

International Journal of Environmental Science and Technology Pub Date : 2024-10-29 DOI:10.1007/s13762-024-06078-6

H. Omdehghiasi, A. H. Korayem, A. Yeganeh-Bakhtiary

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Abstract

In this study, the efficacy of three important adsorbents- pure sand, a sucrose-derived graphene sand composite, and an innovative 3D sucrose-derived graphene composite using silica and carbonate sands for transforming the field of copper (II) ion removal was meticulously explored. Coating the surfaces of silica and porous carbonate sands with sucrose and subjecting them to heat treatment resulted in the formation of layered graphene on the sands. Converting these materials into 3D structures creates a cost-effective and efficient 3D graphene adsorbent with nano-porous channels. The graphene silica sand composite, boasting a thickness of 9 cm, achieved an impressive 82.4% removal rate, while the carbonate sand composite with 9 cm thick achieved an astonishing 99% removal rate due to its high specific surface area and porous structure. Among the utilized adsorbents, the 3D graphene carbonate sand composite, boasting a lower thickness of 4.5 cm and featuring an ingenious multilayered graphene coating and nanoporous channels, displayed a high efficiency of 96.4% in removing copper (II) ions, making it the most effective among all the studied adsorbents. The significant results pave the way for the development of economically viable, highly efficient, and environmentally friendly adsorbents, representing a major stride in combating copper contamination.

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来源期刊

International Journal of Environmental Science and Technology 环境科学-环境科学

CiteScore

5.60

自引率

6.50%

发文量

806

审稿时长

10.8 months

期刊介绍： International Journal of Environmental Science and Technology (IJEST) is an international scholarly refereed research journal which aims to promote the theory and practice of environmental science and technology, innovation, engineering and management. A broad outline of the journal''s scope includes: peer reviewed original research articles, case and technical reports, reviews and analyses papers, short communications and notes to the editor, in interdisciplinary information on the practice and status of research in environmental science and technology, both natural and man made. The main aspects of research areas include, but are not exclusive to; environmental chemistry and biology, environments pollution control and abatement technology, transport and fate of pollutants in the environment, concentrations and dispersion of wastes in air, water, and soil, point and non-point sources pollution, heavy metals and organic compounds in the environment, atmospheric pollutants and trace gases, solid and hazardous waste management; soil biodegradation and bioremediation of contaminated sites; environmental impact assessment, industrial ecology, ecological and human risk assessment; improved energy management and auditing efficiency and environmental standards and criteria.