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Volume 14 (2019) : Issue 3, Mar

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Volume 14 (2019) : Issue 1, Jan

The Journal of Engineering

Green fabrication of SH-modified GO composite for heavy metal ions removal in aqueous solution

Content Provider	IET Digital Library
Author	Zhang, Yakun Luo, Kuan Yu, Jingang Jiang, Xinyu
Abstract	Humic acid (HA) sodium salt (SH)-modified graphene oxide (GO) composite, which could snatch Pb (II), Cd (II) and Cu (II) effectively from aqueous solution, was fabricated by a green hydrothermal method. Here, the morphology and structure of as-synthesised SH–GO composite was presented through scanning electron microscopy, Roman spectra, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy and thermal gravimetric analysis. Owing to the introduction of cheap and readily available HA sodium salt, the adsorption capacity of SH–GO toward heavy metals was improved obviously, and the corresponding removal behaviours were further investigated in detail. Besides, the adsorption results were in good agreement with Langmuir isotherm and the pseudo-second kinetic model, where the thermodynamic parameters revealed the adsorption process was spontaneous and endothermic in essence. Adsorption–desorption result showing its stable adsorption capacity confirmed its great potential as adsorbent for removal of heavy metal ions from aqueous solution.
Starting Page	373
Ending Page	378
Page Count	6
Volume Number	14
e-ISSN	17500443
Issue Number	Issue 4, Apr (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/mnl/14/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/mnl.2018.5576
Journal	Micro & Nano Letters
Publisher Date	2019-04-03
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adsorption Adsorption And Desorption Kinetics Adsorption Process Aqueous Solution Cheap HA Sodium Salt Desorption Evaporation And Condensation Fourier Transform Infrared Spectra Fourier Transform Infrared Spectroscopy Graphene Compound Green Fabrication Green Hydrothermal Method HA Sodium Salt-modified GO Composite Heavy Metal Ions Removal Heavy Metals Humic Acid Sodium Salt-modified Graphene Oxide Composite Infrared Spectroscopy Material Preparation Nanocomposite Nanofabrication NanoParticle Nanotube And Nanostructured Material Organic Compound Raman Spectra Scanning Electron Microscopy Sorption And Accommodation Coefficient Stable Adsorption Capacity Structure of Solid Clusters Surface Chemistry Thermal Analysis Thermal Gravimetric Analysis Water Treatment X-Ray Diffraction X-Ray Photoelectron Spectroscopy
Content Type	Text
Resource Type	Article

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