Solar Energy, ( ISI ), Volume (224), Year (2021-8) , Pages (440-454)

Title : ( Clean water production by non-noble metal/reduced graphene oxide nanocomposite coated on wood: Scalable interfacial solar steam generation and heavy metal sorption )

Authors: Roya Mehrkhah , Elaheh Kafshdare Goharshadi , Mohammad Mustafa Ghafurian , Mojtaba Mohammadi , Omid Mahian ,

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Abstract

Herein, a cost-effective, bifunctional, scalable, and highly efficient water-treatment material was prepared by coating iron/nickle (Fe/Ni)-reduced graphene oxide (RGO) nanocomposite on poplar wood which was used both as non-noble metal based photoabsorber in interfacial solar steam generation of seawater and as highly efficient heavy metal sorbent. The solar evaporation fluxes of 1.43 and 4.19 kg m− 2h− 1 under 1 and 3 sun (1 sun = 1 kW m− 2), respectively were achieved by the most efficient photoabsorber (RGO200/FeNi-wood). The evaporation efficiency of the photoabsorber did not change significantly even after 20 cycles. After desalination by RGO200/FeNi-wood, a remarkable reduction in the salinity (4 order of magnitude), pH (8.1 to 6.2), and electrical conductivity (6000 to 2.25 µS cm− 1) was achieved. The cost per produced steam rate was calculated as 0.03 $ cm− 3h under 3 sun which is comparable to the best double-layer devices reported in the literature. RGO200/FeNi-wood could act as a novel sorbent to remove Pb (II) completely from aqueous solutions.

Keywords

RGO/FeNi nanocomposites Interfacial solar desalination Pb (II) removal Clean water productio
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@article{paperid:1085316,
author = {Mehrkhah, Roya and Kafshdare Goharshadi, Elaheh and Mohammad Mustafa Ghafurian and Mohammadi, Mojtaba and Omid Mahian},
title = {Clean water production by non-noble metal/reduced graphene oxide nanocomposite coated on wood: Scalable interfacial solar steam generation and heavy metal sorption},
journal = {Solar Energy},
year = {2021},
volume = {224},
month = {August},
issn = {0038-092X},
pages = {440--454},
numpages = {14},
keywords = {RGO/FeNi nanocomposites Interfacial solar desalination Pb (II) removal Clean water productio},
}

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%0 Journal Article
%T Clean water production by non-noble metal/reduced graphene oxide nanocomposite coated on wood: Scalable interfacial solar steam generation and heavy metal sorption
%A Mehrkhah, Roya
%A Kafshdare Goharshadi, Elaheh
%A Mohammad Mustafa Ghafurian
%A Mohammadi, Mojtaba
%A Omid Mahian
%J Solar Energy
%@ 0038-092X
%D 2021

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