Light-induced desorption of trivalent chromium from adsorbents: one step closer to sustainability

The environmental sustainability of existing adsorbents in remediating chromium-contaminated water has long been plagued by the necessity of using chemical desorbents in regenerating the adsorbents. Here, we demonstrate that trivalent chromium can be repelled from surface-bound merocyanine upon visi...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2018-11, Vol.54 (9), p.1277-12773
Main Authors: Guan, Xiaoyu, Yan, Sunxian, Chang, Jinming, Yang, Gaofu, Fan, Haojun
Format: Article
Language:English
Subjects:
Adsorbents
Chromium
Light irradiation
Organic chemistry
Sustainability
Trivalent chromium
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Summary:The environmental sustainability of existing adsorbents in remediating chromium-contaminated water has long been plagued by the necessity of using chemical desorbents in regenerating the adsorbents. Here, we demonstrate that trivalent chromium can be repelled from surface-bound merocyanine upon visible-light irradiation, avoiding any chemical desorbent, and thus secondary contamination, to restore the adsorption capacity of the exhausted adsorbents. Trivalent chromium can be repelled from surface-bound merocyanine upon visible light irradiation, avoiding any chemical desorbent, and thus secondary contamination, to restore the adsorption capacity of the exhausted adsorbents.
ISSN:1359-7345
1364-548X
DOI:10.1039/c8cc08099b