Graphene oxide-mediated rapid dechlorination of carbon tetrachloride by green rust
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Graphene oxide-mediated rapid dechlorination of carbon tetrachloride by green rust. / Huang, Lizhi; Hansen, Hans Chr. Bruun; Daasbjerg, Kim.
I: Journal of Hazardous Materials, Bind 323, Nr. Part B, 2017, s. 690-697.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Graphene oxide-mediated rapid dechlorination of carbon tetrachloride by green rust
AU - Huang, Lizhi
AU - Hansen, Hans Chr. Bruun
AU - Daasbjerg, Kim
N1 - Copyright © 2016. Published by Elsevier B.V.
PY - 2017
Y1 - 2017
N2 - Graphene-based nanomaterials can mediate environmentally relevant abiotic redox reactions of chlorinated aliphatic hydrocarbons. In this study as low amounts as ∼0.007 % of graphene oxide (GO) was found to catalyze the reduction of carbon tetrachloride by layered Fe(II)-Fe(III) hydroxide (Green Rust, GR) in aqueous solutions with chloroform being the reduction product. On the basis of sorption studies of carbon tetrachloride onto the GO surface it is suggested that it is the amphiphilicity of GO, which initiates the reaction by providing a suitable reaction platform for the reagents. This study indicates that traces of graphene oxide can affect reaction pathways as well as kinetics for dechlorination processes in anoxic sediments by facilitating a partial dechlorination.
AB - Graphene-based nanomaterials can mediate environmentally relevant abiotic redox reactions of chlorinated aliphatic hydrocarbons. In this study as low amounts as ∼0.007 % of graphene oxide (GO) was found to catalyze the reduction of carbon tetrachloride by layered Fe(II)-Fe(III) hydroxide (Green Rust, GR) in aqueous solutions with chloroform being the reduction product. On the basis of sorption studies of carbon tetrachloride onto the GO surface it is suggested that it is the amphiphilicity of GO, which initiates the reaction by providing a suitable reaction platform for the reagents. This study indicates that traces of graphene oxide can affect reaction pathways as well as kinetics for dechlorination processes in anoxic sediments by facilitating a partial dechlorination.
U2 - 10.1016/j.jhazmat.2016.10.038
DO - 10.1016/j.jhazmat.2016.10.038
M3 - Journal article
C2 - 27776856
VL - 323
SP - 690
EP - 697
JO - Journal of Hazardous Materials
JF - Journal of Hazardous Materials
SN - 0304-3894
IS - Part B
ER -
ID: 168884096