@article{Wu-2021-Upcycling,
title = "Upcycling wildfire-impacted boreal peats into porous carbons that efficiently remove phenolic micropollutants",
author = "Wu, Yichen and
Zhang, Nan and
Lannoy, Charles‐Fran{\c{c}}ois de",
journal = "Journal of Environmental Chemical Engineering, Volume 9, Issue 4",
volume = "9",
number = "4",
year = "2021",
publisher = "Elsevier BV",
url = "https://gwf-uwaterloo.github.io/gwf-publications/G21-23001",
doi = "10.1016/j.jece.2021.105305",
pages = "105305",
abstract = "Activated carbons have been widely used for water treatment due to their large surface area and structural stability. Their high cost has motivated the development of sustainable bio-based sorbents. However, their industrial acceptance within the water industry is limited by lower surface areas and poorer adsorptive capacities as compared with commercial sorbents. We herein report a green, high performance porous carbon produced from boreal peats for organic micropollutant removal. Boreal peatlands are increasingly damaged due to climate change-induced wildfires and droughts, which lead to increased run-off and impeded forest regrowth. Fire-impacted peatland soils therefore were excavated and converted into value-added porous carbons through ZnCl 2 activation at low temperature (400 {--} 600 {\mbox{$^\circ$}}C). These products have significantly higher surface areas ({\textgreater} 1377 m 2 /g) than commercial activated carbon Norit GSX (965 m 2 /g). Adsorption of p -nitrophenol, a micropollutant, onto the porous carbons is efficient, and superior to that of Norit GSX and most sorbents reported in the literature. Adsorption mainly occurred through multi-layer chemisorption and was impacted by the electron donor-acceptor complexes mechanism, {\mbox{$\pi$}}-{\mbox{$\pi$}} interactions and steric effects. Because of the massive environmental and economic benefits, peat porous carbons are strong candidates for use in large-scale water treatment facilities. {\mbox{$\bullet$}} Simple and rapid synthesis of highly porous carbons from damaged peatland soils. {\mbox{$\bullet$}} Peat porous carbons exhibit extraordinary removal for p -nitrophenol ({\textgreater} 530 mg/g). {\mbox{$\bullet$}} Maximum adsorption capacity substantially greater than literature values. {\mbox{$\bullet$}} Boreal peat porous carbons are eco-friendly high-performance bio-based sorbents for market use.",
}
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<abstract>Activated carbons have been widely used for water treatment due to their large surface area and structural stability. Their high cost has motivated the development of sustainable bio-based sorbents. However, their industrial acceptance within the water industry is limited by lower surface areas and poorer adsorptive capacities as compared with commercial sorbents. We herein report a green, high performance porous carbon produced from boreal peats for organic micropollutant removal. Boreal peatlands are increasingly damaged due to climate change-induced wildfires and droughts, which lead to increased run-off and impeded forest regrowth. Fire-impacted peatland soils therefore were excavated and converted into value-added porous carbons through ZnCl 2 activation at low temperature (400 – 600 °C). These products have significantly higher surface areas (\textgreater 1377 m 2 /g) than commercial activated carbon Norit GSX (965 m 2 /g). Adsorption of p -nitrophenol, a micropollutant, onto the porous carbons is efficient, and superior to that of Norit GSX and most sorbents reported in the literature. Adsorption mainly occurred through multi-layer chemisorption and was impacted by the electron donor-acceptor complexes mechanism, π-π interactions and steric effects. Because of the massive environmental and economic benefits, peat porous carbons are strong candidates for use in large-scale water treatment facilities. \bullet Simple and rapid synthesis of highly porous carbons from damaged peatland soils. \bullet Peat porous carbons exhibit extraordinary removal for p -nitrophenol (\textgreater 530 mg/g). \bullet Maximum adsorption capacity substantially greater than literature values. \bullet Boreal peat porous carbons are eco-friendly high-performance bio-based sorbents for market use.</abstract>
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%0 Journal Article
%T Upcycling wildfire-impacted boreal peats into porous carbons that efficiently remove phenolic micropollutants
%A Wu, Yichen
%A Zhang, Nan
%A Lannoy, Charles‐François de
%J Journal of Environmental Chemical Engineering, Volume 9, Issue 4
%D 2021
%V 9
%N 4
%I Elsevier BV
%F Wu-2021-Upcycling
%X Activated carbons have been widely used for water treatment due to their large surface area and structural stability. Their high cost has motivated the development of sustainable bio-based sorbents. However, their industrial acceptance within the water industry is limited by lower surface areas and poorer adsorptive capacities as compared with commercial sorbents. We herein report a green, high performance porous carbon produced from boreal peats for organic micropollutant removal. Boreal peatlands are increasingly damaged due to climate change-induced wildfires and droughts, which lead to increased run-off and impeded forest regrowth. Fire-impacted peatland soils therefore were excavated and converted into value-added porous carbons through ZnCl 2 activation at low temperature (400 – 600 °C). These products have significantly higher surface areas (\textgreater 1377 m 2 /g) than commercial activated carbon Norit GSX (965 m 2 /g). Adsorption of p -nitrophenol, a micropollutant, onto the porous carbons is efficient, and superior to that of Norit GSX and most sorbents reported in the literature. Adsorption mainly occurred through multi-layer chemisorption and was impacted by the electron donor-acceptor complexes mechanism, π-π interactions and steric effects. Because of the massive environmental and economic benefits, peat porous carbons are strong candidates for use in large-scale water treatment facilities. \bullet Simple and rapid synthesis of highly porous carbons from damaged peatland soils. \bullet Peat porous carbons exhibit extraordinary removal for p -nitrophenol (\textgreater 530 mg/g). \bullet Maximum adsorption capacity substantially greater than literature values. \bullet Boreal peat porous carbons are eco-friendly high-performance bio-based sorbents for market use.
%R 10.1016/j.jece.2021.105305
%U https://gwf-uwaterloo.github.io/gwf-publications/G21-23001
%U https://doi.org/10.1016/j.jece.2021.105305
%P 105305
Markdown (Informal)
[Upcycling wildfire-impacted boreal peats into porous carbons that efficiently remove phenolic micropollutants](https://gwf-uwaterloo.github.io/gwf-publications/G21-23001) (Wu et al., GWF 2021)
ACL
- Yichen Wu, Nan Zhang, and Charles‐François de Lannoy. 2021. Upcycling wildfire-impacted boreal peats into porous carbons that efficiently remove phenolic micropollutants. Journal of Environmental Chemical Engineering, Volume 9, Issue 4, 9(4):105305.
