Nitrogen and sulfur co-doping carbon in different dimensions as electrode for supercapacitor applications

F Liu, J Niu, X Chuan, Y Zhao - Journal of Alloys and Compounds, 2023 - Elsevier
At present, the designs of carbon nanomaterials are indispensable to fulfill the growing
demand for high energy and power density of energy storage devices. Heteroatom-doped …

Biomass Valorization to Produce Porous Carbons: Applications in CO2 Capture and Biogas Upgrading to Biomethane—A Mini-Review

M Bernardo, N Lapa, I Fonseca… - Frontiers in Energy …, 2021 - frontiersin.org
Porous carbon materials, derived from biomass wastes and/or as by-products, are
considered versatile, economical and environmentally sustainable. Recently, their high …

Efficient removal of Cr (VI) by the modified biochar with chitosan schiff base and MnFe2O4 nanoparticles: Adsorption and mechanism analysis

L Yan, W Guo, B Huang, Y Chen, X Ren, Y Shen… - Journal of …, 2023 - Elsevier
Cr (VI) contained the characteristic of water solubility, mobility and cell permeability in
aqueous solution. As a result, the treatment of Cr (VI) in aqueous solution was very …

N-doped biochar from chitosan gel-like solution: Effect of hydrothermal temperature and superior aqueous Cr (VI) removal performance

L Luo, S Cheng, L Yue, Z You, J Cai - Colloids and Surfaces A …, 2022 - Elsevier
N-doped biochar was prepared by gel-like chitosan solution via hydrothermal carbonization
followed by low-temperature oxidation, where the effect of hydrothermal temperature on the …

Template synthesis of sulfur-doped mesoporous carbon for efficiently removing gas-phase elemental mercury from flue gas

Q Zhou, G Di, T Song, P Lu, G Xu - Fuel, 2022 - Elsevier
Sulfur doped mesoporous carbon (SMC) was synthesized by using template method for
efficiently removing gas-phase elemental mercury from flue gas. MCM-41 was used as …

Highly porous egg white/polyethyleneimine hydrogel for rapid removal of heavy metal ions and catalysis in wastewater

CB Godiya, SM Sayed, Y Xiao, X Lu - Reactive and Functional Polymers, 2020 - Elsevier
The water pollution caused by the heavy metal ions have raised potent damages to the
water ecosystem and human health. It is thus important to develop materials that can capture …

N-containing biochar from oatmeal: hydrothermal synthesis and used as highly efficient adsorbent for Cr (VI) adsorptive-reduction removal

Z Zhou, Y Bu, X Long, J Cai - Biomass Conversion and Biorefinery, 2024 - Springer
N-containing biochar from oatmeal was produced by co-pyrolysis of hydrochar, ZnCl2, and
FeCl3, showing well-developed pores with surface areas of 2744 m2/g and N species of 5.4 …

Egg shell waste as an activation agent for the manufacture of porous carbon

Y Shi, G Liu, M Li, L Wang - Chinese Journal of Chemical Engineering, 2020 - Elsevier
Egg shell waste was used as an activation agent directly for the manufacture of a biomass-
derived porous carbon, which possessed a surface area of 626 m 2· g− 1 and was rich in …

[PDF][PDF] Outlook on the carbon-based materials for heavy metal removal

H Ibrahim, N Sazali, WNW Salleh… - … Res Appl Chem, 2022 - biointerfaceresearch.com
Carbon-based materials, including graphene (GR), carbon nanotubes (CNTs), activated
carbon, and biochar, are the most common materials often applied to separate heavy metals …

Enhanced removal of Cd (II) from aqueous solution by EDTA functionalized three-dimensional magnetic nitrogen-doped porous carbon

T Zhang, C Li, W Shi, Y Zhu, Y Chen, Y Nie… - … Science and Pollution …, 2021 - Springer
In this paper, three-dimensional magnetic nitrogen-doped porous carbon modified by EDTA
(N-MPC-EDTA) was successfully prepared by two-step method with lignin as the precursor …