Functional Materials for CO2 and Hg0 Removal

A special issue of Separations (ISSN 2297-8739). This special issue belongs to the section "Separation Engineering".

Deadline for manuscript submissions: closed (10 April 2024) | Viewed by 1296

Special Issue Editor


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Guest Editor
School of Energy and Power Engineering, Jiangsu University, Zhenjiang, China
Interests: functional materials for energy and environmental applications; combustion pollutant control; molten salt synthesis and pyrolysis

Special Issue Information

Dear Colleagues,

Functional materials, including carbon and non-carbon materials, exhibit strong adsorption affinities for a wide range of gaseous pollutants, including CO2, H2S, NO, SO2, VOCs, and volatile heavy metals. The heterogeneous interactions of such pollutants with functional materials may result in strong or weak bindings that can significantly affect the environmental fate of gaseous pollutants and their remediation rates. The underlying physical and chemical phenomena potentially responsible for these heterogeneous interactions of pollutants with functional materials are of great importance.

This Special Issue on “Functional Materials for CO2 and Hg0 removal” mainly aims to stimulate the development of novel functional materials for the removal of gaseous pollutants and to address the following challenges. This Special Issue will include but not be limited to:

  • The synthesis and application of carbon and noncarbon materials;
  • Novel methods or techniques for synthesizing functional materials;
  • Functional materials for the removal of CO2 and Hg0 from flue gas;
  • Functional materials for the removal of VOCs, H2S, NO, SO2, As, Se, Pb, etc.;
  • Adsorptive, thermocatalytic, photocatalytic, and electrochemical removal of gaseous pollutants.

Dr. Dongjing Liu
Guest Editor

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Keywords

  • functional material
  • nanomaterial
  • carbon capture
  • desulfurization
  • mercury removal
  • flue gas cleaning

Published Papers (1 paper)

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Research

10 pages, 3379 KiB  
Communication
CO2 Adsorption by Bamboo Biochars Obtained via a Salt-Assisted Pyrolysis Route
by Xing Xie, Mangmang Li, Dan Lin, Bin Li, Chaoen Li and Dongjing Liu
Separations 2024, 11(2), 48; https://doi.org/10.3390/separations11020048 - 06 Feb 2024
Viewed by 1143
Abstract
Recently, salt-assisted pyrolyzation has been deemed an emerging and efficient method for the preparation of biochars due to its facile operation as well as its good structural and chemical properties. In this work, biochars (MBCx) are prepared by heating bamboo powders [...] Read more.
Recently, salt-assisted pyrolyzation has been deemed an emerging and efficient method for the preparation of biochars due to its facile operation as well as its good structural and chemical properties. In this work, biochars (MBCx) are prepared by heating bamboo powders in eutectic salts (Li2CO3 + K2CO3) at 500–600 °C in the air. Multiple technologies are employed to examine the physiochemical properties of bamboo biochars. Correlations between heating temperature and structural features and carbon dioxide uptakes of bamboo biochars have been investigated. The results show that heating temperature has a significant influence on the physicochemical properties of bamboo biochars. With the elevation of the heating temperature, the defect structures of bamboo biochars gradually ascend, especially when the heating temperature reaches 600 °C. MBCx biochars visibly exceed conventional bamboo biochar prepared via pyrolyzation in a nitrogen stream free of salt addition. Pyrolysis of bamboo in eutectic salts endows biochars with higher oxygen content and more carbon defects, which likely accounts for their better CO2 capture activities. Full article
(This article belongs to the Special Issue Functional Materials for CO2 and Hg0 Removal)
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