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Sustainability
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The Role of Catalyst in Environmental Pollution Purification
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The Role of Catalyst in Environmental Pollution Purification

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Environmental Sustainability and Applications".

Deadline for manuscript submissions: closed (15 June 2023) | Viewed by 1303

Special Issue Editors

Prof. Dr. Gaoke Zhang

E-Mail Website
Guest Editor
School of Resource and Environmental Engineering, Wuhan university of technology, Wuhan 430070, China
Interests: new technologies for water treatment; porous materials; photocatalytic materials; new environmental catalytic materials; evaluation of new environmental materials; applications of nanomaterials.
Dr. Yuan Li

E-Mail Website
Guest Editor
School of Resource and Environmental Engineering, Wuhan university of technology, Wuhan 430070, China
Interests: photocatalytic materials; new catalytic materials for water treatment; nanomaterials for energy conversion.
Dr. Junting Wang

E-Mail Website
Guest Editor
School of Resource and Environmental Engineering, Wuhan university of technology, Wuhan 430070, China
Interests: photocatalytic materials; new catalytic materials for water treatment; nanomaterials for energy conversion.

Special Issue Information

Dear Colleagues,

Environmental issues have become a topic of concern to the world. How to reduce pollution, protect ecological balance, and solve environmental problems has attracted great attention. In current age, with the acceleration of industrialization, numerous wastewater and exhaust gas are discharged into the environment, which contain a large amount of toxic organic pollutants, posing a great threat to human health.  

Catalytic technology plays an important role for purification of environmental pollutants. In general, catalytic technologies for purification of environmental pollutants include photocatalytic technique, electrocatalytic technique and other catalytic techniques. This Special Issue is collecting research papers aimed at catalytic purification of environmental pollutants: wastewater degradation by novel catalysts or composite catalysts, VOCs and other air pollutants degradation by novel catalysts or composite catalysts, novel catalysts for energy conversion to indirectly reduce environmental pressure; pollution control, the environmental impact of catalytic technologies, and advanced environmental materials. Impacts of hazardous catalysts or materials on environmental quality are also welcome. Papers adsorption of heavy metal ions by novel materials for control water body quality also fall within the scope of this Special Issue. Contributions describing novel and significant knowledge, scientific results, and advanced applications in the field of environmental sciences and technology are also welcome. This Special Issue provides an integrated view of the trends in solving the problems associated with the achievement of sustainability in catalytic environmental technology.

The Special Issue will publish experimental and review papers, as well as short communications, discussing recent novel catalytic materials for purification of environmental pollutants. The topics of the papers to be submitted to this Special Issue are defined by the keywords presented below.

I/We look forward to receiving your contributions.

Prof. Dr. Gaoke Zhang
Dr. Yuan Li
Dr. Junting Wang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • sustainability
  • environmental pollutants
  • catalyst
  • organic pollutants degradation
  • VOCs degradation
  • CO2 reduction
  • H2 generation
  • composite materials
  • heavy metal adsorption

Published Papers (1 paper)

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Research

13 pages, 2647 KiB  
Article
Enhancing the Immobilization of Hexavalent Chromium by the Interlayer Anion Adsorption of the Brucite-Transformed LDH in the Presence of Aluminum Ions
by Xiaoduo Chen, Lianyang Huang, Zheng Li, Binfeng Chen, Menglu Zhang, Chunshan Wu, Pengchen Ma and Weifang Zhang
Sustainability 2023, 15(14), 11173; https://doi.org/10.3390/su151411173 - 18 Jul 2023
Cited by 1 | Viewed by 929
Abstract
Current studies of chromium adsorption kinetics at the solid–liquid interface often neglect the influence of coexisting ions in complex wastewaters. Thus, it is critical to explore the hexavalent chromium Cr(VI) adsorption kinetics of solid-phase brucite (Mg(OH)2) in liquid-phase wastewater containing coexisting [...] Read more.
Current studies of chromium adsorption kinetics at the solid–liquid interface often neglect the influence of coexisting ions in complex wastewaters. Thus, it is critical to explore the hexavalent chromium Cr(VI) adsorption kinetics of solid-phase brucite (Mg(OH)2) in liquid-phase wastewater containing coexisting aluminum ions (Al(III)). This paper reveals that the presence of Al(III) significantly enhanced the Cr(VI) adsorption efficiency onto Mg(OH)2, with a peak of up to 91% compared to 5% for the absence of Al(III). The main reason for this enhancement was the initial surface ternary complexation of Mg(OH)2 and the cationic (Al(III)) isomorphic substitution to form Mg(II)-Al(III) layered double hydroxides (LDH), which also indicates a solid-phase transition on the surface of Mg(OH)2, which led to electrostatic adsorption in the gallery and made Cr(VI) immobilized and not readily released. Further calculation and analysis of the adsorption energy confirmed the mechanism of Cr(VI) adsorption. It was also concluded that Cr(VI) migration in Mg(OH)2-containing minerals was affected by the phase transformation of solids in the presence of Al(III). Hence, this study not only reveals the adsorption mechanism during the treatment of composite pollutant wastewater but also provides the methodological reference for brucite synergistic adsorption to remove heavy metal ions and purify and treat complex polluted wastewater. Full article
(This article belongs to the Special Issue The Role of Catalyst in Environmental Pollution Purification)
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