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Journals
Catalysts
Special Issues
Catalysis for Clean Energy and a Sustainable Environment
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Catalysis for Clean Energy and a Sustainable Environment

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Catalysis for Sustainable Energy".

Deadline for manuscript submissions: closed (10 May 2022) | Viewed by 5726

Special Issue Editor

Dr. Dongting Yue

E-Mail Website
Guest Editor
Shanghai Applied Radiation Institute, Shanghai University, Shanghai 200444, China
Interests: photocatalysis; Fenton catalysis; clean energy; environmental protection

Special Issue Information

Dear Colleagues,

The considerable growth in energy demands and limited fossil fuel sources, together with environmental concerns, have necessitated the study of renewable, green and sustainable energy sources. The Special Issue “Catalysis for Clean Energy and a Sustainable Environment” represents a tremendous opportunity to address these problems. Catalysis is gaining importance in the conversion of liquid and or gaseous fuels into sustainable energy for industrial application. The current catalytic technologies for clean energy need further progress in catalyst development and integration, cost reduction and to meet requirements for environmental friendliness to eventually gain general customer acceptance. In addition, due to the significant progress in environmental catalysis achieved over the last two decades, the pathway for innovation in science has become more challenging and now relies on numerous disciplines. New catalytic processes characterized by environmental sustainability can be directly applied in various applications or as a sustainable energy carrier. These above studies can allow defining catalysis as a central technology for improving the quality of life and ensuring a sustainable future.

Dr. Dongting Yue
Guest Editor

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. Catalysts is an international peer-reviewed open access monthly 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 2700 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

  • green catalytic synthesis
  • catalysis for clean energy
  • green energy production
  • environmental catalysis
  • advanced oxidation processes

Published Papers (2 papers)

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Research

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21 pages, 3260 KiB  
Article
De-Escalation of Saccharification Costs through Enforcement of Immobilization of Cellulase Synthesized by Wild Trichoderma viride
by Subramanian Ramalingam and Dhanashekar Revathi
Catalysts 2022, 12(6), 659; https://doi.org/10.3390/catal12060659 - 15 Jun 2022
Cited by 2 | Viewed by 1613
Abstract
The economic uncertainty associated with cellulosic bioethanol can be overcome through the inclusion of cheap substrates and methodologies that can extend the shelf life of cellulolytic enzymes. In this study, wild Trichoderma viride was used to produce cellulases, media formulation studies were conducted [...] Read more.
The economic uncertainty associated with cellulosic bioethanol can be overcome through the inclusion of cheap substrates and methodologies that can extend the shelf life of cellulolytic enzymes. In this study, wild Trichoderma viride was used to produce cellulases, media formulation studies were conducted to enhance the cellulase production further and immobilization strategies were tested for stable cellulase–iron oxide magnetic nanoparticle coupling. Out of the seven different production media designed, media containing glucose, wheat bran, cellulose and corn steep liquor supported the highest biomass growth (60 Packed cell volume) and cellulase formation (7.4 U/mL), and thus was chosen for the fiscal analysis at a larger scale (1000 m3). The profitability of the cellulase production process was assessed to be 20.86%, considering both the capital expenditure and operating expenses. Further, the effect of cost of different carbon sources, nitrogen sources and cellulase yields on the annual operating costs was explored, which led to the choice of delignified sugarcane bagasse, corn steep liquor and productivity levels to be respective decisive factors of the overall cost of the cellulase production. Likewise, the break-even period of such a large-scale operation was gauged given the market price of cellulases at USD 17 for 105 U of cellulases. Moreover, enzyme immobilization led to enhanced cellulase shelf life and ultimately contributed toward saccharification cost reduction. Full article
(This article belongs to the Special Issue Catalysis for Clean Energy and a Sustainable Environment)
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Review

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20 pages, 5295 KiB  
Review
Photocatalytic Reactor as a Bridge to Link the Commercialization of Photocatalyst in Water and Air Purification
by Yunzhang Li, Youjia Ma, Kan Li, Suhong Chen and Dongting Yue
Catalysts 2022, 12(7), 724; https://doi.org/10.3390/catal12070724 - 30 Jun 2022
Cited by 8 | Viewed by 3532
Abstract
The development of clean and sustainable teleology is vital to treat the critical environmental pollutants. In the last decade, the use of photocatalytic reactors has been widely reported for organic pollutants degradation. From photocatalysis’s application in environmental remediation, the primary technical issue to [...] Read more.
The development of clean and sustainable teleology is vital to treat the critical environmental pollutants. In the last decade, the use of photocatalytic reactors has been widely reported for organic pollutants degradation. From photocatalysis’s application in environmental remediation, the primary technical issue to scientists is always the efficiency. The enhanced photocatalytic efficiency is mainly depended on the materials improvement. However, the design of photoreactors lags behind the development of photocatalysts, which strongly limit the widespread use of photocatalysis technology in environmental remediation. The nanoparticles separation, mass transfer limitation, and photonic efficiency have always been problematic and restrict the high photocatalytic efficiency of photoreactors. To overcome these bottleneck problems, the most popular or newfangled designs of photoreactors employed in air and water treatment has been reviewed. The purpose of this review is to systematize designs and synthesis of innovative TiO2-based photoreactors and provides detailed survey and discussion on the enhanced mechanism of photocatalytic performance in different TiO2-based photoreactors. The most studied photoreactors are the following: packed bed reactor, film reactor and membrane reactor, which have some limitations and advantages. A comprehensive comparison between the different photocatalytic performance of TiO2-based photoreactors is presented. This work aims to summarize the progress of TiO2-based photoreactors and provides useful information for the further research and development of photocatalysis for water and air purification. Full article
(This article belongs to the Special Issue Catalysis for Clean Energy and a Sustainable Environment)
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