Catalysts in Transportation, Storage and Energy Systems

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

Deadline for manuscript submissions: closed (10 October 2021) | Viewed by 2956

Special Issue Editors


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1. Department of Mechanics Mathematics and Management, Polytechnic University of Bari, Bari, Italy
2. Tenure-Track Assistant Professor at the University of Foggia, Foggia, Italy
Interests: NOx abatement; gasification; photocatalyst; energy storage; computational fluid dynamics

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Guest Editor
DMMM, Polytechnic University of Bari, 70125 Bari, Italy
Interests: pumps as turbines; turbomachinery; energy systems; hydrogen; OWC
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Guest Editor
Department of Mechanics Mathematics and Management, Polytechnic University of Bari, 70126 Bari, Italy
Interests: gas turbines; combustion; wave energy; wind turbine
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Engineering, University of Basilicata, Potenza, Italy
Interests: incompressible and compressible fluid mechanics; turbulent reacting flows; sprays; combustion modelling; thermal engines; CFD

Special Issue Information

Dear Colleagues,

Zero CO2 balance and pollutant reduction represent the main objectives for sustainability.  In the coming years, the overview of the energy conversion scenario is likely to be far from carbon- and pollutant-free, mainly due to the increasing energy demand and the insufficient renewable energy quota. Hence, the transition to more sustainable energy conversion/storage processes is strictly connected to the improvements in catalyst technologies. Carbon capture, NOx abatement, improvements in the gasification of waste, and the optimization of H2 production are the main objectives that can drive the transition to more sustainable energy conversion for transportation, storage and energy systems. In this context, complex physical and chemical processes are involved, whose comprehension is far from being fully understood and controlled.  Among others, new materials, continuously reacting flow modeling, thermal storage’s influence on catalytic converters, and photocatalysts have been recently investigated by scientists and engineers. 

This Special Issue aims to cover, by means of experimental, numerical and theoretical approaches, the application of catalysts in applied energy technologies to improve the sustainability of energy conversion processes. In this context, contributions on the post-treatment of combustion exhausts and catalysts applied to energy conversion systems are welcomed.

Dr. Francesco Francesco Fornarelli
Prof. Dr. Marco Torresi
Prof. Dr. Sergio Camporeale
Prof. Dr. Vinicio Magi
Guest Editors

Manuscript Submission Information

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Keywords

  • post-treatment combustion exhaust
  • NOx abatement
  • gasification
  • photocatalyst
  • energy storage
  • H2 production
  • energy systems
  • transportation

Published Papers (1 paper)

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Research

16 pages, 48632 KiB  
Article
Stable Performance of Supported PdOx Catalyst on Mesoporous Silica-Alumina of Water Tolerance for Methane Combustion under Wet Conditions
by Minseok Kim, Suhyun Lim, Chansong Kim, Chae-Ho Shin, Joon Hyun Baik and Young-Woong Suh
Catalysts 2021, 11(6), 670; https://doi.org/10.3390/catal11060670 - 24 May 2021
Cited by 2 | Viewed by 2211
Abstract
In methane combustion, water tolerance of Pd-based catalysts is quite critical for stable performance, because water is produced in situ and a water-containing feed is used under real conditions. Herein, water-tolerant mesoporous silica-alumina (H-MSA) was prepared by solvent deficient precipitation (SDP) using triethoxy(octyl)silane [...] Read more.
In methane combustion, water tolerance of Pd-based catalysts is quite critical for stable performance, because water is produced in situ and a water-containing feed is used under real conditions. Herein, water-tolerant mesoporous silica-alumina (H-MSA) was prepared by solvent deficient precipitation (SDP) using triethoxy(octyl)silane (TEOOS) and aluminum isopropoxide (AIP). The H-MSA was more tolerant to water than γ-alumina, mesoporous alumina (MA), and mesoporous silica-alumina (MSA) synthesized by using tetraethyl orthosilicate (TEOS), because of the silica present on the external particle surface. Moreover, it exhibited better textural properties, leading to higher dispersion of PdOx. The PdOx catalyst supported on H-MSA was quite durable in repeated temperature-programmed cycles and isothermal tests in the presence of water vapor, compared to the reference PdOx catalysts. The measured stability was attributed to the water tolerance, weak Lewis acidity, and penta-coordinated Al species of the H-MSA support, which was preferentially imparted when TEOOS was added for substitution of 5 mol% AIP for the synthesis of H-MSA. Therefore, the SDP method employed herein is useful in endowing supported PdOx catalysts with the water tolerance necessary for stable methane combustion performance under wet conditions. Full article
(This article belongs to the Special Issue Catalysts in Transportation, Storage and Energy Systems)
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