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Processes
Special Issues
Clean Energy Technology and CO2 Emission Control
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Clean Energy Technology and CO2 Emission Control

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Energy Systems".

Deadline for manuscript submissions: closed (15 May 2023) | Viewed by 1847

Special Issue Editors

Prof. Dr. Shetian Liu

E-Mail Website
Guest Editor
School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400700, China
Interests: R&D in heterogeneous catalysis, solid state chemistry, and green chemical processes: catalysis for hydrogen production and storage; combined heat and power processes based on fuel cell technologies; catalysis and process technologies for resource recovery from gas, liquid, and solid wastes; reaction and process coupling for the activation and conversion of light alkanes
Prof. Dr. Zhen Zhao

grade E-Mail Website
Guest Editor
1. Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang 110034, China;
2. State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
Interests: environmental catalysis, rare earth catalysis, petroleum refining and chemical catalysis and new catalytic materials
Prof. Dr. Mingsheng Luo

E-Mail Website
Guest Editor
Department of Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China
Interests: clean energy conversion (Fischer-Tropsch synthesis) and environmental protection (three wastes treatment) catalysis; nano-catalytic materials; green chemical process technology; catalytic pyrolysis of organic solid waste

Special Issue Information

Dear Colleagues,

  The control of greenhouse gas emissions and the mitigation of the global warming process has become a broad consensus in the global political, economic, and science and technology fields. The accumulation of greenhouse gases, especially CO2, in the atmosphere stems from the human overexploitation and excessive consumption of fossil energy. According to the BP Statistical Review of World Energy 2020 (BP Statistical Review of World Energy 2020 | 69th edition), the world total fossil energy consumption and CO2 emission reached 583.9 exajoules and 34169.0 million tons, respectively, in 2019. All renewable energy (excluding hydroelectricity and nuclear energy) amounts to only 5.0% of the total energy consumption. The amount of CO2 emission is still increasing at a rate of around 1% annually, which is about 340 million tons per annum. What kind of technologies or processes could offer a capability to consume such a huge amount of CO2? Chemical fixation, storage in abandoned oil wells, or just waiting until it is adsorbed in the ocean? Who will pay for that CO2 capture and processing? The problem seems not to be as simple as expected, and the challenge is the mismatch between the scale of emissions and the scale of elimination. Effective routes for the reduction of CO2 emission include using both fossil fuels and renewable energy in more efficient ways and increasing energy production from renewable resources. Chemical fixation or production of chemicals from CO2 may find opportunities where CO2 could be easily and economically available, but those processes could be insignificant in reducing CO2 emissions because of the scale limitation of the market for the CO2-derived products.

  The 3rd National Conference on Energy and Environmental Science and Technology held in Chongqing, China on 23–26 April 2021 has the theme of “Energy and Environmental Technology in the New Era”, aiming to discuss the current energy and environment issues in wide disciplinary fields covering technologies for energy production, conversion, storage, and utilization, as well as related environmental issues. This Special Issue will collect papers extended from the abstracts of the meeting presentations. Papers related but not limited to the following topics are highly recommended for submission.

  • Clean fuel production from fossil resources;
  • Hydrogen production and fuel cell technologies;
  • CO2 fixation using renewable energy or resources;
  • CO2 capture and conversion technology;
  • Catalysis for biomass conversion and utilization;
  • Catalysis technologies for resource recovery.

Prof. Dr. Shetian Liu
Prof. Dr. Zhen Zhao
Prof. Dr. Mingsheng Luo
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. Processes 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 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

  • clean fuels production from fossil resources
  • hydrogen production and fuel cell technologies
  • CO2 fixation using renewable energy or resources
  • CO2 capture and conversion technology
  • catalysis for biomass conversion and utilization
  • catalysis technologies for resource recovery

Published Papers (1 paper)

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Research

15 pages, 2655 KiB  
Article
NiO-MgO Prepared by the Complex-Decomposition Method as a Catalyst for Carbon Dioxide Reforming of Methane
by Ying Wang, Bin Li, Yong-Shan Xiao and Zhong-Wen Liu
Processes 2023, 11(2), 596; https://0-doi-org.brum.beds.ac.uk/10.3390/pr11020596 - 16 Feb 2023
Cited by 2 | Viewed by 1168
Abstract
The NiO-MgO solid solution has been proven to be an efficient catalyst for the carbon dioxide reforming of methane (CRM). However, the challenge is still there for the facilely controlled synthesis of the single-phase solid solution with the uniform composition, and the interactions [...] Read more.
The NiO-MgO solid solution has been proven to be an efficient catalyst for the carbon dioxide reforming of methane (CRM). However, the challenge is still there for the facilely controlled synthesis of the single-phase solid solution with the uniform composition, and the interactions between NiO and MgO are not consistently correlated with the CRM performance. To address these issues, in this work, the complex-decomposition method was applied to regulate the chemical and structural properties of NiO-MgO catalysts via simply changing the complexing agent, calcination temperature, and Ni/Mg molar ratio. The catalysts were comparatively evaluated for CRM under severe reaction conditions of 750 °C, 0.1 MPa, CH4/CO2 = 1, and a gas hourly space velocity of 60000 mL·g−1·h−1. Irrespective of the complexing agents investigated, NiO-MgO solid solution was exclusively formed. However, the structural and reductive properties of the NiO-MgO catalysts were strongly dependent on the complexing agent, which is reasonably explained as the varied coordinative capabilities of the complexing agent with the metal cations. Moreover, the highest CRM performance, i.e., the initial CH4 conversion of ~86% kept constant for a time-on-stream of 20 h, was achieved over the Ni0.1Mg0.9O catalyst by using glycine as the complexing agent and calcined at 800 °C. The characterization and CRM results vigorously confirmed that a good balance between the sintering and the in situ release of active metallic Ni under CRM reaction conditions was constructed over the NiO-MgO catalyst prepared using glycine as the complexing agent, leading to its highest stability. Considering the simple procedure of the complex-decomposition method and the convenient adjustment of the NiO and MgO interactions by simply changing the complexing agent and calcination temperature, the thus developed catalyst can be applied for extensive understanding the CRM mechanism, and extended for large-scale preparation. Full article
(This article belongs to the Special Issue Clean Energy Technology and CO2 Emission Control)
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