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117 Results Found

  • Article
  • Open Access
594 Views
36 Pages

1 July 2025

A thorough understanding of fuel behaviour is essential for designing and operating thermochemical systems. Thermogravimetric analysis (TGA) is among the most widely used fuel characterization methods, offering parameters like reactivity and ignition...

  • Review
  • Open Access
29 Citations
10,315 Views
38 Pages

Hydrogen Purification Technologies in the Context of Its Utilization

  • Anna Król,
  • Monika Gajec,
  • Jadwiga Holewa-Rataj,
  • Ewa Kukulska-Zając and
  • Mateusz Rataj

1 August 2024

This publication explores current and prospective methods for hydrogen production and purification, with a strong emphasis on membrane-based technologies for purification and separation. This focus is justified by the ongoing shift towards renewable...

  • Article
  • Open Access
11 Citations
2,272 Views
10 Pages

Organic Petrographical Features of Fly Ashes Originating from Coal and Coal-SRF Co-Combustion

  • Małgorzata Wojtaszek,
  • Ryszard Wasielewski and
  • Stavros Kalaitzidis

28 January 2021

In this study, the features of fly ashes originating from industrial-scale high volatile bituminous coal combustion and co-combustion of coal with 10% admixture of alternative fuel SRF (solid recovered fuel) are presented, with emphasis on the organi...

  • Review
  • Open Access
4 Citations
6,664 Views
42 Pages

Performance Evaluation of Pressure Swing Adsorption for Hydrogen Separation from Syngas and Water–Gas Shift Syngas

  • Aleksander Krótki,
  • Joanna Bigda,
  • Tomasz Spietz,
  • Karina Ignasiak,
  • Piotr Matusiak and
  • Daniel Kowol

8 April 2025

Hydrogen (H2) is a key energy carrier and industrial feedstock, with growing interest in its production from syngas and water–gas shift (WGS) syngas. Effective purification methods are essential to ensure high hydrogen purity for various applic...

  • Review
  • Open Access
1 Citations
1,155 Views
33 Pages

1 April 2025

This critical review evaluates chemical looping combustion using a syngas derived from gasified biomass (BMD Syngas). It is anticipated that establishing such a process will open new opportunities for CO2 sequestration and the use of highly concentra...

  • Review
  • Open Access
28 Citations
6,899 Views
37 Pages

12 November 2022

The development of low-carbon fuels from renewable resources is a key measure to reduce carbon dioxide emissions and mitigate climate change. Biomass gasification with subsequent gas processing and purification is a promising route to produce low-car...

  • Feature Paper
  • Review
  • Open Access
1 Citations
2,213 Views
20 Pages

2 July 2025

Ammonia is increasingly recognised as a promising carbon-free fuel and hydrogen carrier due to its high hydrogen content, ease of liquefaction, and existing global infrastructure. However, its direct utilisation in combustion systems poses significan...

  • Article
  • Open Access
2,071 Views
35 Pages

27 June 2025

This article examines the energy efficiency and climate impact of various heating methods commonly employed across industrial sectors. Fossil fuel combustion heat sources, which are predominantly employed for industrial heating, contribute significan...

  • Article
  • Open Access
68 Citations
17,335 Views
19 Pages

Cost Analysis of Direct Methanol Fuel Cell Stacks for Mass Production

  • Mauro Francesco Sgroi,
  • Furio Zedde,
  • Orazio Barbera,
  • Alessandro Stassi,
  • David Sebastián,
  • Francesco Lufrano,
  • Vincenzo Baglio,
  • Antonino Salvatore Aricò,
  • Jacob Linder Bonde and
  • Michael Schuster

30 November 2016

Fuel cells are very promising technologies for efficient electrical energy generation. The development of enhanced system components and new engineering solutions is fundamental for the large-scale deployment of these devices. Besides automotive and...

  • Review
  • Open Access
63 Citations
17,945 Views
25 Pages

Recent Advances on Alternative Aviation Fuels/Pathways: A Critical Review

  • Nikolaos Detsios,
  • Stella Theodoraki,
  • Leda Maragoudaki,
  • Konstantinos Atsonios,
  • Panagiotis Grammelis and
  • Nikolaos G. Orfanoudakis

14 February 2023

The Paris Agreement’s objectives related to climate change put aviation under great pressure and environmental inspection. In particular, the aviation industry is committed to achieving a 50% reduction in CO2 emissions by 2050 compared to 2005...

  • Article
  • Open Access
1,575 Views
18 Pages

3 March 2025

While ammonia offers several benefits as an alternative fuel, its adoption poses significant technical and economic challenges, particularly with respect to onboard storage and handling. To facilitate the large-scale deployment of ammonia in marine a...

  • Case Report
  • Open Access
9 Citations
3,760 Views
20 Pages

9 July 2024

Recycling plastics on an industrial scale is a key approach to the circular economy. This study presents a techno-economic analysis aimed at recycling polypropylene waste, one of the main consumer plastics. Specifically, it evaluates the technical an...

  • Article
  • Open Access
18 Citations
3,501 Views
26 Pages

14 November 2022

The survival of humans depends on both natural and manufactured surroundings. Though most people spend their time indoors, there are constantly new challenges to address, and air pollution is one of them. This research considered both outdoor and ind...

  • Article
  • Open Access
14 Citations
6,319 Views
21 Pages

Production of Sustainable Aviation Fuels from Lignocellulosic Residues in Brazil through Hydrothermal Liquefaction: Techno-Economic and Environmental Assessments

  • Raquel de Souza Deuber,
  • Jéssica Marcon Bressanin,
  • Daniel Santos Fernandes,
  • Henrique Real Guimarães,
  • Mateus Ferreira Chagas,
  • Antonio Bonomi,
  • Leonardo Vasconcelos Fregolente and
  • Marcos Djun Barbosa Watanabe

15 March 2023

Decarbonization of the aviation sector relies on deployment of sustainable aviation fuels (SAF) at commercial scale. Hydrothermal liquefaction (HTL) has been recognized as a promising technology to help supply the increasing projected SAF demand. Hig...

  • Review
  • Open Access
12 Citations
6,183 Views
17 Pages

Climate Change, Social Work, and the Transition Away from Fossil Fuels: A Scoping Review

  • Lisa Reyes Mason,
  • Colleen Cummings Melton,
  • Darian Gray and
  • Andrea L. Swallow

9 June 2022

Climate change is a crisis in our midst. This scoping review examines practices to transition away from fossil fuels in the social work literature, to inform social work engagement in climate mitigation and in support of the United Nations Sustainabl...

  • Article
  • Open Access
11 Citations
5,384 Views
14 Pages

Evaluation of CO2 Hydrogenation in a Modular Fixed-Bed Reactor Prototype

  • Heather D. Willauer,
  • Matthew J. Bradley,
  • Jeffrey W. Baldwin,
  • Joseph J. Hartvigsen,
  • Lyman Frost,
  • James R. Morse,
  • Felice DiMascio,
  • Dennis R. Hardy and
  • David J. Hasler

26 August 2020

Low-cost iron-based CO2 hydrogenation catalysts have shown promise as a viable route to the production of value-added hydrocarbon building blocks. It is envisioned that these hydrocarbons will be used to augment industrial chemical processes and prod...

  • Article
  • Open Access
12 Citations
3,776 Views
21 Pages

11 May 2022

A new assessment tool for evaluating decarbonization technologies that considers each technology’s sustainability, security, affordability, readiness, and impact for a specific country is proposed. This tool is applied to a set of decarbonizati...

  • Article
  • Open Access
2 Citations
957 Views
16 Pages

Grindability Features of Torrefied Biomass

  • Mateusz Tymoszuk,
  • Joanna Wnorowska and
  • Sylwester Kalisz

4 April 2025

Economic and legal conditions of the European power industry enforce higher participation of biomass in the thermal energy mix per power unit, due to the necessity of carbon dioxide emission reduction. One of the most important features dictating the...

  • Article
  • Open Access
7 Citations
3,894 Views
18 Pages

Physicochemical Upgrading of a Biodetergent for Application in the Industrial Energy Sector

  • Charles Bronzo B. Farias,
  • Rita de Cássia F. Soares da Silva,
  • Fabíola Carolina G. Almeida,
  • Attilio Converti,
  • Valdemir A. dos Santos and
  • Leonie A. Sarubbo

10 January 2022

In the industries across the petroleum chain and those involved in energy generation, the use of petroderivatives as fuel oils is common. To clean parts, equipment and environments contaminated by hydrocarbons, they use expensive, toxic products, bri...

  • Review
  • Open Access
362 Citations
31,275 Views
28 Pages

14 April 2015

The current fossil fuel-based generation of energy has led to large-scale industrial development. However, the reliance on fossil fuels leads to the significant depletion of natural resources of buried combustible geologic deposits and to negative ef...

  • Article
  • Open Access
13 Citations
6,167 Views
18 Pages

9 January 2023

The pulp and paper industry (PPI) has several opportunities to contribute to meeting prevailing climate targets. It can cut its own CO2 emissions, which currently account for 2% of global industrial fossil CO2 emissions, and it has an opportunity to...

  • Review
  • Open Access
42 Citations
10,551 Views
31 Pages

Color-Coded Hydrogen: Production and Storage in Maritime Sector

  • Ivan Panić,
  • Aleksandar Cuculić and
  • Jasmin Ćelić

14 December 2022

To reduce pollution from ships in coastal and international navigation, shipping companies are turning to various technological solutions, mostly based on electrification and the use of alternative fuels with a lower carbon footprint. One of the alte...

  • Article
  • Open Access
27 Citations
4,549 Views
20 Pages

1 March 2018

Atmospheric pollution gradually become a focus of concern all over the world owing to its detrimental influence on human health as well as long range impact on global ecosystem. This paper investigated the relationship among SO2 emissions, GDP, fossi...

  • Feature Paper
  • Review
  • Open Access
146 Citations
12,712 Views
41 Pages

Recent Advances in Glycerol Catalytic Valorization: A Review

  • Manuel Checa,
  • Sergio Nogales-Delgado,
  • Vicente Montes and
  • José María Encinar

3 November 2020

Once a biorefinery is ready to operate, the main processed materials need to be completely evaluated in terms of many different factors, including disposal regulations, technological limitations of installation, the market, and other societal conside...

  • Review
  • Open Access
31 Citations
4,652 Views
27 Pages

27 August 2021

Oxygen carriers are metal oxide particles that could potentially enhance both fuel conversion and heat distribution in fluidized bed combustion, resulting in e.g., lowered emissions of unconverted species and better possibilities to utilize low-grade...

  • Article
  • Open Access
7 Citations
2,769 Views
14 Pages

Towards Upscaling of La5.5WO11.25−δ Manufacture for Plasma Spraying-Thin Film Coated Hydrogen Permeable Membranes

  • Sonia Escolástico,
  • Cecilia Solís,
  • Antonio Comite,
  • Fiorenza Azzurri,
  • Malko Gindrat,
  • Stefan Moser,
  • Johannes Rauch,
  • Gregory Szyndelman,
  • Rajiv Damani and
  • Jose M. Serra

19 August 2020

Lanthanum tungstate (La6WO12) is a promising material for the development of hydrogen separation membranes, proton ceramic electrolyzer cells and protonic ceramic fuel cells due to its interesting transport properties and stability under different op...

  • Feature Paper
  • Review
  • Open Access
26 Citations
7,965 Views
36 Pages

Cost Efficiency Analysis of H2 Production from Formic Acid by Molecular Catalysts

  • Maria Solakidou,
  • Aikaterini Gemenetzi,
  • Georgia Koutsikou,
  • Marinos Theodorakopoulos,
  • Yiannis Deligiannakis and
  • Maria Louloudi

9 February 2023

The development of low-carbon technologies that will facilitate the efficient use of hydrogen (H2) as an energy carrier is a critical requirement of contemporary society. To this end, it is anticipated that the cost of H2 production will become a key...

  • Article
  • Open Access
22 Citations
4,803 Views
14 Pages

Solid Oxide Fuel Cell Performance Analysis through Local Modelling

  • Fiammetta Rita Bianchi,
  • Roberto Spotorno,
  • Paolo Piccardo and
  • Barbara Bosio

Solid Oxide Fuel Cells (SOFC) are an emerging technology among different fuel cell types since they are successfully used in stationary cogeneration units to produce heat and electricity. Different scale applications are proposed as alternative energ...

  • Article
  • Open Access
15 Citations
3,007 Views
23 Pages

Pilot Scale Production of Precast Concrete Elements with Wood Biomass Ash

  • Jelena Šantek Bajto,
  • Nina Štirmer,
  • Sonja Cerković,
  • Ivana Carević and
  • Karmen Kostanić Jurić

2 November 2021

Downsizing fossil fuel dependence and greenhouse gas emissions is at the forefront of a sustainable future. The expansion of renewable energy while striving to minimize dependence on fossil fuels has led to biomass taking the lead among renewable ene...

  • Review
  • Open Access
27 Citations
4,964 Views
12 Pages

14 December 2022

Considering the critical energy challenges and the generation of zero-emission anion exchange membrane (AEM) sources, chitosan-based anion exchange membranes have garnered considerable interest in fuel cell applications owing to their various advanta...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,469 Views
20 Pages

Effects of Fuel Input on Pulsation Reactor Behavior—An Experimental Study

  • Jakub Dostál,
  • Stefan Heidinger,
  • Christian Klaus,
  • Simon Unz and
  • Michael Beckmann

1 February 2023

Material treatment in pulsation reactors (PR) brings the possibility of synthesizing powdery products with advantageous properties, such as nanoparticle sizes and high specific surface areas, at an industrial scale. The extraordinary material propert...

  • Article
  • Open Access
11 Citations
5,923 Views
30 Pages

13 September 2021

Throughout decades, conflicts related to the access and usage of various energy sources have caused political tensions between nations and confederations of states. Thus, partially to decrease the dependence on fossil fuels, a thorough transition tow...

  • Article
  • Open Access
13 Citations
7,414 Views
24 Pages

7 January 2017

In the next few years, even though there will be a continuous growth of renewables and a loss of the share of fossil fuel, energy production will still be strongly dependent on fossil fuels. It is expected that coal will continue to play an important...

  • Article
  • Open Access
35 Citations
5,505 Views
16 Pages

10 August 2020

Asphalt mixture is the most widely used material in road construction, and the industry is developing more sustainable technologies. Warm mix asphalt (WMA) is a promising alternative as it saves energy, reduces fuel consumption and generates fewer ga...

  • Article
  • Open Access
367 Views
24 Pages

11 October 2025

High-resolution CO2 fossil fuel emission data are critical for developing targeted mitigation policies. As a key approach for estimating spatial distributions of CO2 emissions, top–down methods typically rely upon spatial proxies to disaggregat...

  • Feature Paper
  • Review
  • Open Access
62 Citations
9,295 Views
38 Pages

Biodiesel at the Crossroads: A Critical Review

  • Rafael Estevez,
  • Laura Aguado-Deblas,
  • Felipa M. Bautista,
  • Diego Luna,
  • Carlos Luna,
  • Juan Calero,
  • Alejandro Posadillo and
  • Antonio A. Romero

6 December 2019

The delay in the energy transition, focused in the replacement of fossil diesel with biodiesel, is mainly caused by the need of reducing the costs associated to the transesterification reaction of vegetable oils with methanol. This reaction, on an in...

  • Article
  • Open Access
6 Citations
1,960 Views
13 Pages

24 August 2022

Since the Industrial Revolution, fossil fuels have become the main energy source for economic development. However, fossil fuels have also been linked to serious environmental impacts. China has recently undergone rapid economic growth, but its devel...

  • Article
  • Open Access
5 Citations
2,561 Views
23 Pages

1 November 2023

To achieve carbon neutrality in Japan by 2050, renewable energy needs to be used as the main energy source. Based on the constraints of various renewable energies, the importance of hydrogen cannot be ignored. This study aimed to investigate the diff...

  • Article
  • Open Access
27 Citations
6,929 Views
10 Pages

Benchmarking Perovskite Electrocatalysts’ OER Activity as Candidate Materials for Industrial Alkaline Water Electrolysis

  • DJ Donn Matienzo,
  • Tuğçe Kutlusoy,
  • Spyridon Divanis,
  • Chiara Di Bari and
  • Emanuele Instuli

28 November 2020

The selection and evaluation of electrocatalysts as candidate materials for industrial alkaline water electrolysis is fundamental in the development of promising energy storage and sustainable fuels for future energy infrastructure. However, the oxyg...

  • Article
  • Open Access
3 Citations
2,983 Views
14 Pages

19 June 2023

The greenhouse effect caused by carbon dioxide (CO2) emissions has forced the shipping industry to actively reduce the amount of CO2 emissions emitted directly into the atmosphere over the past few years. Carbon capture, utilization, and storage (CCU...

  • Feature Paper
  • Article
  • Open Access
4 Citations
2,816 Views
23 Pages

21 September 2024

Energy policies around the world are increasingly highlighting the importance of hydrogen in the evolving energy landscape. In this regard, the use of hydrogen to produce biomethanol not only plays an essential role in the chemical industry but also...

  • Feature Paper
  • Article
  • Open Access
1,068 Views
31 Pages

28 March 2025

Biodiesel derived from waste cooking oil (WCO) and animal fats is a promising alternative to fossil fuels, offering environmental benefits and renewable energy potential. However, a detailed understanding of its combustion characteristics at the drop...

  • Article
  • Open Access
12 Citations
1,909 Views
8 Pages

27 December 2013

Developing electric vehicles (EVs) has been chosen as national strategy as solution to energy security and urban air pollution by China. China has invested much to develop electric vehicle technologies. In past 15 years, the EVs technologies have imp...

  • Article
  • Open Access
1 Citations
1,453 Views
8 Pages

Diesel powered tractors are used to shuttle cargo trailers from point to point within the confines of a port facility, terminal or warehouse yard. Such operations are similar to those in ground support applications at airports and in industrial wareh...

  • Review
  • Open Access
2,529 Views
43 Pages

The development of algal bioplastics offers a promising pathway toward sustainable materials that can mitigate reliance on fossil fuel-derived plastics. This article reviews recent advances in algal cultivation, strain optimization, biopolymer extrac...

  • Article
  • Open Access
20 Citations
4,847 Views
15 Pages

Hydrothermal Carbonization of Spent Coffee Grounds for Producing Solid Fuel

  • Yulin Hu,
  • Rhea Gallant,
  • Shakirudeen Salaudeen,
  • Aitazaz A. Farooque and
  • Sophia He

19 July 2022

Spent coffee grounds (SCG) are industrial biowaste resulting from the coffee-brewing process, and they are often underutilized and end up in landfills, thereby leading to the emission of toxic gases and environmental damage. Hydrothermal carbonizatio...

  • Article
  • Open Access
7 Citations
2,918 Views
12 Pages

Evaluating the Potential of Newly Developed Energy Cane Clones for First- and Second-Generation Ethanol Production

  • Sutticha Na-Ranong Thammasittirong,
  • Prasert Chatwachirawong,
  • Kedwarin Khemdee and
  • Anon Thammasittirong

The rapid increases in fuel ethanol demand and food security concerns have driven the need for diverse feedstocks in the ethanol production process. Energy cane is an energy crop that is an ideal sustainable biofuel feedstock. The present study evalu...

  • Article
  • Open Access
979 Views
22 Pages

Multiscale Evaluation of an Electrically Heated Thermal Battery for High-Temperature Industrial Energy Storage

  • Munevver Elif Asar,
  • Daniel McKinley,
  • Bao Truong,
  • Joey Kabel and
  • Daniel Stack

22 August 2025

Industrial processes such as cement, steel, and glass manufacturing rely heavily on fossil fuels for high-temperature heat, presenting a significant challenge for decarbonization. To enable continuous thermal output from intermittent renewable electr...

  • Article
  • Open Access
2 Citations
2,728 Views
15 Pages

The production of bioethanol fuels using extractive fermentation increases the efficiency of the bioconversion reaction by reducing the toxic product inhibition. The choice of appropriate solvents to remove the bioethanol product without inhibiting t...

  • Review
  • Open Access
4 Citations
3,971 Views
28 Pages

High Impact Biomass Valorization for Second Generation Biorefineries in India: Recent Developments and Future Strategies for Sustainable Circular Economy

  • Ayisha Naziba Thaha,
  • Mehrdad Ghamari,
  • Gitanjali Jothiprakash,
  • Sasireka Velusamy,
  • Subburamu Karthikeyan,
  • Desikan Ramesh and
  • Senthilarasu Sundaram

18 March 2025

India’s rapidly growing automobile industry has intensified the need for sustainable fuel alternatives to reduce dependency on imported fossil fuels and mitigate greenhouse gas (GHG) emissions. This study examines the potential of second-genera...

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