Skip to Content

Most Cited

  • Review
  • Open Access
296 Citations
38,212 Views
22 Pages

3 February 2023

Hydrogen has become the most promising energy carrier for the future. The spotlight is now on green hydrogen, produced with water electrolysis powered exclusively by renewable energy sources. However, several other technologies and sources are availa...

  • Technical Note
  • Open Access
74 Citations
32,660 Views
14 Pages

Safe and Effective Use of Ozone as Air and Surface Disinfectant in the Conjuncture of Covid-19

  • Elena Grignani,
  • Antonella Mansi,
  • Renato Cabella,
  • Paola Castellano,
  • Angelo Tirabasso,
  • Renata Sisto,
  • Mariangela Spagnoli,
  • Giovanni Fabrizi,
  • Francesco Frigerio and
  • Giovanna Tranfo

24 December 2020

The present paper extrapolates quantitative data for ozone virucidal activity on the basis of the available scientific literature data for a safe and effective use of ozone in the appropriate cases and to explore the safety measures developed under t...

  • Review
  • Open Access
72 Citations
33,628 Views
36 Pages

2 December 2024

Excessive emissions of greenhouse gases, primarily carbon dioxide (CO2), have garnered worldwide attention due to their significant environmental impacts. Carbon capture, utilization, and storage (CCUS) techniques have emerged as effective solutions...

(This article belongs to the Topic Carbon Capture, Storage and Utilisation Technologies (CCS/CCU)—2nd Volume)
  • Article
  • Open Access
55 Citations
16,412 Views
24 Pages

21 October 2021

As an alternative to the construction of new infrastructure, repurposing existing natural gas pipelines for hydrogen transportation has been identified as a low-cost strategy for substituting natural gas with hydrogen in the wake of the energy transi...

  • Review
  • Open Access
41 Citations
16,733 Views
24 Pages

28 January 2023

Natural gas flaring, with its harmful environmental, health, and economic effects, is common in the Nigerian oil and gas industry because of a lower tax regime for flared gases. Based on the adverse effects of flared gas, the Nigerian government has...

  • Review
  • Open Access
30 Citations
10,417 Views
21 Pages

Adsorption Factors in Enhanced Coal Bed Methane Recovery: A Review

  • Theodora Noely Tambaria,
  • Yuichi Sugai and
  • Ronald Nguele

14 January 2022

Enhanced coal bed methane recovery using gas injection can provide increased methane extraction depending on the characteristics of the coal and the gas that is used. Accurate prediction of the extent of gas adsorption by coal are therefore important...

(This article belongs to the Section Gas Control)
  • Article
  • Open Access
29 Citations
19,298 Views
28 Pages

9 May 2022

Oil and gas construction projects are of great importance to support and facilitate the process of operation and production. However, these projects usually face chronic risks that lead to time overrun, cost overrun, and poor quality, affecting the p...

  • Review
  • Open Access
26 Citations
8,202 Views
34 Pages

17 May 2025

Hydrogen is increasingly recognized as a key contributor to a low-carbon energy future, and machine learning (ML) is emerging as a valuable tool to optimize hydrogen production processes. This review presents a comprehensive analysis of ML applicatio...

  • Article
  • Open Access
22 Citations
6,176 Views
11 Pages

Dust-Ion-Acoustic Rogue Waves in a Dusty Plasma Having Super-Thermal Electrons

  • Akib Al Noman,
  • Md Khairul Islam,
  • Mehedi Hassan,
  • Subrata Banik,
  • Nure Alam Chowdhury,
  • Abdul Mannan and
  • A. A. Mamun

11 June 2021

The standard nonlinear Schrödinger Equation (NLSE) is one of the elegant equations to find detailed information about the modulational instability criteria of dust-ion-acoustic (DIA) waves and associated DIA rogue waves (DIARWs) in a three-component...

  • Review
  • Open Access
20 Citations
7,952 Views
24 Pages

15 March 2024

Greenhouse gases trap heat in the atmosphere, causing the Earth’s surface temperature to rise. The main greenhouse gases are carbon dioxide, methane, nitrous oxide, perfluorocarbons, hydrofluorocarbons, and sulfur hexafluoride. Human activities...

  • Article
  • Open Access
20 Citations
12,472 Views
14 Pages

Hydrogen Purification through a Membrane–Cryogenic Integrated Process: A 3 E’s (Energy, Exergy, and Economic) Assessment

  • Ahmad Naquash,
  • Amjad Riaz,
  • Fatma Yehia,
  • Yus Donald Chaniago,
  • Hankwon Lim and
  • Moonyong Lee

27 June 2023

Hydrogen (H2) is known for its clean energy characteristics. Its separation and purification to produce high-purity H2 is becoming essential to promoting a H2 economy. There are several technologies, such as pressure swing adsorption, membrane, and c...

  • Article
  • Open Access
19 Citations
5,254 Views
14 Pages

16 October 2023

Because ammonia is easier to store and transport over long distances than hydrogen, it is a promising research direction as a potential carrier for hydrogen. However, its low ignition and combustion rates pose challenges for running conventional igni...

  • Review
  • Open Access
17 Citations
9,882 Views
15 Pages

24 July 2021

Rapidly increasing solid waste generation and energy demand are two critical issues of the current century. Plasma gasification, a type of waste-to-energy (WtE) technology, has the potential to produce clean energy from waste and safely destroy hazar...

  • Brief Report
  • Open Access
16 Citations
4,893 Views
11 Pages

7 July 2022

This paper describes how an extreme Saharan dust event that took place in March 2022 affected the Iberian Peninsula and was noticed not only by the outdoor air quality monitoring stations measuring PM2.5 and PM10 but also by indoor air monitoring sys...

  • Article
  • Open Access
16 Citations
4,831 Views
23 Pages

30 April 2024

The growing importance of hydrogen as an energy carrier in a future decarbonised energy system has led to a surge in its production plans. However, the development of infrastructure for hydrogen delivery, particularly in the hard-to-abate sectors, re...

  • Review
  • Open Access
14 Citations
23,830 Views
19 Pages

Portable Biogas Digester: A Review

  • Yolanda Mapantsela,
  • Patrick Mukumba,
  • KeChrist Obileke and
  • Ndanduleni Lethole

1 August 2024

To reduce and convert biodegradable waste into energy-rich biogas, anaerobic digestion technology is usually employed. Hence, this takes place inside the biogas digester. Studies have revealed that these digesters are designed and constructed using b...

  • Review
  • Open Access
13 Citations
12,501 Views
36 Pages

Carbon Capture from CO2-Rich Natural Gas via Gas-Liquid Membrane Contactors with Aqueous-Amine Solvents: A Review

  • Guilherme Pereira da Cunha,
  • José Luiz de Medeiros and
  • Ofélia de Queiroz F. Araújo

1 September 2022

Gas–liquid membrane contactor is a promising process intensification technology for offshore natural gas conditioning in which weight and footprint constraints impose severe limitations. Thanks to its potential for substituting conventional packed/tr...

(This article belongs to the Section Natural Gas)
  • Article
  • Open Access
13 Citations
9,855 Views
18 Pages

8 March 2025

This study assesses the potential for biogas production from wastewater treatment plants (WWTPs) in Adana, Türkiye, and evaluates the feasibility of transitioning a fleet of 83 municipal buses (ranging from 15 to 24 years old) to operate exclusi...

  • Review
  • Open Access
12 Citations
7,178 Views
12 Pages

The Market for Low-Carbon-Intensity Ammonia

  • Haoying Wang,
  • Ning Lin and
  • Mariam Arzumanyan

1 August 2024

As carbon capture and storage (CCS) technologies mature, the concept of a low-carbon or net-zero-carbon economy becomes more and more feasible. While many chemical and energy products do not contain carbon in their compounds, the upstream production...

(This article belongs to the Section Natural Gas)
  • Article
  • Open Access
11 Citations
5,802 Views
15 Pages

28 January 2021

CO2 convective mixing in water has been visualized in Hele-Shaw and PVT cell experiments but not at the pore scale. Furthermore, CO2 convective mixing in a three-phase system (i.e., CO2 in the presence of both water and oil) has not been visually inv...

(This article belongs to the Section Gas Control)
  • Article
  • Open Access
10 Citations
4,429 Views
20 Pages

5 April 2023

Plant responses to air pollution have been extensively studied in urban environments. Nevertheless, detailed and holistic studies assessing their retaliation to air contaminants are still limited. The present study evaluates the effect of criteria po...

(This article belongs to the Section Gaseous Pollutants)
  • Article
  • Open Access
10 Citations
3,731 Views
16 Pages

23 May 2024

Carbon-capture technologies are extremely abundant, yet they have not been applied extensively worldwide due to their high cost and technological complexities. This research studies the ability of polymerized fly ash to capture carbon dioxide (CO2) u...

(This article belongs to the Topic Carbon Dioxide Capture or Removal and Valorisation: Advances in the Development of Materials and Technologies)
  • Article
  • Open Access
10 Citations
3,495 Views
20 Pages

Numerical Simulation of Non-Darcy Flow in Naturally Fractured Tight Gas Reservoirs for Enhanced Gas Recovery

  • João Gabriel Souza Debossam,
  • Mayksoel Medeiros de Freitas,
  • Grazione de Souza,
  • Helio Pedro Amaral Souto and
  • Adolfo Puime Pires

20 August 2024

In this work, we analyze non-Darcy two-component single-phase isothermal flow in naturally fractured tight gas reservoirs. The model is applied in a scenario of enhanced gas recovery (EGR) with the possibility of carbon dioxide storage. The propertie...

  • Article
  • Open Access
9 Citations
4,316 Views
36 Pages

Tropospheric and Surface Measurements of Combustion Tracers During the 2021 Mediterranean Wildfire Crisis: Insights from the WMO/GAW Site of Lamezia Terme in Calabria, Southern Italy

  • Francesco D’Amico,
  • Giorgia De Benedetto,
  • Luana Malacaria,
  • Salvatore Sinopoli,
  • Claudia Roberta Calidonna,
  • Daniel Gullì,
  • Ivano Ammoscato and
  • Teresa Lo Feudo

13 February 2025

The central Mediterranean and nearby regions were affected by extreme wildfires during the summer of 2021. During the crisis, Türkiye, Greece, Italy, and other countries faced numerous challenges ranging from the near-complete destruction of lan...

(This article belongs to the Section Gaseous Pollutants)
  • Article
  • Open Access
9 Citations
7,720 Views
12 Pages

17 January 2025

The increase in atmospheric CO2 caused by human activities has driven the development of technologies to capture this gas before it reaches the atmosphere. This study analyzed CO2 sorption using amine-based solvents, such as methyldiethanolamine (MDE...

  • Article
  • Open Access
9 Citations
5,639 Views
8 Pages

Modulational Instability of Ion-Acoustic Waves and Associated Envelope Solitons in a Multi-Component Plasma

  • Subrata Banik,
  • Nadiya Mehzabeen Heera,
  • Tasfia Yeashna,
  • Md. Rakib Hassan,
  • Rubaiya Khondoker Shikha,
  • Nure Alam Chowdhury,
  • Abdul Mannan and
  • A A Mamun

27 August 2021

A generalized plasma model with inertial warm ions, inertialess iso-thermal electrons, super-thermal electrons and positrons is considered to theoretically investigate the modulational instability (MI) of ion-acoustic waves (IAWs). A standard nonline...

  • Article
  • Open Access
9 Citations
7,304 Views
28 Pages

A Comparison of Water Flooding and CO2-EOR Strategies for the Optimization of Oil Recovery: A Case Study of a Highly Heterogeneous Sandstone Formation

  • Dung Bui,
  • Son Nguyen,
  • William Ampomah,
  • Samuel Appiah Acheampong,
  • Anthony Hama,
  • Adewale Amosu,
  • Abdul-Muaizz Koray and
  • Emmanuel Appiah Kubi

24 December 2024

This study presents a comparative analysis of CO2-EOR and water flooding scenarios to optimize oil recovery in a geologically heterogeneous reservoir with a dome structure and partial aquifer support. Using production data from twelve production and...

(This article belongs to the Topic Carbon Capture, Storage and Utilisation Technologies (CCS/CCU)—2nd Volume)
  • Review
  • Open Access
7 Citations
6,176 Views
50 Pages

A Guideline for Cross-Sector Coupling of Carbon Capture Technologies

  • Hossein Asgharian,
  • Ali Yahyaee,
  • Chungen Yin,
  • Vincenzo Liso,
  • Mads Pagh Nielsen and
  • Florin Iov

3 November 2024

Many governments around the world have taken action to utilise carbon capture (CC) technologies to reduce CO2 emissions. This technology is particularly important to reduce unavoidable emissions from industries like cement plants, oil refineries, etc...

  • Communication
  • Open Access
7 Citations
2,500 Views
8 Pages

26 September 2023

Polymer blending has attracted considerable attention because of its ability to overcome the permeability–selectivity trade-off in gas separation applications. In this study, polysulfone (PSU)-modified cellulose acetate (CA) membranes were prep...

  • Article
  • Open Access
7 Citations
6,327 Views
15 Pages

22 May 2023

The membrane gas separation process has gained significant attention using the computational fluid dynamics (CFD) technique. This study considered the CFD method to find gas concentration profiles in a hollow fiber membrane (HFM) module to separate t...

  • Article
  • Open Access
7 Citations
5,929 Views
10 Pages

14 March 2023

The poultry sector is considered to be one of the most industrialized sectors of livestock production. Although the livestock sector contributes the 14.5% of total anthropogenic greenhouse gas (GHG) emissions, less attention has been paid in the resp...

  • Article
  • Open Access
7 Citations
8,400 Views
17 Pages

Natural Gas Matters: LNG and India’s Quest for Clean Energy

  • Subhadip Ghosh,
  • Rajarshi Majumder and
  • Bidisha Chatterjee

3 February 2024

India, the world’s most populous country, is the world’s third-largest emitter of greenhouse gases (GHGs). Despite employing several energy sources, it still relies heavily on coal, its primary energy source. Given India’s swiftly r...

(This article belongs to the Section Natural Gas)
  • Article
  • Open Access
7 Citations
2,855 Views
23 Pages

20 November 2025

Large-scale underground hydrogen storage in saline aquifers requires an understanding of hydrogen–brine two-phase flow properties, particularly relative permeability, which influences reservoir injectivity and hydrogen recovery. However, such h...

  • Article
  • Open Access
7 Citations
3,782 Views
15 Pages

Numerical Investigation of CO2 Injection Effects on Shale Caprock Integrity: A Case Study of Opalinus Clay

  • Haval Kukha Hawez,
  • Hawkar Bakir,
  • Karwkh Jamal,
  • Matin Kakakhan,
  • Karzan Hussein and
  • Mohammed Omar

8 July 2025

Carbon dioxide (CO2) geosequestration is a critical technology for reducing greenhouse gas emissions, with shale caprocks, such as Opalinus Clay (OPA), serving as essential seals to prevent CO2 leakage. This study employs computational fluid dynamics...

  • Article
  • Open Access
6 Citations
5,940 Views
24 Pages

Experimental Study and Thermodynamic Analysis of Carbon Dioxide Adsorption onto Activated Carbons Prepared from Biowaste Raw Materials

  • Olga V. Solovtsova,
  • Ilya E. Men’shchikov,
  • Andrey V. Shkolin,
  • Alexander E. Grinchenko,
  • Elena V. Khozina and
  • Anatoly A. Fomkin

14 August 2023

Nutshells are regarded as cost-effective and abundant raw materials for producing activated carbons (ACs) for CO2 capture, storage, and utilization. The effects of carbonization temperature and thermochemical KOH activation conditions on the porous s...

  • Article
  • Open Access
6 Citations
3,438 Views
20 Pages

7 December 2022

The relevance of studying explosive processes in permafrost lies in the prospect of gas production from small gas-saturated zones in the subsurface; the influx of significant amounts of greenhouse gases from frozen soils creates a threat to infrastru...

(This article belongs to the Section Gas Emissions)
  • Review
  • Open Access
6 Citations
8,594 Views
21 Pages

8 July 2024

Climate projects can become one of the key tools for decarbonization in Russia. They have powerful potential in terms of solving the problems of reducing emissions and increasing the absorption of greenhouse gases, as well as monetization potential f...

(This article belongs to the Topic Carbon Dioxide Capture or Removal and Valorisation: Advances in the Development of Materials and Technologies)
  • Article
  • Open Access
6 Citations
4,442 Views
20 Pages

25 June 2024

In a previous study, we demonstrated a change in membrane morphology and gas separation performance by varying the recipe of a casting solution based on polysulfone in a certain solvent system. Although all results were reproducible, all used solvent...

  • Article
  • Open Access
6 Citations
9,370 Views
17 Pages

The Impact of Retrofitting Natural Gas-Fired Power Plants on Carbon Footprint: Converting from Open-Cycle Gas Turbine to Combined-Cycle Gas Turbine

  • Denise Matos,
  • João Gabriel Lassio,
  • Katia Cristina Garcia,
  • Igor Raupp,
  • Alexandre Mollica Medeiros and
  • Juliano Lucas Souza Abreu

19 September 2024

Since retrofitting existing natural gas-fired (NGF) power plants is an essential strategy for enhancing their efficiency and controlling greenhouse gas emissions, this paper compares the carbon footprint of natural gas-fired power generation from an...

  • Review
  • Open Access
6 Citations
4,394 Views
28 Pages

Experimental and Molecular Dynamics Simulation of Interfacial Tension Measurements in CO2–Brine/Oil Systems: A Literature Review

  • Nadieh Salehi,
  • Mohammad Kazemi,
  • Mohammad Amin Esmaeilbeig,
  • Abbas Helalizadeh and
  • Mehdi Bahari Moghaddam

16 October 2025

Carbon dioxide (CO2), a major greenhouse gas, contributes significantly to global warming and environmental degradation. Carbon Capture, Utilization, and Storage (CCUS) is a promising strategy to mitigate atmospheric CO2 levels. One widely applied ut...

  • Article
  • Open Access
5 Citations
4,565 Views
17 Pages

Estimating Total Methane Emissions from the Denver-Julesburg Basin Using Bottom-Up Approaches

  • Stuart N. Riddick,
  • Mercy Mbua,
  • Abhinav Anand,
  • Elijah Kiplimo,
  • Arthur Santos,
  • Aashish Upreti and
  • Daniel J. Zimmerle

5 August 2024

Methane is a powerful greenhouse gas with a 25 times higher 100-year warming potential than carbon dioxide and is a target for mitigation to achieve climate goals. To control and curb methane emissions, estimates are required from the sources and sec...

(This article belongs to the Section Gas Emissions)
  • Article
  • Open Access
5 Citations
4,561 Views
17 Pages

12 January 2025

Biogas usually contains volatile organic compounds such as terpenes, siloxanes, halogenated hydrocarbons, ketones, alcohols, furans and esters whose presence in the biogas is highly dependent on the feedstock. These trace components can affect the in...

  • Article
  • Open Access
5 Citations
2,781 Views
25 Pages

5 February 2026

In South Asia, smog has become a critical environmental concern that endangers public health, ecosystems, and the regional climate. To determine the primary causes of smog formation in Lahore during peak polluted months (October and November), the cu...

(This article belongs to the Topic Ecosystems and Climate Change: Understanding Impacts to Shape the Future)
  • Article
  • Open Access
5 Citations
6,748 Views
12 Pages

21 April 2021

Time mismatch between renewable energy production and consumption, grid congestion issues, and consequent production curtailment lead to the need for energy storage systems to allow for a greater renewable energy sources share in future energy scenar...

(This article belongs to the Section Liquefied Natural Gas (LNG))
  • Article
  • Open Access
4 Citations
5,209 Views
13 Pages

Efficiency of U.S. Oil and Gas Companies toward Energy Policies

  • Sami Jarboui,
  • Achraf Ghorbel and
  • Ahmed Jeribi

9 June 2022

The petroleum industry faces crucial environmental problems that exacerbate business instability, such as climate change and greenhouse gas emission regulations. Generally, governments focus on pricing, environmental protection, and supply security w...

  • Article
  • Open Access
4 Citations
3,169 Views
20 Pages

Combustion Diagnosis in a Spark-Ignition Engine Fueled with Syngas at Different CO/H2 and Diluent Ratios

  • Santiago Martinez-Boggio,
  • Pedro Teixeira Lacava,
  • Felipe Solferini de Carvalho and
  • Pedro Curto-Risso

15 May 2024

The gasification of residues into syngas offers a versatile gaseous fuel that can be used to produce heat and power in various applications. However, the application of syngas in engines presents several challenges due to the changes in its compositi...

  • Article
  • Open Access
4 Citations
2,833 Views
14 Pages

Experimental Optimization of Natural Gas Injection Timing in a Dual-Fuel Marine Engine to Minimize GHG Emissions

  • Luigi De Simio,
  • Luca Marchitto,
  • Sabato Iannaccone,
  • Vincenzo Pennino and
  • Nunzio Altieri

16 July 2024

Phased injection of natural gas into internal combustion marine engines is a promising solution for optimizing performance and reducing harmful emissions, particularly unburned methane, a potent greenhouse gas. This innovative practice distinguishes...

  • Opinion
  • Open Access
4 Citations
5,454 Views
7 Pages

17 November 2023

The maritime industry is recognized as a major pollution source to the environment. The use of low- or zero-carbon marine alternative fuel is a promising measure to reduce emissions of greenhouse gases and toxic pollutants, leading to net-zero carbon...

XFacebookLinkedIn
Gases - ISSN 2673-5628