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Gases, Volume 4, Issue 3

2024 September - 11 articles

Cover Story: Using emission factors informed by contemporary and region-specific measurement studies, we estimate the total methane emissions from the Denver-Julesburg basin, CO at 212 Gg. This approach used the Mechanistic Air Emissions Simulator (MAES) to estimate methane emissions from the production and transport of oil and gas and accounts for changes to regulatory practice in the DJ basin. These include comprehensive requirements for compressors, pneumatics, equipment leaks and fugitive emissions which were implemented to reduce emissions starting in 2014. The model outputs suggest methane loss from oil and gas production has been reduced by a factor of 20 when compared to measurements made 10 years ago, and the reduction has been attributed to the changes to state regulations. View this paper
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Articles (11)

  • Article
  • Open Access
3 Citations
7,059 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...

  • Article
  • Open Access
2,430 Views
15 Pages

Using Carbon Dioxide for Subsea Long-Duration Energy Storage

  • Charise Cutajar,
  • Tonio Sant and
  • Luke Jurgen Briffa

18 September 2024

This paper investigates the operating benefits and limitations of utilizing carbon dioxide in hydro-pneumatic energy storage systems, a form of compressed gas energy storage technology, when the systems are deployed offshore. Allowing the carbon diox...

  • Article
  • Open Access
1 Citations
3,341 Views
22 Pages

13 September 2024

This paper presents an analysis of NO2 emissions in Mashhad City utilizing statistical evaluations and the Cisco Network Model. The present study begins by evaluating NO2 emissions through statistical analysis, followed by the application of histogra...

  • Article
  • Open Access
4 Citations
2,293 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
4 Citations
3,375 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...

  • Review
  • Open Access
8 Citations
5,714 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...

  • Review
  • Open Access
10 Citations
17,899 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...

  • Article
  • Open Access
3 Citations
2,349 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...

  • Article
  • Open Access
1,958 Views
17 Pages

Real Driving Emissions—Event Detection for Efficient Emission Calibration

  • Sascha Krysmon,
  • Johannes Claßen,
  • Marc Düzgün and
  • Stefan Pischinger

12 July 2024

The systematic analysis of measurement data allows a large amount of information to be obtained from existing measurements in a short period of time. Especially in vehicle development, many measurements are performed, and large amounts of data are co...

  • Review
  • Open Access
3 Citations
6,763 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...

  • Article
  • Open Access
4 Citations
3,235 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...

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Gases - ISSN 2673-5628