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63 Results Found

  • Article
  • Open Access
13 Citations
3,383 Views
20 Pages

Investigation on the Role of Pd, Pt, Rh in Methane Abatement for Heavy Duty Applications

  • Moyu Wang,
  • Panayotis Dimopoulos Eggenschwiler,
  • Tanja Franken,
  • Miren Agote-Arán,
  • Davide Ferri and
  • Oliver Kröcher

25 March 2022

Methane abatement remains a challenge in aftertreatment systems of natural gas engines, currently under discussion in combination with synthetic methane. In this study, Pt/Rh and Pd/Rh-based three-way catalysts are investigated under various transien...

  • Article
  • Open Access

10 November 2025

This study analyzed the economic feasibility of utilizing Undaria pinnatifida sporophylls (UPSs), a major by-product of seaweed aquaculture, as feed for Hanwoo cattle. It employed a partial equilibrium framework to quantify processing costs, avoided...

  • Article
  • Open Access
4 Citations
4,370 Views
31 Pages

A High-Throughput Screening Approach to Identify New Active and Long-Term Stable Catalysts for Total Oxidation of Methane from Gas-Fueled Lean–Burn Engines

  • Thomas Lenk,
  • Adrian Gärtner,
  • Klaus Stöwe,
  • Thomas Schwarz,
  • Christian Breuer,
  • Rainer Kiemel and
  • Santiago Casu

1 February 2020

A unique high-throughput approach to identify new catalysts for total oxidation of methane from the exhaust gas of biogas-operated lean-burn engines is presented. The approach consists of three steps: (1) A primary screening using emission-corrected...

  • Feature Paper
  • Systematic Review
  • Open Access
15 Citations
9,684 Views
29 Pages

8 February 2024

Eight rumen additives were chosen for an enteric methane-mitigating comparison study including garlic oil (GO), nitrate, Ascophyllum nodosum (AN), Asparagopsis (ASP), Lactobacillus plantarum (LAB), chitosan (CHI), essential oils (EOs) and 3-nitrooxyp...

  • Feature Paper
  • Article
  • Open Access
4 Citations
3,051 Views
12 Pages

19 December 2021

The ventilation air–methane (VAM) released from underground mines is often transported into regenerative thermal oxidizer (RTO) devices and burnt into heat energy. This study numerically investigates the scenarios where explosion occurs inside...

  • Feature Paper
  • Review
  • Open Access
1 Citations
3,001 Views
32 Pages

15 May 2023

Ventilation Air Methane (VAM) refers to the release of fugitive methane (CH4) emissions into the atmosphere during underground coal mining operations. Growing concerns regarding the greenhouse effects of CH4 have led to a worldwide effort in developi...

  • Feature Paper
  • Article
  • Open Access
4 Citations
1,897 Views
31 Pages

Transition Metal-Promoted LDH-Derived CoCeMgAlO Mixed Oxides as Active Catalysts for Methane Total Oxidation

  • Marius C. Stoian,
  • Cosmin Romanitan,
  • Katja Neubauer,
  • Hanan Atia,
  • Constantin Cătălin Negrilă,
  • Ionel Popescu and
  • Ioan-Cezar Marcu

17 September 2024

A series of M(x)CoCeMgAlO mixed oxides with different transition metals (M = Cu, Fe, Mn, and Ni) with an M content x = 3 at. %, and another series of Fe(x)CoCeMgAlO mixed oxides with Fe contents x ranging from 1 to 9 at. % with respect to cations, wh...

  • Article
  • Open Access
11 Citations
2,596 Views
18 Pages

10 April 2024

This study evaluated multiple commercially available continuous monitoring (CM) point sensor network (PSN) solutions under single-blind controlled release testing conducted at operational upstream and midstream oil and natural gas (O&G) sites. Du...

  • Review
  • Open Access
44 Citations
7,274 Views
13 Pages

Feeding Strategies to Mitigate Enteric Methane Emission from Ruminants in Grassland Systems

  • Juan Vargas,
  • Emilio Ungerfeld,
  • Camila Muñoz and
  • Nicolas DiLorenzo

28 April 2022

Ruminants produce approximately 30% of total anthropogenic methane emissions globally. The objective of this manuscript was to review nutritional enteric methane abatement practices for ruminants that are applicable under grazing conditions. A total...

  • Review
  • Open Access
1,033 Views
39 Pages

Catalytic Combustion of Fugitive Methane: Challenges and Current State of the Technology

  • Robert E. Hayes,
  • Joanna Profic-Paczkowska,
  • Roman Jędrzejczyk and
  • Joseph P. Mmbaga

21 September 2025

This review covers the current state, challenges, and future directions of catalytic combustion technologies for mitigating fugitive methane emissions from the fossil fuel industry. Methane, a potent greenhouse gas, is released from diverse sources,...

  • Review
  • Open Access
25 Citations
7,859 Views
18 Pages

Methane Emissions and the Use of Desmanthus in Beef Cattle Production in Northern Australia

  • Bénédicte Suybeng,
  • Edward Charmley,
  • Christopher P. Gardiner,
  • Bunmi S. Malau-Aduli and
  • Aduli E. O. Malau-Aduli

9 August 2019

The Australian beef industry is a major contributor to the economy with an estimated annual revenue generation of over seven billion dollars. The tropical state of Queensland accounted for 48% of Australian beef and veal production in 2018. As the th...

  • Article
  • Open Access
40 Citations
6,698 Views
16 Pages

Relationships between Structures of Condensed Tannins from Texas Legumes and Methane Production During In Vitro Rumen Digestion

  • Harley Naumann,
  • Rebecka Sepela,
  • Aira Rezaire,
  • Sonia E. Masih,
  • Wayne E. Zeller,
  • Laurie A. Reinhardt,
  • Jamison T. Robe,
  • Michael L. Sullivan and
  • Ann E. Hagerman

23 August 2018

Previous studies showed that a series of purified condensed tannins (CTs) from warm-season perennial legumes exhibited high variability in their modulation of methane production during in vitro rumen digestion. The molecular weight differences betwee...

  • Article
  • Open Access
6 Citations
4,610 Views
17 Pages

31 October 2020

Global emission of methane reached a record high in 2020. Furthermore, it is expected that methane emissions will continue to rise in the coming years despite the economic slowdown stemming from the coronavirus pandemic. Adsorbents can be used to red...

  • Article
  • Open Access
19 Citations
4,483 Views
15 Pages

9 November 2016

In the Mediterranean region, the disposal of residues of olive oil industries represents an important environmental issue. In recent years, many techniques were proposed to improve the characteristics of these wastes with the aim to use them for meth...

  • Article
  • Open Access
2 Citations
2,721 Views
12 Pages

Measuring Methane Slip from LNG Engines with Different Devices

  • Kati Lehtoranta,
  • Hannu Vesala,
  • Niklas Flygare,
  • Niina Kuittinen and
  • Anni-Rosa Apilainen

When using liquefied natural gas (LNG) as fuel for shipping, the sulphur emissions are negligible and low NOx and particle emissions can be reached together with lower CO2 emissions compared to diesel-based fuels. The drawback of LNG usage is the unb...

  • Article
  • Open Access
1 Citations
3,321 Views
39 Pages

Methane Emissions in the ESG Framework at the World Level

  • Alberto Costantiello,
  • Lucio Laureti,
  • Angelo Quarto and
  • Angelo Leogrande

13 January 2025

Methane is a strong green gas that has higher GWP. Methane emissions, therefore, form one of the critical focuses within climate change mitigation policy. Indeed, the present study represents a very novel analysis of methane emission within the ESG f...

  • Article
  • Open Access
81 Citations
9,631 Views
16 Pages

Biogas Potential from the Anaerobic Digestion of Potato Peels: Process Performance and Kinetics Evaluation

  • Spyridon Achinas,
  • Yu Li,
  • Vasileios Achinas and
  • Gerrit Jan Willem Euverink

17 June 2019

This article intends to promote the usage of potato peels as efficient substrate for the anaerobic digestion process for energy recovery and waste abatement. This study examined the performance of anaerobic digestion of potato peels in different inoc...

  • Review
  • Open Access
2 Citations
2,731 Views
20 Pages

‘Geophagy’ and Clay Minerals: Influencing Ruminal Microbial Fermentation for Methane Mitigation

  • Zubaer Hosen,
  • Md. Rashidul Islam,
  • Ravi Naidu and
  • Bhabananda Biswas

Methane is a greenhouse gas with high warming potential, and ruminants like cattle and sheep are a major source of its emission. In the rumen, the first stomach compartment, diverse microorganisms and fauna live, including archaea, bacteria, protozoa...

  • Article
  • Open Access
68 Citations
6,047 Views
14 Pages

23 October 2020

The intensification of livestock production, to accommodate rising human population, has led to a higher emission of ammonia into the environment. For the reduction of ammonia emissions, different management steps have been reported in most EU countr...

  • Article
  • Open Access
1 Citations
1,663 Views
12 Pages

17 February 2024

Measuring soot concentration in a burner flame is essential for an in-depth understanding of the formation mechanism and to abate its generation. This paper presents an improved emission spectroscopy (ES) method that uses an adaptive particle swarm o...

  • Article
  • Open Access
467 Views
34 Pages

30 October 2025

Anthropogenic methane (CH4) emissions lead to global warming and air pollution. China has recently crafted a bottom-up approach to regulate its anthropogenic CH4 emissions; however, emissions during and after the COVID-19 lockdown have not been fully...

  • Article
  • Open Access
9 Citations
7,295 Views
21 Pages

26 August 2024

The transition to cleaner energy sources, particularly in hard-to-abate industrial sectors, often requires the gradual integration of new technologies. Hydrogen, crucial for decarbonization, is explored as a fuel in blended combustions. Blending or r...

  • Article
  • Open Access
19 Citations
6,401 Views
20 Pages

1 July 2020

Methane is activated at ambient conditions in a dielectric barrier discharge (DBD) plasma reactor packed with Pd/γ-alumina catalyst containing different loadings of Pd (0.5, 1, 5 wt%). Results indicate that the presence of Pd on γ-alumina...

  • Article
  • Open Access
6 Citations
2,673 Views
22 Pages

Feed Effects on Water–Gas Shift Activity of M/Co3O4-ZrO2 (M = Pt, Pd, and Ru) and Potassium Role in Methane Suppression

  • Satyapaul A. Singh,
  • Yaddanapudi Varun,
  • Priyanka Goyal,
  • I. Sreedhar and
  • Giridhar Madras

Water–gas shift (WGS) is an industrial process to tackle CO abatement and H2 upgradation. The syngas (CO and H2 mixture) obtained from steam or dry reformers often has unreacted (from dry reforming) or undesired (from steam reforming) CO2, whic...

  • Article
  • Open Access
1 Citations
1,636 Views
19 Pages

The Effects of Model Insoluble Copper Compounds in a Sedimentary Environment on Denitrifying Anaerobic Methane Oxidation (DAMO) Enrichment

  • Longfei Xia,
  • Yong Wang,
  • Peiru Yao,
  • Hodon Ryu,
  • Zhengzhong Dong,
  • Chen Tan,
  • Shihai Deng,
  • Hongjian Liao and
  • Yaohuan Gao

The contribution of denitrifying anaerobic methane oxidation (DAMO) as a methane sink across different habitats, especially those affected by anthropogenic activities, remains unclear. Mining and industrial and domestic use of metals/metal-containing...

  • Article
  • Open Access
1 Citations
2,222 Views
16 Pages

26 October 2024

Ventilation Air Methane (VAM) significantly contributes to global warming. Capturing and mitigating these emissions can help combat climate change. One effective method is the thermal decomposition of methane, but it requires careful control to preve...

  • Article
  • Open Access
1 Citations
2,764 Views
24 Pages

24 December 2020

Comprehensive evaluation of shale gas resource, which plays a role in energy system optimization, atmospheric environmental cobenefit, and methane risk, has long been ignored in China. This research aims to fill this gap and conduct a study based on...

  • Article
  • Open Access
1,045 Views
16 Pages

Catalytic Combustion of Methane over Pd-Modified La-Ce-Zr-Al Catalyst

  • Katerina Tumbalova,
  • Zlatina Zlatanova,
  • Ralitsa Velinova,
  • Maria Shipochka,
  • Pavel Markov,
  • Daniela Kovacheva,
  • Ivanka Spassova,
  • Silviya Todorova,
  • Georgi Ivanov and
  • Diana Nihtianova
  • + 1 author

16 May 2025

The present study aims to investigate a Pd catalyst on a complex multi-oxide medium-entropy support interlayer La2O3-CeO2-ZrO2-Al2O3 and its possible use as catalysts for methane abatement applications. The low-temperature N2-adsorption, XRD, TEM, XP...

  • Review
  • Open Access
1,721 Views
32 Pages

15 July 2025

Livestock farming is a vital component of global food security, yet it remains a major contributor to greenhouse gas (GHG) emissions, particularly methane (CH4), which has a global warming potential 28 times greater than carbon dioxide (CO2). This re...

  • Review
  • Open Access
41 Citations
9,928 Views
37 Pages

29 October 2020

Plasma technology is already used in various applications such as surface treatment, surface coating, reforming of carbon dioxide and methane, removal of volatile organic compounds, odor abatement and disinfection, but treatment processes described i...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,599 Views
20 Pages

New Insight into the Interplay of Method of Deposition, Chemical State of Pd, Oxygen Storage Capability and Catalytic Activity of Pd-Containing Perovskite Catalysts for Combustion of Methane

  • Silva Stanchovska,
  • Georgy Ivanov,
  • Sonya Harizanova,
  • Krasimir Tenchev,
  • Ekaterina Zhecheva,
  • Anton Naydenov and
  • Radostina Stoyanova

18 November 2021

Elaboration of Pd-supported catalysts for catalytic combustion is, nowadays, considered as an imperative task to reduce the emissions of methane. This study provides new insight into the method of deposition, chemical state of Pd and oxygen storage c...

  • Article
  • Open Access
4 Citations
2,405 Views
15 Pages

28 November 2022

Methane (CH4) is an important greenhouse gas. There is increasing attention to CH4 abatement strategies because of its contribution to short-term warming and strong benefits of decreasing CH4 emissions. China greenhouse gas inventory methods are used...

  • Article
  • Open Access
8 Citations
3,366 Views
13 Pages

Bio-Acidification of Cattle Slurry with Whey Reduces Gaseous Emission during Storage with Positive Effects on Biogas Production

  • Fabrizio Gioelli,
  • Marco Grella,
  • Telma E. Scarpeci,
  • Luca Rollè,
  • Flavia Dela Pierre and
  • Elio Dinuccio

28 September 2022

Livestock manure is the main source of ammonia (NH3) and greenhouse gases emissions (GHG), which can be reduced by acidifying manure. This work assessed the effect of acidification of cattle slurry using whey on NH3 and GHG emissions during storage,...

  • Article
  • Open Access
908 Views
19 Pages

The Effect of Ruminal Fluid Adaptation to a Direct Fed Microbial: In Vitro Methane Production and Fermentation Characteristics

  • Sreemol Suthan Nair,
  • S. Richard O. Williams,
  • Aodán S. ó Neachtain,
  • Renata Tognelli,
  • Subhash Chandra,
  • Pablo S. Alvarez-Hess,
  • Long Cheng,
  • Khageswor Giri and
  • Joe L. Jacobs

Direct-fed microbials (DFM) have emerged as a promising dietary strategy for enteric methane abatement. However, it is unclear whether in vitro studies trialing DFM should use ruminal fluid previously adapted to the DFM of interest or if the DFM can...

  • Article
  • Open Access
12 Citations
2,142 Views
19 Pages

H2 Production by Methane Oxy-Reforming: Effect of Catalyst Pretreatment on the Properties and Activity of Rh-Ce0.5Zr0.5O2 Synthetized by Microemulsion

  • Jacopo De Maron,
  • Rodolfo Mafessanti,
  • Pio Gramazio,
  • Elisabetta Orfei,
  • Andrea Fasolini and
  • Francesco Basile

22 December 2022

Green hydrogen introduction in hard-to-abate processes is held back by the cost of substituting steam reforming plants with electrolyzers. However, green hydrogen can be integrated in properly modified reforming processes. The process proposed here i...

  • Feature Paper
  • Article
  • Open Access
2 Citations
1,875 Views
19 Pages

Effect of Support on Complete Hydrocarbon Oxidation over Pd-Based Catalysts

  • Tatyana Tabakova,
  • Bozhidar Grahovski,
  • Yordanka Karakirova,
  • Petya Petrova,
  • Anna Maria Venezia,
  • Leonarda Francesca Liotta and
  • Silviya Todorova

23 January 2025

Developing efficient strategies for VOC emission abatement is an urgent task for protection of the environment and human health. Complete catalytic oxidation exhibits advantages, making it an effective, environmentally friendly, and economically prof...

  • Review
  • Open Access
52 Citations
13,894 Views
16 Pages

13 December 2021

Methane (CH4) from enteric fermentation accounts for 3 to 5% of global anthropogenic greenhouse gas emissions, which contribute to climate change. Cost-effective strategies are needed to reduce feed energy losses as enteric CH4 while improving rumina...

  • Article
  • Open Access
7 Citations
3,088 Views
19 Pages

4 April 2023

Air pollution in many major cities is endangering public health and is causing deterioration of the environment. Particulate emissions (PM) contribute to air pollution as they carry toxic polyaromatic hydrocarbons (PAHs) on their surface. Abatement o...

  • Review
  • Open Access
22 Citations
4,568 Views
17 Pages

CO2 Hydrogenation Catalyzed by Graphene-Based Materials

  • Maria Mihet,
  • Monica Dan and
  • Mihaela D. Lazar

In the context of an increased interest in the abatement of CO2 emissions generated by industrial activities, CO2 hydrogenation processes show an important potential to be used for the production of valuable compounds (methane, methanol, formic acid,...

  • Article
  • Open Access
1 Citations
1,928 Views
14 Pages

16 August 2022

This study presents a biophotocatalytic system as a sustainable technology for the recovery of clean water and renewable energy from wastewater, thereby providing a unique opportunity to drive industrialization and global sustainable development thro...

  • Article
  • Open Access
1 Citations
1,493 Views
21 Pages

Innovative In/H-SSZ-39 Catalysts: An Exploration in NOx Reduction via CH4-SCR

  • Jiuhu Zhao,
  • Jingjing Jiang,
  • Meng Wang,
  • Jianxiong Chen,
  • Jin Li,
  • Xianbin Wang and
  • Rongshu Zhu

1 September 2024

Nitrogen oxides (NOx), pivotal atmospheric pollutants, significantly threaten the environment and human health. The CH4-SCR process, leveraging the abundance and accessibility have methane, emerges as a promising avenue for NOx abatement. Previous st...

  • Article
  • Open Access
1 Citations
1,875 Views
10 Pages

10 August 2023

Enteric fermentation is one of the largest contributors of methane release to the environment from the livestock sector. Plant bioactive compounds can modulate rumen fermentation for reduced methanogenesis and fatty acid biohydrogenation. The present...

  • Feature Paper
  • Article
  • Open Access
11 Citations
3,836 Views
24 Pages

Highly Active Transition Metal-Promoted CuCeMgAlO Mixed Oxide Catalysts Obtained from Multicationic LDH Precursors for the Total Oxidation of Methane

  • Hussein Mahdi S. Al-Aani,
  • Mihaela M. Trandafir,
  • Ioana Fechete,
  • Lucia N. Leonat,
  • Mihaela Badea,
  • Cătălin Negrilă,
  • Ionel Popescu,
  • Mihaela Florea and
  • Ioan-Cezar Marcu

1 June 2020

To improve the catalytic performance of an active layered double hydroxide (LDH)-derived CuCeMgAlO mixed oxide catalyst in the total oxidation of methane, it was promoted with different transition-metal cations. Thus, two series of multicationic mixe...

  • Article
  • Open Access
38 Citations
5,978 Views
20 Pages

Maritime Transport in a Life Cycle Perspective: How Fuels, Vessel Types, and Operational Profiles Influence Energy Demand and Greenhouse Gas Emissions

  • Grusche J. Seithe,
  • Alexandra Bonou,
  • Dimitrios Giannopoulos,
  • Chariklia A. Georgopoulou and
  • Maria Founti

29 May 2020

A “Well-to-Propeller” Life Cycle Assessment of maritime transport was performed with a European geographical focus. Four typical types of vessels with specific operational profiles were assessed: a container vessel and a tanker (both with...

  • Article
  • Open Access
5 Citations
2,840 Views
19 Pages

Reaction Kinetics and Mechanism of VOCs Combustion on Mn-Ce-SBA-15

  • Anton Naydenov,
  • Ralitsa Velinova,
  • Jean-Luc Blin,
  • Laure Michelin,
  • Bénédicte Lebeau,
  • Hristo Kolev,
  • Yordanka Karakirova,
  • Daniela Karashanova,
  • Loïc Vidal and
  • Anna Dotzeva
  • + 2 authors

26 May 2022

A propane combustion catalyst based on Mn and Ce and supported by SBA-15 was prepared by the “two-solvents” method aiming at the possible application in catalytic converters for abatement of alkanes in waste (exhaust) gases. The catalyst...

  • Review
  • Open Access
4 Citations
4,251 Views
22 Pages

Holistic View and Novel Perspective on Ruminal and Extra-Gastrointestinal Methanogens in Cattle

  • Godson Aryee,
  • Sarah M. Luecke,
  • Carl R. Dahlen,
  • Kendall C. Swanson and
  • Samat Amat

Despite the extensive research conducted on ruminal methanogens and anti-methanogenic intervention strategies over the last 50 years, most of the currently researched enteric methane (CH4) abatement approaches have shown limited efficacy. This is lar...

  • Article
  • Open Access
2 Citations
4,582 Views
17 Pages

Methane Production from Sugarcane Vinasse Biodigestion: An Efficient Bioenergy and Environmental Solution for the State of São Paulo, Brazil

  • Letícia Rodrigues de Melo,
  • Bruna Zerlotti Demasi,
  • Matheus Neves de Araujo,
  • Renan Coghi Rogeri,
  • Luana Cardoso Grangeiro and
  • Lucas Tadeu Fuess

20 May 2024

This study mapped the bioenergy production from sugarcane vinasse according to the mesoregions of the State of São Paulo (SP), Brazil, assessing the magnitude of biogas-derived electricity and biomethane production and estimating the greenhous...

  • Article
  • Open Access
264 Citations
15,042 Views
17 Pages

29 December 2019

Urban water systems and, in particular, wastewater treatment facilities are among the major energy consumers at municipal level worldwide. Estimates indicate that on average these facilities alone may require about 1% to 3% of the total electric ener...

  • Communication
  • Open Access
1 Citations
1,586 Views
8 Pages

2 July 2024

Two in vitro experiments were conducted to evaluate the effects of Centella asiatica extract (CAE) supplementation on the rumen’s in vitro fermentation characteristics. In the first experiment, CAE with five concentrations (C: 0%; T1: 3.05%; T2...

  • Article
  • Open Access
2 Citations
748 Views
17 Pages

Agricultural Sector Homologous Emission Inventory of Air Pollutants and Greenhouse Gases for China

  • Xiaotang Zhang,
  • Qing’e Sha,
  • Songdi Liao,
  • Junchi Wang,
  • Zeyan Wu,
  • Haoqi Chen,
  • Shan Jiang,
  • Luyun Liu and
  • Citao Zhang

27 March 2025

The agricultural sector is the largest source for air pollutants of ammonia (NH3) and greenhouse gases (GHGs) of nitrous oxide (N2O) and methane (CH4). Establishing a unified and homologous emission inventory of air pollutants and GHGs is essential f...

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