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1

SA, Wemedo. "Impact Assessment of Gas Flaring on Soil Bacterial Community Structure and Physicochemical Property in Nigeria." Open Access Journal of Microbiology & Biotechnology 5, no. 2 (2020): 1–9. http://dx.doi.org/10.23880/oajmb-16000165.

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Gas flaring is the wasteful emission of hydrocarbon gases into the atmosphere; it is routinely used to dispose flammable gas that either is assumed unusable or uneconomical to recover. The burning of the wasteful gas has been shown to have significant environmental consequences. Therefore, this study was designed to determine the impact of gas flaring on soil bacterial spectrum and its physicochemical property. Soil microbiological quality was investigated using culture techniques while physicochemical property of the soil was analyzed using standard analytical procedures. Results obtained sho
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Et al., Mohamed Shamandy Fouad. "Comparative study for connecting new flare capacity to existing flare Systems." Psychology and Education Journal 58, no. 1 (2021): 5795–808. http://dx.doi.org/10.17762/pae.v58i1.1988.

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Process facility operations are equipped with flare system to dispose flammable, toxic, or corrosive vapors to an environmentally acceptable gas for release to the atmosphere from both normal operational venting and relief during abnormal conditions. For safe incineration and radiation considerations flares are located at a remote point from the plant. Flare system when designed is to be limited for a certain capacity for a relieved gas; in addition, it may be designed in excess for future process facilities which may be further added to an existing one.
 KHALDA Petroleum Company is an ow
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Silver, Wurutuawei T., Erepamowei Young, Ajoko T. Imomotimi, Woyengidoubara Terah Angaye, and Christopher Unyime Ebong. "Heavy Metal Pollution in Gas Flare-Impacted Soils: An Assessment Using Pollution Indices in Obunagha, Bayelsa State, Nigeria." Asian Journal of Applied Chemistry Research 15, no. 4 (2024): 17–25. http://dx.doi.org/10.9734/ajacr/2024/v15i4293.

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Gas flaring is the controlled burning of natural gas which occurs as a result of the activities of oil exploration and exploitation using flare stacks. In Nigeria, gas flaring activities is high and it mainly takes place in the Niger Delta region. The aim of this study was to investigate the bioavailability and concentration of heavy metals pollution of gas flare-impacted soils using pollution indices such as contamination factor, geo-accumulation index and pollution load index. Soil samples were collected with soil auger at depths of 0-15 cm from distances of 200 m, 500 m, 1000 m, 2000 m, and
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4

Yayaji, Ibrahim, Xiaoyi Mu, and Tong Zhu. "Do Regulatory Tariffs Curb Gas Flaring? Evidence from Nigeria." Gases 5, no. 2 (2025): 10. https://doi.org/10.3390/gases5020010.

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This study examines the impact of flare tariff adjustments on gas-flaring volumes in Nigeria. Utilising a 52-year dataset, this analysis demonstrates that the effectiveness of flare tariffs in reducing gas flaring depends on the stringency of imposed charges. To isolate this effect, this study distinguishes between tariff regimes implemented before and after 2018, a pivotal year marked by the introduction of substantially higher tariffs under revised regulations. The findings indicate that the pre-2018 tariffs had no statistically significant effect on gas-flaring volumes, whereas the post-201
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Sriana, Tun, and Achmad Rendy Dwi Yulianto. "Process Evaluation of Flaring System Operation In Utility Unit of Gas Processing Plant." IOP Conference Series: Earth and Environmental Science 1504, no. 1 (2025): 012008. https://doi.org/10.1088/1755-1315/1504/1/012008.

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Abstract Oil and gas industry activities in the upstream and downstream sectors generally produce waste in the form of flue gas. The gas produced is toxic and poisonous, so it is dangerous for the surrounding environment because it causes health problems and environmental damage. In handling it, the industry performs a flue gas waste treatment process by burning it in a gas flare system. The flaring system with a capacity of 79.22 MMSCFD is classified as a multi-point flare because the flue gas burned comes from various process units which are flowed in two headers, namely high pressure (>
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Krolik, Julian H., and Itai Linial. "Quasiperiodic Erupters: A Stellar Mass-transfer Model for the Radiation." Astrophysical Journal 941, no. 1 (2022): 24. http://dx.doi.org/10.3847/1538-4357/ac9eb6.

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Abstract Quasiperiodic erupters are a remarkable class of objects exhibiting very-large-amplitude quasiperiodic X-ray flares. Although numerous dynamical models have been proposed to explain them, relatively little attention has been given to using the properties of their radiation to constrain their dynamics. Here we show that the observed luminosity, spectrum, repetition period, duty cycle, and fluctuations in the latter two quantities point toward a model in which a main-sequence star on a moderately eccentric orbit around a supermassive black hole periodically transfers mass to the Roche l
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7

Akpoyibo, Ogheneovo, and Oruaode Jude Vwavware. "Assessing the Impact of Gas Flaring Activities in Ebedei, Southern Nigeria." Nigerian Journal of Physics 33, no. 2 (2024): 137–45. http://dx.doi.org/10.62292/njp.v33i2.2024.247.

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The study looked at how gas flaring affects development and sustainable growth. While the availability of natural gas and crude oil is expected to serve as a socioeconomic stimulus for faster, more sustainable growth, the current situation in Nigeria's oil-producing regions is significantly worse than expected. Eleven (11) experimental locations, including Obinomba (control site), which lacks a gas flaring station, provide data for the collections. The air quality indices concentrations and various temperatures were measured. At a starting location that was 50 meters distant from the flare's b
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8

Radons, G., G. C. Hartmann, H. H. Diebner, and O. E. Rossler. "Staircase baker's map generates flaring-type time series." Discrete Dynamics in Nature and Society 5, no. 2 (2000): 107–20. http://dx.doi.org/10.1155/s1026022600000467.

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The baker’s map, invented by Eberhard Hopf in 1937, is an intuitively accesible, two-dimensional chaos-generating discrete dynamical system. This map, which describes the transformation of an idealized two-dimensional dough by stretching, cutting and piling, is non-dissipative. Nevertheless the “x” variable is identical with the dissipative, one-dimensional Bernoulli-shift-generating map. The generalization proposed here takes up ideas of Yaacov Sinai in a modified form. It has a staircase-like shape, with every next step half as high as the preceding one. Each pair of neighboring elements exc
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9

Toscani, Martina, Giuseppe Lodato, and Elena Maria Rossi. "Discovering intermediate massive black holes through tidally disrupted stars." International Journal of Modern Physics D 28, no. 14 (2019): 1944015. http://dx.doi.org/10.1142/s0218271819440152.

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Stars are spheres of gas held together by self-gravity. When flying by a black hole, however, the star self-binding force can be overwhelmed by the black hole tides and the star can be torn apart. This is a physically rich and fascinating event which will be described by first introducing the concept of black hole from a mathematical point of view. We will then dive into the physics of the tidal disruption and proceed describing the accompanying electromagnetic flare and gravitational wave burst in the frequency range of the Laser Interferometer Space Antenna. This empowers such events to disc
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10

Abdulqadir, Davan, and Fakhri Hamdullah Ibraheem. "Utilizing LPG as an Additive to Enhance the Properties of Iraqi Diesel Oil." Tikrit Journal of Engineering Sciences 30, no. 2 (2023): 10–20. http://dx.doi.org/10.25130/tjes.30.2.2.

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For environmental and economic purposes, it is necessary to search for methods that reduce gas emission by flare from the oil refineries. It causes environmental pollution and warmup. All laboratory tests have been completed at Koya University, with the contribution of the Institute of Technology in Koya, to check some readings and verify their accuracy. Increasing the absorptivity of the gases by heavy oil will have expected to improve oil burning characteristics. This research aims to determine the best operating conditions that leads for higher absorption. In this research the diesel oil is
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11

Ali, M. Omar, Zety Sharizat Hamidi, N. N. M. Shariff, and C. Monstein. "An Analysis of a Single Solar Radio Burst Type III and Type II Coronal Mass Ejections Associated to Solar Flare Event." International Letters of Chemistry, Physics and Astronomy 51 (May 2015): 17–25. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.51.17.

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Solar radio burst type III and II is the subject matter that we are focusing on because type II and III burst are seem to have relation to each other. The most common of type III burst is called isolated type III burst which is produced by energetic electron from small scale energy release site on the sun and it is ranging from small bright point to large active region. This stage can be considered as a pre-flare stage that could be a signature of electron acceleration. Nevertheless, the most important is that the nonlinear wave-wave interaction which involving interaction of electrostatic ele
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12

Ali, M. Omar, Zety Sharizat Hamidi, N. N. M. Shariff, and C. Monstein. "An Analysis of a Single Solar Radio Burst Type III and Type II Coronal Mass Ejections Associated to Solar Flare Event." International Letters of Chemistry, Physics and Astronomy 51 (May 15, 2015): 17–25. http://dx.doi.org/10.56431/p-6d533g.

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Solar radio burst type III and II is the subject matter that we are focusing on because type II and III burst are seem to have relation to each other. The most common of type III burst is called isolated type III burst which is produced by energetic electron from small scale energy release site on the sun and it is ranging from small bright point to large active region. This stage can be considered as a pre-flare stage that could be a signature of electron acceleration. Nevertheless, the most important is that the nonlinear wave-wave interaction which involving interaction of electrostatic ele
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13

Abed, Varag, Alexis Faber, Cristina Jageka, Ryan Goleniak, and Raef Fadel. "Intussusception in the Setting of an Ulcerative Colitis Flare." Case Reports in Gastrointestinal Medicine 2022 (May 30, 2022): 1–3. http://dx.doi.org/10.1155/2022/3559464.

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Intussusception is an extraordinary cause of acute abdomen in adults and has been defined as the telescoping of a bowel segment into the lumen of an adjacent segment. A 43-year-old female presented to our hospital’s emergency department (ED) with 10+ episodes of bloody diarrhea per day, left-sided abdominal pain, and the inability to tolerate oral intake for one month. She was initially diagnosed with ulcerative colitis (UC) ten years ago and is currently on mesalamine oral and enema therapy. She presented to our gastroenterology clinic two weeks after the beginning of her flare and was starte
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14

Afentakis, Georgios P., Kyla Mullaney, Howard Chen, John Blalack, Jade Checlair, and Dorian S. Abbot. "Understanding the Capability of Future Direct-imaging Observations to Quantify Atmospheric Chemical Effects of Stellar Proton Events." Astronomical Journal 166, no. 3 (2023): 117. http://dx.doi.org/10.3847/1538-3881/ace7b8.

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Abstract Models developed for Earth are often applied in exoplanet contexts. Validation in extraterrestrial settings can provide an important test of model realism and increase our confidence in model predictions. NASA’s upcoming space-based IROUV telescope will provide unprecedented opportunities to perform such tests. Here, we use the Planetary Spectrum Generator to simulate IROUV reflected-light spectroscopic observations of flare-driven photochemical changes produced by the Whole Atmosphere Community Climate Model, part of the Community Earth System Model framework. We find that NO2 is the
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15

Keen, Gordon. "Water conservation at ExxonMobil facilities." APPEA Journal 48, no. 1 (2008): 261. http://dx.doi.org/10.1071/aj07017.

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As a result of Australia’s long-running drought there has been renewed community focus on water as a vital resource. In response to this and as part of ExxonMobil’s environmental performance improvement program, local water conservation teams have been established at multiple ExxonMobil Australia sites in Victoria. This has stimulated an increased focus on water as a precious resource across the entire workforce resulting in additional emphasis on pro-active planning for water conservation. In one initiative, freshwater use at Altona Refinery was reduced by one megalitre per day. This was achi
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16

Levrier, F., J. Neveu, E. Falgarone, et al. "Statistics of the polarized submillimetre emission maps from thermal dust in the turbulent, magnetized, diffuse ISM." Astronomy & Astrophysics 614 (June 2018): A124. http://dx.doi.org/10.1051/0004-6361/201732128.

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Context. The interstellar medium (ISM) is now widely acknowledged to display features ascribable to magnetized turbulence. With the public release of Planck data and the current balloon-borne and ground-based experiments, the growing amount of data tracing the polarized thermal emission from Galactic dust in the submillimetre provides choice diagnostics to constrain the properties of this magnetized turbulence. Aims. We aim to constrain these properties in a statistical way, focussing in particular on the power spectral index βB of the turbulent component of the interstellar magnetic field in
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17

Nwosi-Anele, Adaobi Stephenie. "Technology Focus: Natural Gas Processing and Handling (April 2025)." Journal of Petroleum Technology 77, no. 04 (2025): 42–43. https://doi.org/10.2118/0425-0042-jpt.

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Natural gas processing includes an array of operations, including natural gas dehydration, sweetening, liquefaction, fractionation, knockout of inert gases, transportation, and transmission to sales point. These processes require interactions of different phases of dry-gas and wet-gas pressure, volume, and temperature. These interactions are demonstrated using equations of state, simulations, and models. Recently, artificial intelligence (AI), deep learning (DL), and machine learning (ML) have taken natural gas processing and handling on a new trajectory, replacing complex simulation runs. Cha
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18

Assaf, Omar Musheer, and Siraj Mohammed Abdulla. "Air Quality Assessment in an Oil and Gas Field at Atrush Area With Particulare Reference to Sulfur Dioxide and Nitrogen Dioixde." Science Journal of University of Zakho 11, no. 1 (2023): 59–64. http://dx.doi.org/10.25271/sjuoz.2023.11.1.993.

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The effectiveness and usability of a diffusion tube for air quality sampling were assessed at 14 sites throughout an oil and gas production area in Atrush sub-district for measurement of Sulfur dioxide (SO2) and nitrogen dioxide (NO2) in ambient air by Palmes diffusion tubes in air during autumn and winter season of 2021-2022. Using triethanolamine as a trapping agent, the passive sampler collects SO2 and NO2, which are then proven to be sulphate and nitrite using ion chromatography and visible spectrometry. Ion chromatography was used to determine the respective dissolved ionic forms of SO2.
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19

Varon, Daniel J., Dylan Jervis, Jason McKeever, Ian Spence, David Gains, and Daniel J. Jacob. "High-frequency monitoring of anomalous methane point sources with multispectral Sentinel-2 satellite observations." Atmospheric Measurement Techniques 14, no. 4 (2021): 2771–85. http://dx.doi.org/10.5194/amt-14-2771-2021.

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Abstract. We demonstrate the capability of the Sentinel-2 MultiSpectral Instrument (MSI) to detect and quantify anomalously large methane point sources with fine pixel resolution (20 m) and rapid revisit rates (2–5 d). We present three methane column retrieval methods that use shortwave infrared (SWIR) measurements from MSI spectral bands 11 (∼ 1560–1660 nm) and 12 (∼ 2090–2290 nm) to detect atmospheric methane plumes. The most successful is the multi-band–multi-pass (MBMP) method, which uses a combination of the two bands and a non-plume reference observation to retrieve methane columns. The
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20

Makarova, Irina A. "The Role of Payments for Emissions of Pollutants From Associated Petroleum Gas Flaring as a Tool for Regulating the Rational Use of Natural Resources in the Oil-Producing Regions of the Russian Federation." Vestnik Tomskogo gosudarstvennogo universiteta. Ekonomika, no. 52 (2020): 198–214. http://dx.doi.org/10.17223/19988648/52/12.

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For a long time, Russia was the leader in associated petroleum gas (APG) flaring. This led to the destruction of useful raw materials and environmental pollution. Due to the tightening of the state policy in the field of the APG rational use and the introduction of fees for APG flaring in 2012, oil producing companies had an incentive to use APG efficiently. In addition, the level of air pollution began to decline. The budgets of the constituent entities of the Russian Federation in the oil-producing regions began to receive significant revenues. Some experts expected that the APG efficiency t
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Carpenter, Chris. "Lean Gas-Flare-Tip Technology Reduces Emissions in the Gulf of Thailand." Journal of Petroleum Technology 76, no. 04 (2024): 64–66. http://dx.doi.org/10.2118/0424-0064-jpt.

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_ This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 216098, “Revolutionizing Sustainability: Achieving Net-Zero Emissions With Lean Gas-Flare-Tip Technology Breakthrough in the Gulf of Thailand,” by Nunthachai Amarutanon, Boonyakorn Assavanives, and Kantkanit Watanakun, PTTEP, et al. The paper has not been peer reviewed. _ In the complete paper, the authors describe an extremely low-BTU (ELBTU) flare-tip technology designed to help the oil and gas industry achieve net-zero targets. The operator embarked on a joint research and development project
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С.А., Красноперова. "ПРОБЛЕМА УТИЛИЗАЦИИ ПОПУТНОГО НЕФТЯНОГО ГАЗА НА ПРИМЕРЕ НЕФТЯНОГО МЕСТОРОЖДЕНИЯ УДМУРТСКОЙ РЕСПУБЛИКИ". Управление техносферой 4, № 1 (2021): 63–74. http://dx.doi.org/10.34828/udsu.2021.65.70.007.

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В статье рассмотрена проблема утилизации попутного нефтяного газа (ПНГ) на нефтяных и газовых месторождениях, находящихся на поздней стадии разработки. Известно, что в составе продуктов сгорания попутного газа в атмосферный воздух поступают значительные объемы углекислого газа, оксида серы и азота, иногда даже ртути, и других компонентов, которые негативно влияют на окружающую природную среду. Источниками попутного газа в основном являются факельные установки, на которых сжигаются значительные количества углеводородных газов. На примере одного из нефтяных месторождений Удмуртии показаны вариан
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Reuben, Ubulom, Simeon, Akpan, Ubong Eno, Yawo, Okwet Joseph, Essien, Idorenyin Chrysanthus, and Edemumo, Friday Okon. "Evaluation of the Effects of Heavy Metals on Sediments and Rainwater Samples Due to Gas Flaring in the South Eastern Nigeria." Journal of Global Ecology and Environment 18, no. 3 (2023): 1–16. http://dx.doi.org/10.56557/jogee/2023/v18i38319.

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This study evaluates the concentrations of heavy metals in sediment and rainwater samples of Ibeno, south eastern Nigeria due to gas flaring. Surface sediment samples were collected randomly in six different sites during the dry season in the intertidal zone at extremely low tide from the flare point to a distance of about 250m away from the flare site. Rainwater samples were collected with the use of pre-clean basins at an open space in three selected communities of Ibeno and were transferred into different sterilized plastic rubbers with their labels. These samples were transported to the la
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Tao, Chong, Jon Chow, Lei Sui, et al. "Validation of a New Method for Continuous Flare Combustion Efficiency Monitoring." Atmosphere 15, no. 3 (2024): 356. http://dx.doi.org/10.3390/atmos15030356.

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A new method is described for calculating flare combustion efficiency (CE) and destruction and removal efficiency (DRE) using a numerical parametric model. The method combines key variables that affect flare performance including the flare vent gas net heating value (NHV), flare design, flow rate, exit velocity, and inert gas composition, alongside the environmental influence of crosswind speed. Each effect is characterized using a parametric model derived from experimental testing data and computational fluid dynamics (CFD). The inclusion of CFD allows the model to be extended into the high-w
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Emekwuru, Nwabueze. "Characterization of the Dominant Stages at Which Gas Flaring Is Introduced: Impacts and Policy Options to Ameliorate Them." Environments 11, no. 7 (2024): 158. http://dx.doi.org/10.3390/environments11070158.

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Information on associated gas flaring in the Niger Delta is analyzed to characterize the various stages in the lifecycle of an oil exploration and production facility through which gas flaring is introduced into an area, leading to ecological, health, and economic impacts, and possible policies and implementation strategies for the reduction of the flared gas are offered. Gas flaring is currently occurring at a rate of 5318 million m3 per year in the Niger Delta region. The impacts of gas flaring on the ecological, human, and economic systems include poor air quality, acid rain, and soil degra
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Owolabi, John Olusoji, Olatokunbo Olatunbosun Kila, and Abdulwahab Giwa. "Modelling and Simulation of a Natural Gas Liquid Fractionation System Using Aspen HYSYS." International Journal of Engineering Research in Africa 49 (June 2020): 1–14. http://dx.doi.org/10.4028/www.scientific.net/jera.49.1.

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The global use of natural gas is growing quickly, and this is attributed primarily to its environmental advantage over fossil fuels such as crude oil and coal. This natural gas is usually flared in refineries because extra charges would be incurred in collecting and processing it. A country flares about 800 million standard cubic feet (Mmscf) of gas per day, from approximately 144 gas flare points across the nation, losing a huge amount of money per annum. A liquefied natural gas plant has converted about 5.58 trillion cubic feet (Tcf) of associated gas to exports as liquefied natural gas and
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Gross, Arran C., Andrea Prestwich та Philip Kaaret. "Resolving the ultraluminous X-ray sources in the Ly α emitting galaxy Haro 11". Monthly Notices of the Royal Astronomical Society 505, № 1 (2021): 610–27. http://dx.doi.org/10.1093/mnras/stab1331.

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ABSTRACT Lyman continuum and line emission are thought to be important agents in the reionization of the early Universe. Haro 11 is a rare example of a local galaxy in which Ly α and continuum emission have escaped without being absorbed or scattered by ambient gas and dust, potentially as a consequence of feedback from its X-ray sources. We build on our previous Chandra analysis of Haro 11 by analysing three new observations. Our subpixel spatial analysis reveals that the two previously known X-ray sources are each better modelled as ensembles of at least two unresolved point sources. The spa
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Döner, Nimeti, Berkay Şahin, and Mustafa İlbaş. "Flame and Flow Analysis of LPG in Household Cookers with Rectangular Ports." Journal of Polytechnic 27, no. 3 (2024): 1121–28. http://dx.doi.org/10.2339/politeknik.1246174.

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The cold flow and flame characteristics of liquefied petroleum gas (LPG- mixing 70% butane and 30% propane) in a household stove are experimentally investigated. The household stove has three cookers with rectangular ports and different sizes. The flame temperature and gas flow velocity are measured at maximum and minimum flow rates under laboratory conditions. Temperatures in the horizontal, vertical, and diagonal directions are measured at a distance between the reference point and 3 cm. The temperatures between the maximum and minimum flow rates show significant differences for all cookers.
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Britzen, Silke, Christian Fendt, Michal Zajaček, et al. "3C 84: Observational Evidence for Precession and a Possible Relation to TeV Emission." Galaxies 7, no. 3 (2019): 72. http://dx.doi.org/10.3390/galaxies7030072.

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3C 84 (NGC 1275, Perseus A) is a bright radio source at the center of an ongoing merger, where HST observations show two colliding spiral galaxies. 3C 84 holds promise to improve our understanding about how of the activity of active galactic nuclei, the formation of supermassive binary black holes, feedback processes, and galaxy collisions are interrelated. 3C,84 is one of only six radio galaxies, which reveal TeV emission. The origin of this TeV emission is still a matter of debate. Our present study is based on high resolution radio interferometric observations (15 GHz) of the pc-scale jet i
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Barekat-Rezaei, Ehsan, Mahmood Farzaneh-Gord, Alireza Arjomand, Mohsen Jannatabadi, Mohammad Ahmadi, and Wei-Mon Yan. "Thermo–Economical Evaluation of Producing Liquefied Natural Gas and Natural Gas Liquids from Flare Gases." Energies 11, no. 7 (2018): 1868. http://dx.doi.org/10.3390/en11071868.

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In many industrial plants including petrochemicals and refineries, raw hydrocarbons (mostly flammable gas) are released during unplanned operations. These flammable gases (usually called flare gases) are sent to a combustor and the process is called flaring. Flaring wastes energy and produces environmental pollution. Consequently, recovering the flare gases is an important subject in these industries. In this work, an economical and technical analysis is presented for the production of valuable products, namely, liquefied natural gas and natural gas liquids from flare gas. The flare gas of Faj
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Ahmadzadeh, Ali, Alireza Noorpoor, and Gholamreza Nabi Bidhendi. "Optimization and management of flare gases through modification of knock-out drum HP flares by 4R approach based on 3E structures." International Journal of Renewable Energy Development 13, no. 1 (2023): 122–31. http://dx.doi.org/10.14710/ijred.2024.56524.

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The goal of this study is the Optimization and Management of Flare Gases through the Modification of Knock-out Drum HP Flares. The optimization of the K.O.D. is to create a shell around it and inject water steam into the shell, so that a uniform temperature distribution has done inside the drum, so freezing does not occur, and liquid that drops inside the burner, does not burn. The result of the simulations showed that in the drainage part of the drum, humidity associated with inlet gas freezes upon entering it after pressure and temperature drop suddenly. In the drainage part of the drum and
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Jacobs, Trent. "Comments: The Race to Zero: Can Oil and Gas Eliminate Scope 1 Emissions?" Journal of Petroleum Technology 77, no. 02 (2025): 16–18. https://doi.org/10.2118/0225-0016-jpt.

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_ Most of the largest oil and gas companies, along with many service providers, have set their sights on achieving net-zero Scope 1 emissions within the next 15 to 20 years. But when it comes to executing this ambition, the industry faces a simple but intimidating question: Where to begin? Greenhouse gases (GHGs) are woven into every stage of a well’s life which presents challenges that demand creative solutions that do not require too much capital. At the 2024 Abu Dhabi International Petroleum Conference (ADIPEC), a global lineup of operators and service providers shared their answers. More t
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Carpenter, Chris. "Study Makes Value Proposition for Carbon-Neutral Fuel From Light Tight Oil." Journal of Petroleum Technology 75, no. 07 (2023): 92–95. http://dx.doi.org/10.2118/0723-0092-jpt.

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_ This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper URTeC 2021-5437, “Carbon-Neutral Fuel From Light Tight Oil: A Value Proposition,” by Christine A. Ehlig-Economides, SPE, University of Houston. The paper has not been peer reviewed. _ Emissions for light tight oil often begin with associated gas. Rather than flare the stranded methane, an option may be to use it to power capture of CO2 from the air using direct air capture (DAC) technologies. This study catalogs global gas/oil ratio (GOR) data to identify currently produced light crude oils that coul
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Gruhlke, Pascal, Christian Beck, Bertram Janus, and Andreas M. Kempf. "LES Analysis of CO Emissions from a High Pressure Siemens Gas Turbine Prototype Combustor at Part Load." Energies 13, no. 21 (2020): 5751. http://dx.doi.org/10.3390/en13215751.

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This work contributes to the understanding of mechanisms that lead to increased carbon monoxide (CO) concentrations in gas turbine combustion systems. Large-eddy simulations (LES) of a full scale high pressure prototype Siemens gas turbine combustor at three staged part load operating conditions are presented, demonstrating the ability to predict carbon monoxide pollutants from a complex technical system by investigating sources of incomplete CO oxidation. Analytically reduced chemistry is applied for the accurate pollutant prediction together with the dynamic thickened flame model. LES result
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35

Wang, Yu, and Yun Yi Wu. "Study on Numerical Simulation of Gas Explosion inside Compression Compartment of Gas Filling Station." Advanced Materials Research 962-965 (June 2014): 531–38. http://dx.doi.org/10.4028/www.scientific.net/amr.962-965.531.

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For the compression compartment safety design in gas filling station, hazards of gas explosion inside compression compartment should be assessed, and explosion energy as well as influence factors should be determined. In this paper, numerical simulation was adopted to build 3D model of compression compartment and simulate gas explosion pressure and flame propagation behavior under different ignition point location, open-pressure and weight of relief panels. The results show that the ignition point location relative to the location of the vent opening and relief panel’s characteristics is very
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36

Uchida, Y., T. Tanaka, M. Hata, and R. Cameron. "Investigation of Coronal Mass Ejections. I. Loop-type with Arcade Flare between the Fixed Legs, and Bubble-type Due to Flare Blast Waves." Publications of the Astronomical Society of Australia 18, no. 4 (2001): 345–50. http://dx.doi.org/10.1071/as01043.

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AbstractIn this paper, we give arguments that there are two types of coronal mass ejection (CME).The first type of CME discussed here is the ‘loop-type’, whose occurrence is related to an arcade flare somewhere between the footpoints. It was found that there were pre-event magnetic connections between the flare location and the locations of the footpoints of a CME of this type, and that these connections disappeared after the event. This suggests that the footpoints of loop-type CMEs are special prescribed points, and this was verified by the observation that the footpoints do not move in this
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37

Liu, Duo, Shaochen Sun, and Lin Wang. "Numerical Simulation of the Propagation of Premixed Gas in a Pipe Flame Arrestor." Journal of Physics: Conference Series 2488, no. 1 (2023): 012005. http://dx.doi.org/10.1088/1742-6596/2488/1/012005.

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Abstract In this paper, a numerical model of the propagation process of premixed gas in a pipeline flame arrestor is established and solved. The numerical simulation results show that the flame propagation velocity and pressure variation curves of the propane-air premixed gas are the same as those of the ethylene-air premixed gas. The flame front and pressure oscillate periodically throughout the process, and the flame speed oscillates down when the flame front reaches approximately the middle and rear of the pipe. In contrast, the flame velocity versus pressure curve for the explosion of hydr
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38

Cristine, Viecelli Nathália, Cardoso Eduardo Müller, Lovatel Eduardo Ribeiro, Nascimento Filho, and Irajá Do. "Analysis of Environmental Disrupters in a Wastewater Treatment Plant." Applied Mechanics and Materials 319 (May 2013): 182–87. http://dx.doi.org/10.4028/www.scientific.net/amm.319.182.

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This study investigated the occurrence of Bisphenol A (BPA), di-n-butyl phthalate (DBP), and di(2-ethylhexyl)phthalate (DEHP) in the wastewater treatment plant of the University of Caxias do Sul (WWTP-UCS). The wastewater samples from the inflow and outflow points were submitted to Liquid-Liquid Extraction (LLE). The organic extracts were analyzed by Gas Chromatography with Flame Ionization Detection (GC-FID). The average concentrations at the outflow points were 3.17, 5.83 and 2.10 µg/mL, for BPA, DBP and DEHP, respectively. These high target compound contents at the outflow point may be due
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39

Bardi I, Juliet, Docas Bawo SS, Ayodele Oyedeji, I. Bardi Stephen, and Nenchini Koplamma B. "Analysis of Heavy Metal Concentration of Surface Water Around Gas-flaring Stations in Selected Areas of Delta State, Nigeria." Open Journal of Environmental Biology 10, no. 1 (2025): 029–36. https://doi.org/10.17352/ojeb.000048.

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Gas flaring is a widespread practice in the Niger Delta region, resulting in the release of toxic gases and heavy metals particulate into the atmosphere. This research investigated the heavy metal concentration in surface water around gas flaring stations in selected areas of Delta state. Locations A, B, C representing Amukpe, Ekpan, Oton where gas flaring activities are still ongoing were selected for this study, while Location D(pontu) is about 6km from the closest gas flare was used as control. Water samples were collected from rivers/streams of study locations at radial distance of 100m fr
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40

Zhang, Jingkun, Yongbo Du, Siyu Zong, et al. "An Experimental Study on the Combustion Characteristics of a Methane Diffusion Flame within a Confined Space under Sub-Atmospheric Pressure." Applied Sciences 13, no. 17 (2023): 9848. http://dx.doi.org/10.3390/app13179848.

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Gas-fired boilers, gas stoves, and wall-mounted gas boilers are the main consumers of gas fuel, but they generally encounter problems when operating at high altitudes, such as reduced thermal efficiency and increased pollutant emissions. Previous studies on gas combustion characteristics under sub-atmospheric pressure were mostly carried out in a large space, which is quite different from chamber combustion equipment. Therefore, it is insufficient to guide the design and operation optimization of plateau gas equipment. In this paper, experimentations were carried out to explore the characteris
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41

Ijeoma Catherine, Clinton-Ezekwe, OSU Ikenna Charles, Ezekwe Ifeanyichukwu Clinton, and Raimi Morufu Olalekan. "Slow death from pollution: potential health hazards from air quality in the mgbede oil fields of southsouth Nigeria." Open Access Journal of Science 5, no. 1 (2022): 61–69. http://dx.doi.org/10.15406/oajs.2022.05.00177.

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Background: Today, pollution is a serious issue that threatens the health of billions of people, weakens the economic security of nations, and is to blame for a significant portion of the world's burden of disease, disability, lost productivity, medical expenses, and costs associated with ecosystem damage and premature death. However, despite their enormous size, these expenses are often hidden and frequently go unnoticed as a result of pollution. This has the effect of preventing the entire costs of pollution from being understood, often going uncounted, and being used to counteract economic
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42

Xiong, Zijie, Zibo Wang, Shenbin Wang, and Yusong Yu. "Experimental Study on the Pulsed Operating Characteristics of a Hydrogen–Oxygen Engine Based on Microwave Ignition Technology." Sustainability 17, no. 12 (2025): 5549. https://doi.org/10.3390/su17125549.

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The fuel produced through water electrolysis is non-toxic and clean, and the water propulsion system offers low cost and easy integration with other systems. This study investigates the pulse operating characteristics of a water electrolytic chemical propulsion engine using microwave ignition technology. A high-speed camera captured flame images, while a spectrometer and pressure sensor were used for data quantification. Three peak gas pressure points were selected for data analysis. The experimental results revealed that the flame color changes at different combustion stages, starting white a
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43

Tao, Chengfei, and Hao Zhou. "Effects of ‘Oxy’ jet in cross flow on the combustion instability and NOx emissions in lean premixed flame." Thermal Science, no. 00 (2021): 178. http://dx.doi.org/10.2298/tsci201215178t.

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Combustion instability and nitrogen oxides emission are crucial factors for modern gas turbine combustors, which seriously hampers the research and development of advanced combustors. To eliminate combustion instability and NOx emissions simultaneously, effects of the ?Oxy? (CO2/O2, N2/O2, Ar/O2and He/O2) jet in cross flow(JICF)on combustion instability and NOx emissions are experimentally studied. In this research, the flow rate and oxygen ratio of the combustor are varied to evaluate the control effectiveness. Results denotes that all the four oxy fuel gas: CO2/O2, N2/O2, Ar/O2and He/O2, cou
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44

Gu¨lder, O¨ L., B. Glavincˇevski, and S. Das. "Effect of Molecular Structure on Soot Formation Characteristics of Aviation Turbine Fuels." Journal of Engineering for Gas Turbines and Power 111, no. 1 (1989): 77–83. http://dx.doi.org/10.1115/1.3240230.

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The smoke point has been shown to be quantitatively related to the molecular structure of hydrocarbon fuels. A fast technique of determining the molecular composition of commercial and experimental fuels, in terms of carbon type structure, by using proton nuclear magnetic resonance (1H NMR) spectrometry, has been described. By measuring the smoke point soot yields of a laminar diffusion flame with a group of fuels—all having a constant hydrogen-to-carbon ratio—it has been shown that neither the smoke point nor the hydrogen-to-carbon ratio alone can describe the sooting propensity of turbine fu
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45

Korolchenko, D. A., A. F. Sharovarnikov, and A. V. Byakov. "The Analysis of Oil Suppression by Aqueous Film Forming Foam through a Gas-Salt Layer of Water." Advanced Materials Research 1073-1076 (December 2014): 2353–57. http://dx.doi.org/10.4028/www.scientific.net/amr.1073-1076.2353.

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Regularities and procedure of suppression of oil flame through a gas-salt layer of water are determined as a result of laboratory experiments. Conclusion about defining role of surface activity of foam concentrates in guaranteeing of reliable flame suppression by foam in process of its supplying into the bottom of tank through a gas-salt layer of water is drawn. Time of oil product suppression, which includes the time of saturation of a gas-salt layer of water by surface-active substances and the time of burning elimination, is defined. It is revealed that foam rising through a gas-salt layer
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46

Chen, Mingmin, Li Wang, Xinbo Huang, et al. "Study on the Flame Transition Characteristics of a Gas Turbine Combustor." Journal of Marine Science and Engineering 12, no. 5 (2024): 719. http://dx.doi.org/10.3390/jmse12050719.

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Gas turbines are widely used as important equipment for electricity generation on islands and offshore platforms. During the operation of a gas turbine, the flame shape in the combustion chamber undergoes variations in response to changes in parameters such as gas turbine load, fuel distribution, and burner structure. These alterations in flame shape exert influence on combustion instability, emissions, and load characteristics. This study explores the variations in flame transition, emissions, and operating parameters among three distinct center stage structures: namely, the non-premix center
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47

Peng, Yudan, Jing Yu, Weifeng Chen, et al. "Experimental Study on Combustion Characteristics of Methane Vertical Jet Flame." Processes 13, no. 4 (2025): 1207. https://doi.org/10.3390/pr13041207.

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A jet flame is a common type of flame in fires in the oil and gas industries. At present, research on jet flames is still not comprehensive enough. To systematically investigate the combustion characteristics of vertical methane jet flames, experiments were conducted on vertical methane jet flames, supplementing the existing experimental data on jet fires. The study reveals variations in the flame shape, center temperature, and thermal radiation with different flow rates and nozzle diameters, and the mechanisms of change in the flame center temperature and thermal radiation are discussed. The
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48

Sun, Yongchao, Mingbo Sun, Jiajian Zhu, et al. "The local extinction and the nonlinear behaviors of a premixed methane/air flame under low-frequency acoustic excitation." Modern Physics Letters B 34, no. 13 (2020): 2050138. http://dx.doi.org/10.1142/s0217984920501389.

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The local extinction and the nonlinear behavior of a premixed methane/air flame under acoustic excitation are investigated experimentally. High-speed photography and high-speed schlieren imaging are used to investigate the oscillation characteristics of the premixed methane/air flame. The flame structure shows a periodic fluctuation when the acoustic excitation is performed to the flame. The local flame extinction can be observed during the flame evolution process. During the local flame extinction process, the flame is found to be cut into two components, then the downstream one extinguishes
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49

Dinkov, Ilian, Jan H. Braun, and Dietmar Schelb. "Hydrogen in the Natural Gas Network—Relevance for Existing Fire Precautions." Fire 7, no. 6 (2024): 189. http://dx.doi.org/10.3390/fire7060189.

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Power-to-gas technology can be used to convert excess power from renewable energies to hydrogen by means of water electrolysis. This hydrogen can serve as “chemical energy storage” and be converted back to electricity or fed into the natural gas grid. In the presented study, a leak in a household pipe in a single-family house with a 13 kW heating device was experimentally investigated. An admixture of up to 40% hydrogen was set up to produce a scenario of burning leakage. Due to the outflow and mixing conditions, a lifted, turbulent diffusion flame was formed. This led to an additional examina
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50

Aіtеnov, E., F. Y. Abdrakova, Zh B. Beхsultan, Zh К. Myshyrova, and M. I. Tulepov. "Investigation of the combustion processes of gas-generating flame extinguisher cartridges with car-bon combustible." Novosti nauki Kazahstana 156, no. 1 (2023): 23–27. http://dx.doi.org/10.53939/15605655/2023_1_23.

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The aim of the work is to search optimal compositions of gas-generating flame extinguisher cartridges, which should catch fire in very short periods of time, measured within 10-15 milliseconds, in this regard, studies of the flash point with a minute delay in ignition of pyrotechnic components were conducted. The flash point of the initial components, including nano aluminum T = 4200 C, has been established. The optimal composition of the flame extinguisher is NA – 80; Nano Al – 5; Nano C – 15, with this composition the flash point decreases to T = 3500 C. It should also be noted the minimum s
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