Experimental measurements of carbon dioxide, methane and nitrogen high-pressure adsorption properties onto Malaysian coals under various conditions

Abunowara, Mustafa; Sufian, Suriati; Bustam, Mohamad Azmi; Eldemerdash, Usama; Suleman, Humbul; Bencini, R.; Assiri, Mohammed A.; Ullah, Sami; Al‐Sehemi, Abdullah G.

doi:10.1016/j.energy.2020.118575

Cited by 37 publications

(28 citation statements)

References 73 publications

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“…In the Coal Bed Methane Extraction method, Coal reserves generally have a high content of methane [ 56 ]. If the captured carbon dioxide is pumped into the coal mine, methane will be released because the chemical bonding affinity of the coal with carbon dioxide is better than methane [ 57 ]. This methane can then be used to generate electricity.…”

Section: Co 2 Storage Methodsmentioning

confidence: 99%

Decarbonization in ammonia production, new technological methods in industrial scale ammonia production and critical evaluations

Yüzbaşıoğlu

Tatarhan

Gezerman

2021

Heliyon

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With the synthesis of ammonia with chemical methods, global carbon emission is the biggest threat to global warming. However, the dependence of the agricultural industry on ammonia production brings with it various research studies in order to minimize the carbon emission that occurs with the ammonia synthesis process. In order to completely eliminate the carbon emissions from ammonia production, both the hydrogen and the energy needed for the operation of the process must be obtained from renewable sources. Thus, hydrogen can be produced commercially in a variety of ways. Many processes are discussed to accompany the Haber Bosch process in ammonia production as potential competitors. In addition to parameters such as temperature and pressure, various plasma catalysts are being studied to accelerate the ammonia production reaction. In this study, various alternative processes for the capture, storage and complete removal of carbon gas released during the current ammonia production are evaluated and the current conditions related to the applicability of these processes are discussed.In addition, it has been discussed under which conditions it is possible to produce larger capacities as needed in the processes studied in order to reduce carbon gas emissions during ammonia production in order to provide raw material source for fertilizer production and energy sector. However, if the hydrogen gas required for ammonia production is produced using a solid oxide electrolysis cell, the reduction in the energy requirement of the process and in this case the reduction of energy costs shows that it will play an important role in determining the method to be used for ammonia production. In addition, it is predicted that working at lower temperature (<400 C) and pressure (<10 bar) values in existing ammonia production technologies, despite increasing possible energy costs, will significantly reduce process operating costs.

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Section: Co 2 Storage Methodsmentioning

confidence: 99%

Decarbonization in ammonia production, new technological methods in industrial scale ammonia production and critical evaluations

Yüzbaşıoğlu

Tatarhan

Gezerman

2021

Heliyon

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“…N 2 is used for ECBM extraction because N 2 promotes methane desorption from the coal matrix [12,14,91,92]. N 2 reaches equilibrium quickly, leading to a more rapid response [91,93].…”

Section: N 2 Injectionmentioning

confidence: 99%

“…Temperature and pressure are important factors in ECBM recovery. Higher temperatures lead to reduced gas adsorption capacities, reductions in the residual forces on the coal matrix surface and breaking of the bonds between gas molecules and the coal [92]. In contrast, higher pressures increase the coal adsorption capacity [100].…”

Section: Gas Adsorptionmentioning

confidence: 99%

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Adsorption Factors in Enhanced Coal Bed Methane Recovery: A Review

Tambaria

Sugai

Nguele

2022

Gases

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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. Both experimental methods and modeling have been used to assess gas adsorption and its effects, including volumetric and gravimetric techniques, as well as the Ono–Kondo model and other numerical simulations. Thermodynamic parameters may be used to model adsorption on coal surfaces while adsorption isotherms can be used to predict adsorption on coal pores. In addition, density functional theory and grand canonical Monte Carlo methods may be employed. Complementary analytical techniques include Fourier transform infrared, Raman spectroscopy, XR diffraction, and 13C nuclear magnetic resonance spectroscopy. This review summarizes the cutting-edge research concerning the adsorption of CO2, N2, or mixture gas onto coal surfaces and into coal pores based on both experimental studies and simulations.

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“…Both coal and shale are sedimentary rocks, oil and gas resources mainly occur in clay minerals and organic matter. The content and distribution of these substances can affect the adsorption characteristics of methane (Chen et al, 2017;Abunowara et al, 2020). Pores are the main place where oil and gas resources are enriched, and the adsorption characteristics of methane in different structures and types of pores are different.…”

Section: Factors Influencing Gas Sorptionmentioning

confidence: 99%

Sorption characteristics in coal and shale: A review for enhanced methane recovery

2021

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The exploration and exploitation of hydrocarbon resources within coal and shale reservoirs is an engineering challenge. Well-developed internal micro-pore structures, complex sorption mechanism as well as numerous influencing factors affecting the gas flow are generally not well-accounted in the commercial life-cycle of shale gas and coalbed methane wells. Although large number of studies have been conducted to propose improved sorption models and study the influencing factors on adsorption and desorption characteristics of methane and CO 2 in coal and shale reservoirs, a systematic review of such studies for efficient understanding of the accumulated literature is missing, especially with a focus towards coal and shale reservoirs. In that context, this study presents a review of sorption characteristics of methane in coal and shale. Firstly, theoretical mechanisms for methane sorption are introduced, followed by description of sorption models. Further, three factors influencing the sorption of gas in coal and shale are described: total organic carbon and clays, pore structures, and reservoir conditions. Finally, the preferential sorption characteristics of hydrocarbons and carbon dioxide are described, and the methods to promote methane desorption for enhanced recovery are discussed, which include technologies such as gas injection, microwave heating, and hydraulic fracturing.

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Experimental measurements of carbon dioxide, methane and nitrogen high-pressure adsorption properties onto Malaysian coals under various conditions

Cited by 37 publications

References 73 publications

Decarbonization in ammonia production, new technological methods in industrial scale ammonia production and critical evaluations

Decarbonization in ammonia production, new technological methods in industrial scale ammonia production and critical evaluations

Adsorption Factors in Enhanced Coal Bed Methane Recovery: A Review

Sorption characteristics in coal and shale: A review for enhanced methane recovery

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