scholarly journals Construction of Buertai Coal Macromolecular Model and GCMC Simulation of Methane Adsorption in Micropores

ACS Omega ◽  
2021 ◽  
Vol 6 (17) ◽  
pp. 11173-11182
Author(s):  
Zhiyuan Yang ◽  
Zhiqiang Yin ◽  
Wenying Xue ◽  
Zhuoyue Meng ◽  
Yinyan Li ◽  
...  
Keyword(s):  
Methane Adsorption ◽  
Gcmc Simulation

Temperature (200-283 K) dependence of methane adsorption onto hydrophobic nanosilica/arginine composite at various hydration

2021 ◽  
pp. 126844
Author(s):  
Vladimir V. Turov ◽  
Vladimir M. Gun’ko ◽  
Tetyana V. Krupska ◽  
Mykola V. Borysenko ◽  
Magdalina D. Tsapko ◽  
...  
Keyword(s):  
Methane Adsorption

scholarly journals Simulation of methane adsorption in diverse organic pores in shale reservoirs with multi-period geological evolution

2021 ◽  
Author(s):  
Shangbin Chen ◽  
Chu Zhang ◽  
Xueyuan Li ◽  
Yingkun Zhang ◽  
Xiaoqi Wang
Keyword(s):  
Organic Matter ◽  
Pore Size ◽  
Adsorption Capacity ◽  
Thermal Evolution ◽  
Methane Adsorption ◽  
Storage Site ◽  
Pressure Sensitivity ◽  
Adsorption Characteristics ◽  
Shale Reservoirs ◽  
Organic Pores

AbstractIn shale reservoirs, the organic pores with various structures formed during the thermal evolution of organic matter are the main storage site for adsorbed methane. However, in the process of thermal evolution, the adsorption characteristics of methane in multi type and multi-scale organic matter pores have not been sufficiently studied. In this study, the molecular simulation method was used to study the adsorption characteristics of methane based on the geological conditions of Longmaxi Formation shale reservoir in Sichuan Basin, China. The results show that the characteristics of pore structure will affect the methane adsorption characteristics. The adsorption capacity of slit-pores for methane is much higher than that of cylindrical pores. The groove space inside the pore will change the density distribution of methane molecules in the pore, greatly improve the adsorption capacity of the pore, and increase the pressure sensitivity of the adsorption process. Although the variation of methane adsorption characteristics of different shapes is not consistent with pore size, all pores have the strongest methane adsorption capacity when the pore size is about 2 nm. In addition, the changes of temperature and pressure during the thermal evolution are also important factors to control the methane adsorption characteristics. The pore adsorption capacity first increases and then decreases with the increase of pressure, and increases with the increase of temperature. In the early stage of thermal evolution, pore adsorption capacity is strong and pressure sensitivity is weak; while in the late stage, it is on the contrary.

scholarly journals Comparison of the impact of moisture on methane adsorption and nanoporosity for over mature shales and their kerogens

2021 ◽  
Vol 237 ◽  
pp. 103705
Author(s):  
Wei Li ◽  
Lee A. Stevens ◽  
Clement N. Uguna ◽  
Christopher H. Vane ◽  
Will Meredith ◽  
...  
Keyword(s):  
Methane Adsorption ◽  
The Impact

Effects of nano-pore and macromolecule structure of coal samples on energy parameters variation during methane adsorption under different temperature and pressure

Fuel ◽  
2021 ◽  
Vol 289 ◽  
pp. 119804
Author(s):  
Junjian Zhang ◽  
Chongtao Wei ◽  
Chengjin Zhao ◽  
Tao Zhang ◽  
Guanwen Lu ◽  
...  
Keyword(s):  
Methane Adsorption ◽  
Energy Parameters ◽  
Temperature And Pressure

Influences of dynamic entrainer-blended supercritical CO2 fluid exposure on high-pressure methane adsorption on coals

2019 ◽  
Vol 66 ◽  
pp. 180-191 ◽  
Author(s):  
Dengfeng Zhang ◽  
Chao Li ◽  
Jin Zhang ◽  
Zengmin Lun ◽  
Shuaiqiu Jia ◽  
...  
Keyword(s):  
High Pressure ◽  
Supercritical Co2 ◽  
Methane Adsorption ◽  
Supercritical Co2 Fluid
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