Thermodynamic Conditions of Formation of CO2 Hydrate in Carbon Dioxide Injection into a Methane Hydrate Reservoir

2018 ◽  
Vol 53 (5) ◽  
pp. 680-689 ◽  
Author(s):  
G. G. Tsypkin
2017 ◽  
Vol 12 (2) ◽  
pp. 206-213 ◽  
Author(s):  
O.F. Shepelkevich

The paper deals with the process of injecting liquid carbon dioxide into a hydrate reservoir. It is shown that the process of methane replacement in a hydrate reservoir by injecting liquid carbon dioxide into it can consist of the following steps: piston displacement of free gas from the pores; replacement of methane with liquid carbon dioxide, its dissolution and leaching from the formation; completion of hydrate formation and leaching of the remaining methane gas from the hydrate reservoir. We have presented the distributions of pressure, density, hydrate saturation and temperature at different times.


Author(s):  
Vladislav Shaykhulagzamovich SHAGAPOV ◽  
◽  
Marat Kamilovich KHASANOV ◽  
Guzal Rinatovna RAFIKOVA ◽  
◽  
...  

2019 ◽  
Vol 2 (3) ◽  
pp. 141-151
Author(s):  
O. E. Gnezdova ◽  
E. S. Chugunkova

Introduction: greenhouses need microclimate control systems to grow agricultural crops. The method of carbon dioxide injection, which is currently used by agricultural companies, causes particular problems. Co-generation power plants may boost the greenhouse efficiency, as they are capable of producing electric energy, heat and cold, as well as carbon dioxide designated for greenhouse plants.Methods: the co-authors provide their estimates of the future gas/electricity rates growth in the short term; they have made a breakdown of the costs of greenhouse products, and they have also compiled the diagrams describing electricity consumption in case of traditional and non-traditional patterns of power supply; they also provide a power distribution pattern typical for greenhouse businesses, as well as the structure and the principle of operation of a co-generation unit used by a greenhouse facility.Results and discussion: the co-authors highlight the strengths of co-generation units used by greenhouse facilities. They have also identified the biological features of carbon dioxide generation and consumption, and they have listed the consequences of using carbon dioxide to enrich vegetable crops.Conclusion: the co-authors have formulated the expediency of using co-generation power plants as part of power generation facilities that serve greenhouses.


2018 ◽  
Author(s):  
Saurav Parashar ◽  
Raghvendra Pratap Singh ◽  
Malay Kumar Das

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