Heat transfer and pressure drop of CO2 hydrate mixture in pipeline

Prah, Benedict; Ren, Yun

doi:10.1016/j.ijheatmasstransfer.2016.06.013

Cited by 19 publications

(3 citation statements)

References 15 publications

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“…For typical CO 2 absorption, the operating parameters and conditions are shown in Tables S1–S3. − The calculation results are shown in Tables – . As shown in Tables –, the prediction error is below 16%.…”

Section: Resultsmentioning

confidence: 99%

Multiscale Velocity Unified Theory To Characterize Microscale Structure of Electrodes and Transfer Mechanism in CO₂ Capture

Yu¹,

Ding²,

Zhang³

et al. 2019

Ind. Eng. Chem. Res.

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Electrodes and transfer processes are the key to thermal electrochemical CO2 capture. The lifetime of electrodes and capture performance are significantly affected by the microscale (micro- and nanocrystalline) structural change and transfer mechanism. Experimental and time-consuming theoretical studies are expensive, and it is difficult to understand microscale structural changes and transfer mechanism due to a lack of relevant unified knowledge. Thus, a time-saving multiscale velocity unified theory was developed by synergizing the molecular motion and matter movement. The theory well predicts the microscale structural change in electrodes and quantifies the chemical reaction and heat and mass transfer under normal and superhigh/superlow operating conditions. A porous electrode and U-shaped multilayer electrode were designed, and the lifetime of electrodes increased by 30%. The U-shaped multilayer electrode self-repairs its microscale structure, and its mass transfer coefficient increased by 15%. The theory simplifies the computational fluid dynamics and molecular dynamics simulation.

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Section: Resultsmentioning

confidence: 99%

Multiscale Velocity Unified Theory To Characterize Microscale Structure of Electrodes and Transfer Mechanism in CO₂ Capture

Yu¹,

Ding²,

Zhang³

et al. 2019

Ind. Eng. Chem. Res.

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“…Prah and Yun performed experimental investigations on the heat transfer and pressure drop characteristics in pipes related to the formation and dissociation of CO 2 hydrate in a CO 2 gas stream under soil conditions. The study highlighted the significant influence of temperature difference between the surrounding environment and the CO 2 hydrate mixture on the continuous formation of hydrates.…”

Section: Introductionmentioning

confidence: 99%

Behavior of Gas Hydrate Formation in Long-Distance Pipelines for CO₂ Transportation

Gao,

Jiang,

et al. 2023

Energy Fuels

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To address the escalating global carbon emissions and achieve the goal of carbon neutrality, the utilization of carbon capture, utilization, and storage (CCUS) technology is of crucial importance: with specific focus is the long-distance and large-volume CO2 transportation via pipelines. In this paper, we employ the OLGA software to construct a pipeline model that simulates and calculates hydrate formation in pipelines under various conditions, including extensive distances and complex operational scenarios. Initially, the impact of water content on hydrate generation in gas pipelines was analyzed, revealing an inverse relationship between the total amount of hydrate and the water content within a specific range. Furthermore, it was indicated that the presence of N2 in the flue gas significantly enhances the overall hydrate amount, which gradually decreases with an increase in the N2 percentage. The substantial effect of high pressure on promoting hydrate generation from a mixture of N2 and CO2 gases was investigated. In addition, a concise comparative analysis was conducted to identify the optimal inhibitor delivery scheme suitable for the pipeline configuration, considering both inhibition effectiveness and economic feasibility. The results could be of help revealing the performance of CO2 hydrate formation in the pipelines and proposing an inhibition strategy for an effective CO2 transportation.

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“…In this case, the released heat can accelerate the decomposition of methane gas hydrate. Experiments were carried out to study the formation of CO 2 hydrates in [18][19][20][21][22]. It should be noted that experimental works, which study these processes, were carried out in examples of small size.…”

Section: Introductionmentioning

confidence: 99%

Mathematical Model of Decomposition of Methane Hydrate during the Injection of Liquid Carbon Dioxide into a Reservoir Saturated with Methane and Its Hydrate

et al. 2020

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The article describes a mathematical model of pumping of heated liquid carbon dioxide into a reservoir of finite extent, the pores of which in the initial state contain methane and methane gas hydrate. This model takes into account the existence in the reservoir of three characteristic regions. We call the first region “near”, the second “intermediate”, and the third “far”. According to the problem statement, the first region contains liquid CO2 and hydrate, the second region is saturated with methane and water, the third contains methane and hydrate. The main features of mathematical models that provide a consistent description of the considered processes are investigated. It was found that at sufficiently high injection pressures and low pressures at the right reservoir boundary, the boundary of carbon dioxide hydrate formation can come up with the boundary of methane gas hydrate decomposition. It is also shown that at sufficiently low values of pressure of injection of carbon dioxide and pressure at the right boundary of the reservoir, the pressure at the boundary of hydrate formation of carbon dioxide drops below the boiling pressure of carbon dioxide. In this case, for a consistent description of the considered processes, it is necessary to correct the mathematical model in order to take into account the boiling of carbon dioxide. Maps of possible solutions have been built, which show in what ranges of parameters one or another mathematical model is consistent.

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Heat transfer and pressure drop of CO2 hydrate mixture in pipeline

Cited by 19 publications

References 15 publications

Multiscale Velocity Unified Theory To Characterize Microscale Structure of Electrodes and Transfer Mechanism in CO₂ Capture

Multiscale Velocity Unified Theory To Characterize Microscale Structure of Electrodes and Transfer Mechanism in CO₂ Capture

Behavior of Gas Hydrate Formation in Long-Distance Pipelines for CO₂ Transportation

Mathematical Model of Decomposition of Methane Hydrate during the Injection of Liquid Carbon Dioxide into a Reservoir Saturated with Methane and Its Hydrate

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Heat transfer and pressure drop of CO2 hydrate mixture in pipeline

Cited by 19 publications

References 15 publications

Multiscale Velocity Unified Theory To Characterize Microscale Structure of Electrodes and Transfer Mechanism in CO2 Capture

Multiscale Velocity Unified Theory To Characterize Microscale Structure of Electrodes and Transfer Mechanism in CO2 Capture

Behavior of Gas Hydrate Formation in Long-Distance Pipelines for CO2 Transportation

Mathematical Model of Decomposition of Methane Hydrate during the Injection of Liquid Carbon Dioxide into a Reservoir Saturated with Methane and Its Hydrate

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Resources

About

Multiscale Velocity Unified Theory To Characterize Microscale Structure of Electrodes and Transfer Mechanism in CO₂ Capture

Multiscale Velocity Unified Theory To Characterize Microscale Structure of Electrodes and Transfer Mechanism in CO₂ Capture

Behavior of Gas Hydrate Formation in Long-Distance Pipelines for CO₂ Transportation