Plant wide simulation using the free chemical process simulator Sim42: Natural gas separation and reforming

2009 ◽  
Vol 18 (3) ◽  
pp. 476-484
Author(s):  
Rafael Silva Dias ◽  
Leandro Cardoso Silva ◽  
Adilson Jose de Assis
Keyword(s):  
Natural Gas ◽  
Gas Separation ◽  
Chemical Process ◽  
Process Simulator

CH4 Activation and C-C coupling on Ti2C(100) Surface in presence of intrinsic C-vacancies: Is excess good?

2021 ◽  
Author(s):  
Nishamol Kuriakose ◽  
Unmesh Mondal ◽  
Prasenjit Ghosh
Keyword(s):  
Natural Gas ◽  
Chemical Process ◽  
Important Chemical ◽  
Main Component

Activation of methane, the main component in natural gas, and its conversion to useful products is an important chemical process because methane is not only one of the most important...

Xenon recovery from natural gas by hybrid method based on gas hydrate crystallisation and membrane gas separation

2021 ◽  
Vol 86 ◽  
pp. 103740
Author(s):  
Maria S. Sergeeva ◽  
Nikita A. Mokhnachev ◽  
Dmitry N. Shablykin ◽  
Andrey V. Vorotyntsev ◽  
Dmitriy M. Zarubin ◽  
...  
Keyword(s):  
Natural Gas ◽  
Gas Separation ◽  
Hybrid Method ◽  
Gas Hydrate ◽  
Membrane Gas Separation

CFD Investigation of Downhole Natural Gas Separation Efficiency in the Churn Flow Regime

2021 ◽  
Author(s):  
Charles Okafor ◽  
Patrick Verdin ◽  
Phill Hart
Keyword(s):  
Natural Gas ◽  
Flow Regime ◽  
Gas Separation ◽  
Separation Efficiency ◽  
Operating Conditions ◽  
Analytical Models ◽  
Design Stage ◽  
Average Error ◽  
Multiphase Model ◽  
Churn Flow

Abstract Downhole Natural Gas Separation Efficiency (NGSE) is flow regime dependent, and current analytical models in certain conditions lack accuracy. Downhole NGSE was investigated through 3D Computational Fluid Dynamics (CFD) transient simulations for pumping wells in the Churn flow regime. The Volume of Fluid (VOF) multiphase model was considered along with the k – ε turbulence model for most simulations. A mesh independence study was performed, and the final model results validated against experimental data, showing an average error of less than 6 %. Numerical simulation results showed that the steady state assumption used by current mathematical models for churn flow can be inaccurate. Several key parameters affecting the NGSE were identified, and suggestions for key improvements to the widely used mathematical formulations for viscous flow provided. Sensitivity studies were conducted on fluid/geometric parameters and operating conditions, to gain a better understanding of the influence of each parameter on NGSE. These are important results as they equip the ESP engineer with additional knowledge to maximise the NGSE from design stage to pumping operations.

Molecularly Engineered 6FDA‐Based Polyimide Membranes for Sour Natural Gas Separation

2020 ◽  
Vol 59 (35) ◽  
pp. 14877-14883 ◽  
Author(s):  
Zhongyun Liu ◽  
Yang Liu ◽  
Wulin Qiu ◽  
William J. Koros
Keyword(s):  
Natural Gas ◽  
Gas Separation ◽  
Polyimide Membranes

Post-synthetic modification of CARDO-based materials: application in sour natural gas separation

2020 ◽  
Vol 8 (44) ◽  
pp. 23354-23367
Author(s):  
Ali Hayek ◽  
Abdulkarim Alsamah ◽  
Garba O. Yahaya ◽  
Eyad A. Qasem ◽  
Rashed H. Alhajry
Keyword(s):  
Natural Gas ◽  
Chemical Modification ◽  
Free Volume ◽  
Gas Separation ◽  
Polymeric Membrane ◽  
Fractional Free Volume ◽  
Gas Molecule

Chemical modification enhances gas molecule permeation through polymeric membrane matrices by increasing the fractional free volume.

Enhancing the Supersonic Gas Separation operating envelope through process control strategies of the feed conditioning plant for offshore CO2 removal from natural gas

2020 ◽  
Vol 94 ◽  
pp. 102928
Author(s):  
Nurzatil Aqmar Othman ◽  
Lemma Dendena Tufa ◽  
Haslinda Zabiri ◽  
Abdullah Al-Mubarak Md Jalil ◽  
Khairul Rostani
Keyword(s):  
Natural Gas ◽  
Process Control ◽  
Gas Separation ◽  
Control Strategies ◽  
Co2 Removal

Natural gas separation at CO2CRC's Otway National Research Facility

2019 ◽  
Vol 59 (2) ◽  
pp. 803
Author(s):  
Abdul Qader ◽  
Jai Kant Pandit
Keyword(s):  
Natural Gas ◽  
Gas Separation ◽  
Cost Effective ◽  
Commercial Application ◽  
Research Facility ◽  
Gas Field ◽  
South Wales ◽  
Effective Manner ◽  
Gas Fields ◽  
The University

CO2CRC, in collaboration with the University of Melbourne and the University of New South Wales, is testing two novel CO2 capture technologies designed for both on-shore and off-shore natural gas applications in a state-of-the-art experimental capture rig at CO2CRC’s Otway National Research Facility. The goal is to develop robust and compact technology for high pressure natural gas separation over a range of adjusted high CO2 concentrations mimicking various gas field conditions. These technologies would facilitate developing new gas fields to recover methane in a cost-effective manner which is currently uneconomical with conventional technologies. In the first stage of testing, commercially available materials (adsorbents and membranes) were used for benchmarking. Results from both adsorbent and membrane technologies are encouraging with respect to recovery and purity of CO2 and methane with the prospect of commercial application.

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