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首页> 外文期刊>Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers >Subsea natural gas dehydration with membrane processes: Simulation and process optimization
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Subsea natural gas dehydration with membrane processes: Simulation and process optimization

机译：海底天然气脱水膜流程：仿真和过程优化

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Subsea processing enables broader exploration of oil and gas reservoir, giving an increased focus on developing alternative processes for subsea oil and gas treatment. This work provides a first evaluation of a new proposed subsea natural gas dehydration process with the use of a membrane contactor with triethylene glycol (TEG) for dehydration of the natural gas in combination with thermopervaporation for regeneration of the TEG. Simulation models are developed in Aspen HYSYS V8.6 and process optimization is performed on three different process designs with respect to staging of the regeneration. By introducing two thermopervaporation units in series the TEG flow rate is reduced by 55%, the membrane volume by 14.6% and the energy demands by 37.8%, compared to a design with one thermopervaporation unit. However, increasing the number of regeneration stages increases the complexity as additional heaters are introduced. (C) 2019 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
机译：海底加工能够更广泛地探索石油和燃气藏，从而提高了开发海底石油和天然气处理的替代工艺的重点。本作品提供了使用具有三甘醇（TEG）的膜接触器的新提出的海底天然气脱水过程的第一次评估，用于将天然气结合与热敏针对TEG的再生。仿真模型是在ASPEN HYSYS V8.6中开发的，并且在三种不同的过程设计上对再生的分段进行了处理优化。通过串联引入两个热敏刺激频率，TEG流量减少了55％，膜体积减少14.6％，与具有一个热处理单元的设计相比，膜体积增加了37.8％。然而，增加再生阶段的数量会增加复杂性，因为介绍了附加加热器。 （c）2019化学工程师机构。 elsevier b.v出版。保留所有权利。

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