Development of energy-efficient processes for natural gas liquids recovery

Sekwang Yoon, Michael Binns, Sangmin Park and Jin-Kuk Kim

Energy, 2017, vol. 128, issue C, 768-775

Abstract: A new NGL (natural gas liquids) recovery process configuration is proposed which can offer improved energy efficiency and hydrocarbon recovery. The new process configuration is an evolution of the conventional turboexpander processes with the introduction of a split stream transferring part of the feed to the demethanizer column. In this way additional heat recovery is possible which improves the energy efficiency of the process. To evaluate the new process configuration a number of different NGL recovery process configurations are optimized and compared using a process simulator linked interactively with external optimization methods. Process integration methodology is applied as part of the optimization to improve energy recovery during the optimization. Analysis of the new process configuration compared with conventional turbo-expander process designs demonstrates the benefits of the new process configuration.

Keywords: Energy efficiency; Natural gas liquids; Design; Optimization; Process integration (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:128:y:2017:i:c:p:768-775

DOI: 10.1016/j.energy.2017.04.049

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