Simulation of environmental impact of an existing natural gas dehydration plant using a combination of thermodynamic models

Torkmahalleh, Mehdi Amouei; Magazova, Galiya; Magazova, Aliya; Rad, Seyed Jamal Hassani

doi:10.1016/j.psep.2016.08.008

Cited by 16 publications

(8 citation statements)

References 12 publications

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“…Overall, the model developed by Amouei Torkmahalleh et al (2016) did improve the accuracy of the simulation results. Hence, in this study the combination of thermodynamic models presented by Amouei Torkmahalleh et al (2016) was employed to perform the sensitivity analysis studies.…”

Section: Thermodynamic Modelmentioning

confidence: 88%

“…A combination of thermodynamic models was employed to simulate the current NGDP by Amouei Torkmahalleh et al (2016). They assigned a thermodynamic model for each unit operation separately.…”

Section: Sensitivity Analysismentioning

confidence: 99%

Section: Thermodynamic Modelmentioning

confidence: 99%

“…Table 1 shows a comparison between the plant data and simulation results obtained by Amouei Torkmahalleh et al (2016) for six operating parameters for the same NGDP as investigated in the present study. Overall, the model developed by Amouei Torkmahalleh et al (2016) did improve the accuracy of the simulation results. Hence, in this study the combination of thermodynamic models presented by Amouei Torkmahalleh et al (2016) was employed to perform the sensitivity analysis studies.…”

Section: Thermodynamic Modelmentioning

confidence: 99%

“…It was decided to proceed first with parameters that were previously examined in other studies. For example, solvent circulation rate was selected to be the first parameter since it was previously studied in six investigations (Braek et al 2001;Darwish et al 2004;Darwish and Hilal 2008;Hlavinka et al 1998;Rouzbahani et al 2014;Amouei Torkmahalleh et al 2016).…”

Section: Sensitivity Analysismentioning

confidence: 99%

See 4 more Smart Citations

A study to reduce atmospheric emissions of an existing natural gas dehydration plant using multiple thermodynamic models

Torkmahalleh

Assanova

Baimaganbetova

et al. 2018

Int. J. Environ. Sci. Technol.

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Using Aspen Plus, operating parameters of an existing triethylene glycol natural gas dehydration plant including the solvent circulation rate, stripping gas flow rate, regenerator reboiler duty, solvent temperature, absorber (contactor) pressure, flash unit pressure and regenerator pressure were optimized to reduce BTEX, VOCs and CO 2 emissions. The plant consists of an absorber, a flash tank, a stripper and a regenerator. Two thermodynamic models including PRMHV 2 and PSRK were utilized for this plant. The sensitivity analysis study was conducted using two methods, namely Method A and Method B. Method A considered the effect of an individual parameter on the emissions, while other parameters were set at their base case values. Method B studied the impact of a given parameter, while other parameters were at their optimum values. Using the two methods, BTEX emission reduced more than 40%, while VOCs and CO 2 emissions were decreased more than 60%. However, the moisture content of the dehydrated gas was higher when Method A was applied (249.9 × 10 −6 kg H 2 O/m 3 ) compared to Method B (65.7 × 10 −6 kg H 2 O/m 3 ). Method B was found to be a more precise approach to achieve the optimum plant operation.

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Section: Thermodynamic Modelmentioning

confidence: 88%

Section: Sensitivity Analysismentioning

confidence: 99%