Detailed Engineering and Design for Natural Gas Processing Projects

Bahadori, Alireza

doi:10.1016/b978-0-08-099971-5.00015-5

Cited by 2 publications

(4 citation statements)

References 15 publications

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“…In addition, most amine types can be processed at high temperature up to their boiling points without decomposition. Several types of amine, such as monoethanolamine (MEA), diethanolamine (DEA), diisopropanolamine (DIPA), diglycolamine (DGA), and methyldiethanolamine (MDEA), are widely used in this application [ 1 ]. In this study, DGA is chosen as the amine-based solvent for the following reasons: the capability of removing carbonyl sulfide (COS) and mercaptans from gas beside H 2 S and CO 2 : the DGA concentration in solution is usually 50 to 60% higher than other amines; a higher amine concentration means higher acid gas uptake, lower circulation rate, and lower electric power and heating duty requirements [ 1 ]; and the corrosion in the process using DGA solvent is slightly less than when using the MEA [ 7 ].…”

Section: Case Studymentioning

confidence: 99%

“…a higher amine concentration means higher acid gas uptake, lower circulation rate, and lower electric power and heating duty requirements [ 1 ]; and…”

Section: Case Studymentioning

confidence: 99%

“…Generating power from natural gas to meet global demand involves lower capital expenses, lower carbon emissions, and higher thermal efficiencies as compared to other fossil fuels [ 1 ]. Raw natural gas contains mainly methane (CH 4 ), typically 50% to 90%, with other hydrocarbons such as ethane (C 2 H 6 ), propane (C 3 H 8 ), butane (C 4 H 10 ), and traces of heavier hydrocarbons.…”

Section: Introductionmentioning

confidence: 99%

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Superglassy Polymers to Treat Natural Gas by Hybrid Membrane/Amine Processes: Can Fillers Help?

2020

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Superglassy polymers have emerged as potential membrane materials for several gas separation applications, including acid gas removal from natural gas. Despite the superior performance shown at laboratory scale, their use at industrial scale is hampered by their large drop in gas permeability over time due to physical aging. Several strategies are proposed in the literature to prevent loss of performance, the incorporation of fillers being a successful approach. In this work, we provide a comprehensive economic study on the application of superglassy membranes in a hybrid membrane/amine process for natural gas sweetening. The hybrid process is compared with the more traditional stand-alone amine-absorption technique for a range of membrane gas separation properties (CO2 permeance and CO2/CH4 selectivity), and recommendations for long-term membrane performance are made. These recommendations can drive future research on producing mixed matrix membranes (MMMs) of superglassy polymers with anti-aging properties (i.e., target permeance and selectivity is maintained over time), as thin film nanocomposite membranes (TFNs). For the selected natural gas composition of 28% of acid gas content (8% CO2 and 20% H2S), we have found that a CO2 permeance of 200 GPU and a CO2/CH4 selectivity of 16 is an optimal target.

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Section: Case Studymentioning

confidence: 99%

“…a higher amine concentration means higher acid gas uptake, lower circulation rate, and lower electric power and heating duty requirements [ 1 ]; and…”

Section: Case Studymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Superglassy Polymers to Treat Natural Gas by Hybrid Membrane/Amine Processes: Can Fillers Help?

2020

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“…Standard and uniflow cyclones are extensively used to remove particulate matter (up to m) from the carrier fluid; e.g. remove sand and black powder in the natural gas industry (Bahadori 2014), to improve clinker burning processes (Wasilewski & Singh Brar 2017) and in solid–solid separation in the mineral processing industry (Tripathy et al. 2015).…”

Section: Introductionmentioning

confidence: 99%