Dehumidification of Gas Stream Using Nanostructured Polyetherimide Hollow Fiber Membrane in Membrane Contactor

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Mohamadpour Gorgi Abolghasem; Bakeri Jafarkolaei Gholamreza

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Journal: Iranian Journal of Polymer Science and Technology Year:2020 | Volume:32 | Issue:5 Page(s): 373-384

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Title

Dehumidification of Gas Stream Using Nanostructured Polyetherimide Hollow Fiber Membrane in Membrane Contactor

Author(s)

Mohamadpour Gorgi Abolghasem | Bakeri Jafarkolaei Gholamreza | Issue Writer Certificate

Keywords

Hollow fiber membrane contactorQ1

nano-structured polyetherimide membraneQ1

contactor moduleQ1

dehumidificationQ1

monoethylene glycolQ1

Abstract

Hypothesis: dehumidification of a gas stream was carried out by one of the newest separation techniques. Different processes have been proposed for gas humidification such as absorption process using an absorbent and adsorption process with higher capital and operating costs than the former. The former process is more common. Methods: For humidification/dehumidification process two Hollow fiber membrane contactor modules were made using polyetherimide hollow fiber membranes. At first, the dry inlet gas was humidified in the first contactor module and then, the dehumidification process was performed by the second module. In dehumidification process, monoethylene glycol (as the absorbent) was allowed to flow through the shell side of the contactor while the wet gas flowed through the fibers. The different operating parameters such as the pressure and flow rate of the wet gas were studied in relation to the performance of dehumidification system. Findings: The results showed that by increasing the wet gas flow rate from 1 SLPM (standard liter per minute) to 3 SLPM, the water vapor absorption flux increased by 133%, indicating that the effect of decrease in gas phase mass transfer resistance in dehumidification process overcomes the effect of reduction in humidity content of the inlet gas to the dehumidification system. Furthermore, by increasing the gas pressure from 1 bar to 5 bar, the water vapor absorption flux decreased by 55% which showed that drop in humidity content of the inlet gas to dehumidification system (due to the pressure enhancement) affects the water vapor absorption process. Therefore, the operating conditions of the dehumidification process should be selected based on the effective parameters.

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APA: Copy

Mohamadpour Gorgi, Abolghasem, & Bakeri Jafarkolaei, Gholamreza. (2020). Dehumidification of Gas Stream Using Nanostructured Polyetherimide Hollow Fiber Membrane in Membrane Contactor. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 32(5 ), 373-384. SID. https://sid.ir/paper/6688/en

Vancouver: Copy

Mohamadpour Gorgi Abolghasem, Bakeri Jafarkolaei Gholamreza. Dehumidification of Gas Stream Using Nanostructured Polyetherimide Hollow Fiber Membrane in Membrane Contactor. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2020;32(5 ):373-384. Available from: https://sid.ir/paper/6688/en

IEEE: Copy

Abolghasem Mohamadpour Gorgi, and Gholamreza Bakeri Jafarkolaei, “Dehumidification of Gas Stream Using Nanostructured Polyetherimide Hollow Fiber Membrane in Membrane Contactor,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 32, no. 5 , pp. 373–384, 2020, [Online]. Available: https://sid.ir/paper/6688/en

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