Utilization of super hydrophobic membrane contactor for NOx Absorption

Kartohardjono, Sutrasno; Stephanie, Smith; Meylin,; Dixon, Alphasius Omega; Saksono, Nelson

doi:10.1088/1755-1315/105/1/012123

Cited by 2 publications

(2 citation statements)

References 11 publications

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“…Zhang et al [13] analyzed the effect of some parameters on the SO 2 removal efficiency in a membrane contactor. Kartohardjono et al [14] and Wang et al [15] carried out an investigation on the characteristics of NOx removal by membrane absorption. Among these studies, the transfer of gas molecules through a membrane mainly depends on the concentration difference and the pressure difference of gas in the two sides of the membrane [16], which is accompanied by high gas driving force and large unit gas membrane area for achieving a high gas separation efficiency [8].…”

Section: Introductionmentioning

confidence: 99%

NO Separation Characteristics in Integrated Electromigration Membrane Reactor

Wang

Shen

2020

Applied Sciences

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An integrated electromigration membrane absorption method has been proposed for the separation of NO from simulated mixed gas. The experiments were conducted to investigate the effect of discharge voltage, gas flow rate, inlet concentrations, and absorbents on the NO separation efficiency and total mass transfer coefficient in the integrated electromigration membrane reactor. The experimental results demonstrated that the NO separation efficiency and total mass transfer coefficient increased with the increase in the applied discharge voltage of the integrated electromigration membrane reactor. Regardless of discharge or not, the separation efficiency of NO continuously decreased with the increase in the gas flow rate and inlet concentration of NO in the experimental process. The total mass transfer coefficient of NO increased first and then decreased with an increase in the gas flow rate, while it decreased with an increase in NO inlet concentration. Compared with the membrane absorption without discharge voltage under the condition tested, at a discharge voltage of 18kV, the NO separation efficiency and the total mass transfer coefficient increased by 48.7% and 9.7 times, respectively.

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Section: Introductionmentioning

confidence: 99%

NO Separation Characteristics in Integrated Electromigration Membrane Reactor

Wang

Shen

2020

Applied Sciences

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“…It has been estimated that because of the compactness of the MGA technology, the equipment size needed for the absorption process can be reduced around 10 times, and thus the large space requirement can be avoided. − Recently, acidic gas purification using an alkaline solution was achieved using a membrane contactor and effective results were obtained. − …”

Section: Introductionmentioning

confidence: 99%

Experimental Study on the Selective Removal of SO₂ from a Ship Exhaust Gas Stream Using a Membrane Contactor

Park

Bhatti

Joo

et al. 2019

Ind. Eng. Chem. Res.

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In this study, we investigated the selective SO2 removal performance of three absorbentsdistilled water (DW), aqueous NaOH, and Na2SO3 solutionsfrom a typical ship exhaust gas stream using a hollow-fiber membrane contactor. SEM and contact angle analyses were performed to apprehend the morphological and water interaction characteristics of the membrane. A SO2/CO2/N2 gas mixture (1000 ppm of SO2, 5.50 mol % CO2, balance N2) was used and the absorbents were thoroughly evaluated in terms of SO2 gas removal efficiency over a range of operating parameters including absorbent flow rate, feed gas flow rate, absorbent concentration, and L/G ratio. The aq. NaOH absorbent had the best SO2 removal efficiency among the three absorbents under all conditions, mainly due to high alkalinity. Notably, around 100% SO2 removal efficiency can be achieved with the NaOH absorbent. The Na2SO3 solution closely followed the NaOH in SO2 removal efficiency. DW was the worst performer under all conditions. This study confirms that the use of membrane contactor is advantageous over the conventional packed towers because the membrane contactors are compact, offer high contact area, and achieve higher removal efficiencies.

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Utilization of super hydrophobic membrane contactor for NOx Absorption

Cited by 2 publications

References 11 publications

NO Separation Characteristics in Integrated Electromigration Membrane Reactor

NO Separation Characteristics in Integrated Electromigration Membrane Reactor

Experimental Study on the Selective Removal of SO₂ from a Ship Exhaust Gas Stream Using a Membrane Contactor

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Utilization of super hydrophobic membrane contactor for NOx Absorption

Cited by 2 publications

References 11 publications

NO Separation Characteristics in Integrated Electromigration Membrane Reactor

NO Separation Characteristics in Integrated Electromigration Membrane Reactor

Experimental Study on the Selective Removal of SO2 from a Ship Exhaust Gas Stream Using a Membrane Contactor

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Experimental Study on the Selective Removal of SO₂ from a Ship Exhaust Gas Stream Using a Membrane Contactor