TY - JOUR
T1 - N 2 O absorption through super hydrophobic hollow fiber membrane contactor
AU - Kartohardjono, Sutrasno
AU - Shabanindita, Stephanie
AU - Harianja, Meylin
AU - Dixon, Alphasius Omega
AU - Yuliusman, Yuliusman
AU - Saksono, Nelson
N1 - Publisher Copyright:
© 2018 American Institute of Chemical Engineers
PY - 2019/3/1
Y1 - 2019/3/1
N2 - Dinitrogen monoxide (N 2 O) is mainly produced in Horticulture and farming activities, industrial processes and combustion of fossil fuels. N 2 O is one of the harmful emissions and its global warming potential is 310 times greater than CO 2 on a molecular basis. This research aims to absorb N 2 O from its mixture with air through super hydrophobic hollow membrane contactor using a mixture of 0.5M HNO 3 and 0.5 wt % H 2 O 2 solutions as absorbent. In the experiment, the feed gas flowed through the shell side of the contactor, while absorbent solution flowed through the lumen fibers. Experimental results show that the amount of N 2 O absorbed and N 2 O absorption efficiency increased with the absorbent flow rate and the number of fibers in the contactor resulting from the increase in the turbulence and surface area for gas–liquid contact, respectively. The overall mass transfer coefficient and the flux increased with the absorbent flow rate due to the decrease of the mass transfer resistance in the liquid phase. However, the overall mass transfer coefficient and the flux decreased with the number of fibers in the contactor due to the decrease of the absorbent flow rate in a single fiber. The amount of N 2 O absorbed and the flux increased but the N 2 O absorption efficiency decreased with increasing the feed gas cross flow rate.
AB - Dinitrogen monoxide (N 2 O) is mainly produced in Horticulture and farming activities, industrial processes and combustion of fossil fuels. N 2 O is one of the harmful emissions and its global warming potential is 310 times greater than CO 2 on a molecular basis. This research aims to absorb N 2 O from its mixture with air through super hydrophobic hollow membrane contactor using a mixture of 0.5M HNO 3 and 0.5 wt % H 2 O 2 solutions as absorbent. In the experiment, the feed gas flowed through the shell side of the contactor, while absorbent solution flowed through the lumen fibers. Experimental results show that the amount of N 2 O absorbed and N 2 O absorption efficiency increased with the absorbent flow rate and the number of fibers in the contactor resulting from the increase in the turbulence and surface area for gas–liquid contact, respectively. The overall mass transfer coefficient and the flux increased with the absorbent flow rate due to the decrease of the mass transfer resistance in the liquid phase. However, the overall mass transfer coefficient and the flux decreased with the number of fibers in the contactor due to the decrease of the absorbent flow rate in a single fiber. The amount of N 2 O absorbed and the flux increased but the N 2 O absorption efficiency decreased with increasing the feed gas cross flow rate.
KW - N O absorbed
KW - absorption efficiency
KW - absorption process
KW - harmful emission
UR - http://www.scopus.com/inward/record.url?scp=85053733782&partnerID=8YFLogxK
U2 - 10.1002/ep.12959
DO - 10.1002/ep.12959
M3 - Article
AN - SCOPUS:85053733782
SN - 1944-7442
VL - 38
SP - 362
EP - 366
JO - Environmental Progress and Sustainable Energy
JF - Environmental Progress and Sustainable Energy
IS - 2
ER -
