CO2 Transport Through Hollow Fiber Membranes

Tuesday, October 18, 2011: 8:30 AM
200 E (Minneapolis Convention Center)
Pavlo Kostetskyy1, Robert P. Hesketh1, Kauser Jahan2 and Tariq Ahmed3, (1)Chemical Engineering, Rowan University, Glassboro, NJ, (2)Civil and Environmental Engineering, Rowan University, Glassboro, NJ, (3)Hazardous Site Health Evaluation Program, New Jersey Department of Health and Senior Services, Sicklerville, NJ

CO2 transport through hollow fiber membranes

Studies on absorption of CO2 into an aqueous solution using hydrophobic microporous hollow fiber membranes (HFM's) were performed.  The membrane modules were operated in a sealed-end, parallel flow configuration.  Several modules were constructed that ranged in interfacial surface area from 466 to 1397 m2/m3.  The mass transfer coefficients were calculated based on a model of the system that included a prediction of the internal axial gas concentrations within the fiber lumen.  This model was validated by measuring bulk gas velocity within fiber lumen.  A trend of increasing mass transfer coefficients with internal pressure was observed.  A correlation for predicting this effect was developed.  The use of HFM's for CO2 transfer could significantly improve the biomass growth rate for algal biofuel production.  As a result, experiments were performed with a growing algal culture, to investigate the extent of membrane performance reduction as a result of fouling. 

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See more of this Session: Modeling Transport In Membrane Processes
See more of this Group/Topical: Separations Division