Thermal transient behavior of an ANG storage during dynamic discharge phase at room temperature |
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| Affiliation: | 1. Department of Chemical Engineering, University of Technology Malaysia, 81310 UTM, Skudai, Johor, Malaysia;2. Department of Gas Engineering, University of Technology Malaysia, 81310 UTM, Skudai, Johor, Malaysia;1. Plant Engineering Center, Institute for Advanced Engineering (IAE), 175-28, Goan-ro,51 beon-gil, Baegam-myeon, Cheoin-gu, Yongin-si, Yong-In, Gyeonggi-do, 449-863, South Korea;2. Clean Fuel Department, Korea Institute of Energy Research(KIER), 152 Gajeong-ro, Yuseong-gu, Daejeon, Chungcheongnam-do, 305-343, South Korea;1. School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab for Green Chemical Product Technology, South China University of Technology, Guangzhou 510640, PR China;2. State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing University of Technology, Nanjing 210009, PR China;1. Department of Nanobiotechnology, Institute of Nanobiology and Structural Biology of GCRC, Na Sadkach 7, 370 05 Ceske Budejovice, Czech Republic;2. Regional Centre of Advanced Technologies and Materials, Palacky University, Slechtitelu 11, 783 71 Olomouc, Czech Republic;1. Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China;2. Department of Applied Biology and Chemical Technology, State Key Laboratory of Chirosciences, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China;3. Department of Civil Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, Hong Kong SAR, PR China |
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| Abstract: | Throughout this work the thermal behavior of an adsorptive natural gas (ANG) storage under dynamic discharge conditions at room temperature of 27 °C was studied. The work was conducted in a gravimetrically built experimental unit where the storage chamber was equipped with axial and radial distributed thermocouples and the storage was discharged at different discharge rates. The results demonstrated that maximum methane discharge rate of 5 L min−1 in activated carbon/methane system resulted in the severest temperature drop corresponding to further drop of about 40% compared to that at 1 L min−1. This extreme thermal condition claimed a reduction of 15.2% in methane dynamic delivery capacity with respect to the isothermal delivery capacity. Ethane and propane have high enthalpies of desorption, and hence high portions of these gases may influence the performance of ANG storages through their thermal impact. A gas mixture with 14.98% and 14.54% volumes of ethane and propane resulted in higher temperature drop than methane claiming a reduction of 19.4% in the dynamic delivery capacity comparing with methane delivery capacity. |
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