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The effect of inlet parameters on the performance of packed tower-regenerator

Author

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  • Sultan, G.I.
  • Hamed, Ahmed M.
  • Sultan, A.A.

Abstract

An investigation on the operation of packed tower for the regeneration of liquid desiccant is presented. A theoretical model demonstrating the effect of the system parameters is described. The experimental results are plotted to illustrate the effect of air and liquid parameters on the output variables. The regeneration process is shown to be highly dependent on the air inlet conditions, namely, temperature, humidity and flow rate. Also, the effects of the liquid temperature, concentration and flow rate is discussed. Data obtained were correlated to estimate the rate of water evaporation (regeneration rate) from values of variables that influence the rate of mass transfer in the column.

Suggested Citation

  • Sultan, G.I. & Hamed, Ahmed M. & Sultan, A.A., 2002. "The effect of inlet parameters on the performance of packed tower-regenerator," Renewable Energy, Elsevier, vol. 26(2), pages 271-283.
    • Handle: RePEc:eee:renene:v:26:y:2002:i:2:p:271-283
    DOI: 10.1016/S0960-1481(01)00113-6
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    Citations

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    Cited by:

    1. Wang, Xinli & Cai, Wenjian & Lu, Jiangang & Sun, Youxian & Ding, Xudong, 2013. "A hybrid dehumidifier model for real-time performance monitoring, control and optimization in liquid desiccant dehumidification system," Applied Energy, Elsevier, vol. 111(C), pages 449-455.
    2. Hassan, H.Z. & Mohamad, A.A., 2012. "A review on solar cold production through absorption technology," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(7), pages 5331-5348.
    3. Shalaby, Abdelhamid & Elkamel, Ali & Douglas, Peter L. & Zhu, Qinqin & Zheng, Qipeng P., 2021. "A machine learning approach for modeling and optimization of a CO2 post-combustion capture unit," Energy, Elsevier, vol. 215(PA).
    4. Shukla, Dhruvin L. & Modi, Kalpesh V., 2017. "A technical review on regeneration of liquid desiccant using solar energy," Renewable and Sustainable Energy Reviews, Elsevier, vol. 78(C), pages 517-529.
    5. Enteria, Napoleon & Mizutani, Kunio, 2011. "The role of the thermally activated desiccant cooling technologies in the issue of energy and environment," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(4), pages 2095-2122, May.
    6. Hamed, Ahmed M., 2003. "Desorption characteristics of desiccant bed for solar dehumidification/humidification air conditioning systems," Renewable Energy, Elsevier, vol. 28(13), pages 2099-2111.
    7. Tu, Min & Huang, Hui & Liu, Ze-Hua & Chen, Huan-Xin & Ren, Cheng-Qin & Chen, Guo-Jie & Hu, Yan, 2017. "Factor analysis and optimization of operational parameters in a liquid desiccant air-conditioning system," Energy, Elsevier, vol. 139(C), pages 767-781.
    8. Enteria, Napoleon & Yoshino, Hiroshi & Mochida, Akashi, 2013. "Review of the advances in open-cycle absorption air-conditioning systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 28(C), pages 265-289.
    9. Soo-Jin Lee & Hansol Lim & Jae-Weon Jeong, 2021. "Energy Benefit of Liquid Desiccant-Assisted Humidification in Buildings during Winter Operation," Energies, MDPI, vol. 14(5), pages 1-24, March.
    10. Kabeel, A.E., 2010. "Dehumidification and humidification process of desiccant solution by air injection," Energy, Elsevier, vol. 35(12), pages 5192-5201.
    11. Song, Xia & Zhang, Lun & Zhang, Xiaosong, 2019. "Analysis of the temperatures of heating and cooling sources and the air states in liquid desiccant dehumidification systems regenerated by return air," Energy, Elsevier, vol. 168(C), pages 651-661.
    12. Peng, Donggen & Luo, Danting, 2017. "Modeling and parametrical analysis on internally-heated liquid desiccant regenerator in liquid desiccant air conditioning," Energy, Elsevier, vol. 141(C), pages 461-471.
    13. Giampieri, Alessandro & Ma, Zhiwei & Ling-Chin, Janie & Bao, Huashan & Smallbone, Andrew J. & Roskilly, Anthony Paul, 2022. "Liquid desiccant dehumidification and regeneration process: Advancing correlations for moisture and enthalpy effectiveness," Applied Energy, Elsevier, vol. 314(C).
    14. Kumar, Ritunesh & Dhar, P.L. & Jain, Sanjeev, 2011. "Development of new wire mesh packings for improving the performance of zero carryover spray tower," Energy, Elsevier, vol. 36(2), pages 1362-1374.
    15. Liu, X.H. & Jiang, Y. & Chang, X.M. & Yi, X.Q., 2007. "Experimental investigation of the heat and mass transfer between air and liquid desiccant in a cross-flow regenerator," Renewable Energy, Elsevier, vol. 32(10), pages 1623-1636.

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