Calcium looping is a widely used CO2 capture technology, where calcium oxide (CaO) is used as a sorbent. However, it has many drawbacks such as expensive raw material and reduction in sorbent capacity over multiple cycles. This study is aimed at developing economic as well as environment friendly sorbents for CO2 capturing. For this purpose, chicken eggshells were collected from household municipal waste as a CaO sorbent for CO2 capture. The eggshell sorbent was characterized using different techniques such as SEM-EDS, XRD and TGA. Three different organic acids were used to improve the conversion of eggshell sorbents i.e., lactic, oxalic and tartaric acid. The results showed that one out of three acids i.e., lactic acid (ES LA-10%) showed improved conversion and stability over a period of 20 cycles as compared to other acids. In terms of CaO conversion ES LA-10% displayed the maximum performance of 47.8% and had improved cyclic stability during 20 cycles. Hence, this study showed that modifying sorbent (eggshells) by using acid is a better sorbent in comparison with other natural and synthetic sorbent, therefore reducing waste and cost simultaneously.
| Published in | International Journal of Economy, Energy and Environment (Volume 4, Issue 6) |
| DOI | 10.11648/j.ijeee.20190406.13 |
| Page(s) | 132-135 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2020. Published by Science Publishing Group |
Eggshell, Organic Acids, CaO Based Sorbent, CO2 Capture
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APA Style
Azra Nawar, Majid Ali, Rashid Khan, Mariam Mahmood. (2020). Modification of Waste-derived CaO Using Organic Acids for CO2 Capture. International Journal of Economy, Energy and Environment, 4(6), 132-135. https://doi.org/10.11648/j.ijeee.20190406.13
ACS Style
Azra Nawar; Majid Ali; Rashid Khan; Mariam Mahmood. Modification of Waste-derived CaO Using Organic Acids for CO2 Capture. Int. J. Econ. Energy Environ. 2020, 4(6), 132-135. doi: 10.11648/j.ijeee.20190406.13
AMA Style
Azra Nawar, Majid Ali, Rashid Khan, Mariam Mahmood. Modification of Waste-derived CaO Using Organic Acids for CO2 Capture. Int J Econ Energy Environ. 2020;4(6):132-135. doi: 10.11648/j.ijeee.20190406.13
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Download@article{10.11648/j.ijeee.20190406.13,
author = {Azra Nawar and Majid Ali and Rashid Khan and Mariam Mahmood},
title = {Modification of Waste-derived CaO Using Organic Acids for CO2 Capture},
journal = {International Journal of Economy, Energy and Environment},
volume = {4},
number = {6},
pages = {132-135},
doi = {10.11648/j.ijeee.20190406.13},
url = {https://doi.org/10.11648/j.ijeee.20190406.13},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijeee.20190406.13},
abstract = {Calcium looping is a widely used CO2 capture technology, where calcium oxide (CaO) is used as a sorbent. However, it has many drawbacks such as expensive raw material and reduction in sorbent capacity over multiple cycles. This study is aimed at developing economic as well as environment friendly sorbents for CO2 capturing. For this purpose, chicken eggshells were collected from household municipal waste as a CaO sorbent for CO2 capture. The eggshell sorbent was characterized using different techniques such as SEM-EDS, XRD and TGA. Three different organic acids were used to improve the conversion of eggshell sorbents i.e., lactic, oxalic and tartaric acid. The results showed that one out of three acids i.e., lactic acid (ES LA-10%) showed improved conversion and stability over a period of 20 cycles as compared to other acids. In terms of CaO conversion ES LA-10% displayed the maximum performance of 47.8% and had improved cyclic stability during 20 cycles. Hence, this study showed that modifying sorbent (eggshells) by using acid is a better sorbent in comparison with other natural and synthetic sorbent, therefore reducing waste and cost simultaneously.},
year = {2020}
}
TY - JOUR T1 - Modification of Waste-derived CaO Using Organic Acids for CO2 Capture AU - Azra Nawar AU - Majid Ali AU - Rashid Khan AU - Mariam Mahmood Y1 - 2020/01/06 PY - 2020 N1 - https://doi.org/10.11648/j.ijeee.20190406.13 DO - 10.11648/j.ijeee.20190406.13 T2 - International Journal of Economy, Energy and Environment JF - International Journal of Economy, Energy and Environment JO - International Journal of Economy, Energy and Environment SP - 132 EP - 135 PB - Science Publishing Group SN - 2575-5021 UR - https://doi.org/10.11648/j.ijeee.20190406.13 AB - Calcium looping is a widely used CO2 capture technology, where calcium oxide (CaO) is used as a sorbent. However, it has many drawbacks such as expensive raw material and reduction in sorbent capacity over multiple cycles. This study is aimed at developing economic as well as environment friendly sorbents for CO2 capturing. For this purpose, chicken eggshells were collected from household municipal waste as a CaO sorbent for CO2 capture. The eggshell sorbent was characterized using different techniques such as SEM-EDS, XRD and TGA. Three different organic acids were used to improve the conversion of eggshell sorbents i.e., lactic, oxalic and tartaric acid. The results showed that one out of three acids i.e., lactic acid (ES LA-10%) showed improved conversion and stability over a period of 20 cycles as compared to other acids. In terms of CaO conversion ES LA-10% displayed the maximum performance of 47.8% and had improved cyclic stability during 20 cycles. Hence, this study showed that modifying sorbent (eggshells) by using acid is a better sorbent in comparison with other natural and synthetic sorbent, therefore reducing waste and cost simultaneously. VL - 4 IS - 6 ER -
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