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Article

Utilization of a CO2 Storage Material: Shape-Controlled Preparation of CaCO3 Microspheres

by
Xianlong Meng
1,2,
Long Zhao
2,
Haitao Guo
3,
Feng Sha
2,
Huihu Shi
2,
Zhaojun Wu
2 and
Jianbin Zhang
1,2,*
1
Key Laboratory of Coal-based CO2 Capture and Geological Storage, China University of Mining and Technology, Xuzhou 221008, China
2
Inner Mongolia Engineering Research Center for CO2 Capture and Utilization, Hohhot 010051, China
3
Inner Mongolia Internet Information Office, Hohhot 010070, China
*
Author to whom correspondence should be addressed.
Crystals 2019, 9(8), 433; https://doi.org/10.3390/cryst9080433
Submission received: 30 July 2019 / Revised: 13 August 2019 / Accepted: 16 August 2019 / Published: 20 August 2019
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Abstract

Homogeneous CaCO3 microspheres were controllably synthesized via a simple hydrothermal method without using extraneous additives by Ca(OH)2 saturated solution reacted with CO2 storage material (CO2SM), which was obtained by absorbing CO2 gas in a system containing equimolar ethylenediamine (EDA) and polyethylene glycol 400 (PEG). Specifically, homogeneous pure vaterite spheres were obtained by using 160 g/L CO2SM solution at 100 °C and a reaction time of two hours. It is noteworthy that the EDA and PEG, which are released from CO2SM, have dual functions as a CO2 absorber and crystal regulator in the process of controlling the crystallization of CaCO3 crystals.
Keywords: CaCO3 microspheres; controllable synthesis; CO2 storage material; CO2 utilization CaCO3 microspheres; controllable synthesis; CO2 storage material; CO2 utilization

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MDPI and ACS Style

Meng, X.; Zhao, L.; Guo, H.; Sha, F.; Shi, H.; Wu, Z.; Zhang, J. Utilization of a CO2 Storage Material: Shape-Controlled Preparation of CaCO3 Microspheres. Crystals 2019, 9, 433. https://doi.org/10.3390/cryst9080433

AMA Style

Meng X, Zhao L, Guo H, Sha F, Shi H, Wu Z, Zhang J. Utilization of a CO2 Storage Material: Shape-Controlled Preparation of CaCO3 Microspheres. Crystals. 2019; 9(8):433. https://doi.org/10.3390/cryst9080433

Chicago/Turabian Style

Meng, Xianlong, Long Zhao, Haitao Guo, Feng Sha, Huihu Shi, Zhaojun Wu, and Jianbin Zhang. 2019. "Utilization of a CO2 Storage Material: Shape-Controlled Preparation of CaCO3 Microspheres" Crystals 9, no. 8: 433. https://doi.org/10.3390/cryst9080433

APA Style

Meng, X., Zhao, L., Guo, H., Sha, F., Shi, H., Wu, Z., & Zhang, J. (2019). Utilization of a CO2 Storage Material: Shape-Controlled Preparation of CaCO3 Microspheres. Crystals, 9(8), 433. https://doi.org/10.3390/cryst9080433

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