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BULLETIN OF THE CHINESE CERAMIC SOCIETY ›› 2022, Vol. 41 ›› Issue (8): 2860-2870.

• Ceramics • Previous Articles     Next Articles

Research Progress on Control and Preparation of Vaterite-Type Calcium Carbonate

WANG Xin1,2, WEI Ming1,3, LIU Kun1,2   

  1. 1. School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China;
    2. Hunan Key Laboratory of Mineral Materials and Application, Central South University, Changsha 410083, China;
    3. Guangxi Xiayang Environmental Protection Technology Co., Ltd., Nanning 530009, China
  • Received:2022-04-24 Revised:2022-06-06 Online:2022-08-15 Published:2022-08-30

Abstract: Vaterite-type calcium carbonate has unique physical, chemical, biological and mechanical properties, and has great application prospects in the fields of daily use, biological medicine, building materials and new materials. However, vaterite-type calcium carbonate is the most unstable thermodynamically stable one among the three anhydrous calcium carbonate crystals, and it is easily converted into aragonite-type or calcite-type calcium carbonate, especially in humid environments or aqueous solutions, this conversion is more likely to occur. This results in many difficulties in the production, processing and application of vaterite-type calcium carbonate. Therefore, the stable preparation method of vaterite-type calcium carbonate has always been one of the research hotspots in the field of calcium carbonate. In this paper, the research methods for the stable regulation and preparation of vaterite-type calcium carbonate in recent years are reviewed, including carbonization method, complex decomposition method, biomineralization method, template method and so on. According to the preparation principle and implementation process, these methods are classified and summarized, their advantages, disadvantages and application prospects are expounded, and the influence laws of various technological factors in the control and preparation process are analyzed. The purpose of this article is to provide practical and theoretical references for the realization of the stable preparation of vaterite-type calcium carbonate in industry.

Key words: vaterite-type calcium carbonate, preparation method, crystal form regulator, carbonization method, complex decomposition method, biomineralization method, template method

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