The Influence of Temperature and Gas Flow Rate on the Formation CaCO3 Vaterite Phase

被引：3

作者：

Arifin, Z. ^{[1
]}

Zainuri, M. ^{[1
]}

Cahyono, Y. ^{[1
]}

Darminto ^{[1
]}

机构：

[1] Inst Teknol Sepuluh Nopember ITS, Dept Phys, Fac Sci, Adv Mat Res Grp, Kampus ITS Sukolilo, Surabaya 6011, Indonesia

来源：

7TH NANOSCIENCE AND NANOTECHNOLOGY SYMPOSIUM (NNS) | 2018年 / 395卷

关键词：

MORPHOLOGY;

D O I：

10.1088/1757-899X/395/1/012004

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

CaCO3 powder is much needed in the industry. CaCO3 vaterite phase is widely used as raw material in the pharmaceutical and cosmetic industries. PCC can be synthesized from natural limestone. Indonesia has abundant limestone reserves and has a very high purity(1). In this study, the synthesis of CaCO3 powder was carried out at 29 degrees C and 40 degrees C by carbonation method without and by using gas bubble breakers. Characterization of CaCO3 with SEM and XRD shows the formation of calcite and vaterite phases. The formation of the vaterite phase CaCO3 is very sensitive in the changes of temperature and CO2 gas flow rate. The formation of a vaterite phase without a gas bubble breaker is increased linearly. In contrast to the gas bubble breaker the formation of vaterite is saturated after a CO2 gas flow rate of 2.3 lt/min.

引用

页数：6

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