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Int. J. Mol. Sci. 2009, 10(11), 4954-4962; doi:10.3390/ijms10114954
Article

Effect of Hydraulic Activity on Crystallization of Precipitated Calcium Carbonate (PCC) for Eco-Friendly Paper

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Received: 29 October 2009; in revised form: 8 November 2009 / Accepted: 11 November 2009 / Published: 11 November 2009
(This article belongs to the Section Material Sciences and Nanotechnology)
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Abstract: Wt% of aragonite, a CaCO3 polymorph, increased with higher hydraulic activity (°C) of limestone in precipitated calcium carbonate (PCC) from the lime-soda process (Ca(OH)2-NaOH-Na2CO3). Only calcite, the most stable polymorph, was crystallized at hydraulic activity under 10 °C, whereas aragonite also started to crystallize over 10 °C. The crystallization of PCC is more dependent on the hydraulic activity of limestone than CaO content, a factor commonly used to classify limestone ores according to quality. The results could be effectively applied to the determination of polymorphs in synthetic PCC for eco-friendly paper manufacture.
Keywords: hydraulic activity; precipitated calcium carbonate (PCC); crystallization; calcite; aragonite; limestone; eco-friendly paper hydraulic activity; precipitated calcium carbonate (PCC); crystallization; calcite; aragonite; limestone; eco-friendly paper
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Kim, J.-A.; Han, G.-C.; Lim, M.; You, K.-S.; Ryu, M.; Ahn, J.-W.; Fujita, T.; Kim, H. Effect of Hydraulic Activity on Crystallization of Precipitated Calcium Carbonate (PCC) for Eco-Friendly Paper. Int. J. Mol. Sci. 2009, 10, 4954-4962.

AMA Style

Kim J-A, Han G-C, Lim M, You K-S, Ryu M, Ahn J-W, Fujita T, Kim H. Effect of Hydraulic Activity on Crystallization of Precipitated Calcium Carbonate (PCC) for Eco-Friendly Paper. International Journal of Molecular Sciences. 2009; 10(11):4954-4962.

Chicago/Turabian Style

Kim, Jung-Ah; Han, Gi-Chun; Lim, Mihee; You, Kwang-Suk; Ryu, Miyoung; Ahn, Ji-Whan; Fujita, Toyohisa; Kim, Hwan. 2009. "Effect of Hydraulic Activity on Crystallization of Precipitated Calcium Carbonate (PCC) for Eco-Friendly Paper." Int. J. Mol. Sci. 10, no. 11: 4954-4962.



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