Seeded calcite sonocrystallization

被引：31

作者：

Boels, L. ^{[1
,2
]}

Wagterveld, R. M. ^{[1
,2
]}

Mayer, M. J. ^{[2
]}

Witkamp, G. J. ^{[1
]}

机构：

[1] Delft Univ Technol, Lab Proc Equipment, NL-2628 CA Delft, Netherlands

[2] Wetsus, Ctr Excellence Sustainable Water Technol, NL-8900 CC Leeuwarden, Netherlands

来源：

JOURNAL OF CRYSTAL GROWTH | 2010年 / 312卷 / 07期

关键词：

Ultrasound; Sonocrystallization; Seed crystals; Crystal growth; Calcite; ULTRASONIC IRRADIATION; PRIMARY NUCLEATION; CRYSTAL-GROWTH; POTASH ALUM; CRYSTALLIZATION; CARBONATE; PRECIPITATION;

D O I：

10.1016/j.jcrysgro.2010.01.016

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The seeded sonocrystallization of calcite was investigated by measuring the volumetric crystallization rate at constant composition conditions. The crystallization rate of calcite was enhanced by 46% through ultrasonic irradiation (42,150 Hz, 17W dm(-3)) of a supersaturated crystal suspension. It was shown that this effect was related to the alteration of the seed crystals' habit and size. During ultrasonic irradiation disruption of conglomerates and erosion of single crystals occurred, accompanied by the production of many fines. The increased surface area available for crystal growth resulted in the observed crystallization rate enhancement. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：961 / 966

页数：6

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