Morphology of carbonates particles precipitated from saline waste solution: Influence of magnesium

被引：1
|
作者：
Filippov, L. O. [1 ]
Grandjean, M. [1 ]
Filippova, I. V. [1 ]
Pelletier, M. [1 ]
机构：
[1] Nancy Univ, CNRS, LEM, UMR 7569, Vandoeuvre Les Nancy, France
来源：
NAMES10: NEW ACHIEVEMENTS IN MATERIALS AND ENVIRONMENTAL SCIENCES | 2013年 / 416卷
关键词：
CALCIUM-CARBONATE; MG2+;
D O I：
10.1088/1742-6596/416/1/012011
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The role of a very low concentration of Mg on the nature, morphology and surface of carbonate particles during soda-ash residual brine carbonation has been studied. The Mg concentration of 200 mg/kg in brine slows down the kinetic of carbonation, modifies the shape of precipitated particles and new carbonated phases are precipitated. The existence of aragonite and (Ca, Mg) hydrated phases is supposed for Ca:Mg ratio equivalent to 24:1 in solid fraction.
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页数：6
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