Sodium Lignosulfonate Induced Vaterite Calcium Carbonate with Multilayered Structure

被引：28

作者：

Guo, Hongxia ^{[1
]}

Sun, Pengzhi ^{[1
]}

Qin, Zhenping ^{[2
]}

Shan, Linglong ^{[2
]}

Zhang, Guojun ^{[2
]}

Cui, Suping ^{[2
]}

Liang, Yucang ^{[3
]}

机构：

[1] Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

[2] Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100124, Peoples R China

[3] Univ Tubingen, Inst Anorgan Chem, D-72076 Tubingen, Germany

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2014年 / 2014卷 / 06期

基金：

北京市自然科学基金; 中国国家自然科学基金;

关键词：

Biomineralization; Sodium lignosulfonate; Crystal phases; Vaterite; Calcium carbonate; CRYSTAL-GROWTH; ORIENTED ATTACHMENT; CACO3; MESOCRYSTALS; ETHYLENE-GLYCOL; CRYSTALLIZATION; ARAGONITE; PRECIPITATION; BIOMINERALIZATION; SUPERSTRUCTURES; MINERALIZATION;

D O I：

10.1002/ejic.201301228

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Sodium lignosulfonate (SL), a byproduct of the pulping industry, was used as a stabilizer for the mineralization of CaCO3. In a calcium acetate-urea-water system, the direct aging of the aqueous solution of calcium acetate and urea resulted in the formation of mixed aragonite and vaterite phases or a pure aragonite phase depending on the aging time. However, SL was introduced into the calcium acetate-urea-water system to markedly stabilize the formation of a thermodynamically unstable vaterite phase. Various morphologies of vaterite structures were observed by adjusting the concentration of urea and SL as well as the aging time. Based on these results, ion exchange, carbonate attacking the calcium(II) ions, aggregations of SL-stabilized primary CaCO3 particles through oriented attachment and Ostwald ripening, as well as mesoscale self-assembly were proposed as mechanisms to elucidate the formation of various morphologies.

引用

页码：1001 / 1009

页数：9

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