Performance Evaluation of Aqueous Carbonation for Steelmaking Slag: Process Chemistry

被引：6

作者：

Pan, Shu-Yuan ^{[1
]}

Chiang, Pen-Chi ^{[1
]}

Chen, Yi-Hung ^{[2
]}

Chen, Chun-Da ^{[3
]}

Lin, Hsun-Yu ^{[3
]}

Chang, E-E ^{[4
]}

机构：

[1] Natl Taiwan Univ, Grad Inst Environm Engn, Taipei, Taiwan

[2] Natl Taipei Univ Technol, Dept Chem Engn & Biotechnol, Taipei, Taiwan

[3] China Steel Corp, New Mat Res & Dev Dept, Energy Dev & Applicat Sect, Kaohsiung, Taiwan

[4] Taipei Med Univ, Dept Biochem, Taipei, Taiwan

来源：

GHGT-11 | 2013年 / 37卷

关键词：

CO2; sequestration; thermogravimetric analysis; quantitative X-ray diffraction; Rietveld method; rotating packed bed; calcite; CO2; ASH;

D O I：

10.1016/j.egypro.2013.05.091

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Accelerated carbonation of BOF slag in an RPB is a viable method for CO2 capture due to its high mass transfer rate. However, the process chemistry of carbonation of BOF slag is not well-determined due to their complex compositions. In this investigation, the quantitative X-ray diffraction was utilized to determine the mechanism of carbonation reaction in an RPB. Rietveld refinement, which aims to minimize the difference between the experimental and refined XRD patterns by a least-square procedure, is performed to quantify the crystallized mineral. In addition, changes of physico-chemical properties of BOF slags before and after carbonation were evaluated. (C) 2013 The Authors. Published by Elsevier Ltd.

引用

页码：115 / 121

页数：7

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