Carbonation of magnesium silicate mineral using a pressurised gas/solid process

被引：69

作者：

Fagerlund, Johan ^{[1
]}

Teir, Sebastian ^{[2
]}

Nduagu, Experience ^{[1
]}

Zevenhoven, Ron ^{[1
]}

机构：

[1] Abo Akad Univ, Biskopsgatan 8, FI-20500 Turku, Finland

[2] VTT Tech Res Ctr Finland, FI-02044 Espoo, Finland

来源：

GREENHOUSE GAS CONTROL TECHNOLOGIES 9 | 2009年 / 1卷 / 01期

基金：

芬兰科学院;

关键词：

Carbon dioxide storage; mineral carbonation; gas/solid carbonation; Mg(OH)(2); serpentinite; LONG-TERM STORAGE; CO2; SEQUESTRATION;

D O I：

10.1016/j.egypro.2009.02.321

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：

Carbon dioxide mineral sequestration is not as widely advocated as CO2 sequestration by other means such as underground storage alternatives, yet it possesses properties ( capacity, permanency, energy economy) that can not be matched by other options. In this paper, our findings and results since GHGT-8 as well as current activities and near-future plans regarding CO2 mineral carbonation are presented. The focus lies on the use of fluidised bed (FB) reactors for the carbonation of magnesium silicates via magnesium oxide or magnesium hydroxide intermediates, at temperatures and pressures up to 600 degrees C, 100 bar ( allowing for both sub- and supercritical conditions for CO2), supported by earlier experiments using pressurised thermogravimetric analysis (PTGA). In addition, as the production of reactive magnesium from silicate mineral is not straightforward, it receives special attention, and first results of magnesium hydroxide production from serpentine using different methods are presented. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：4907 / 4914

页数：8

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