Storage of carbon dioxide captured in a pilot-scale biogas upgrading plant by accelerated carbonation of industrial residues

被引:46
作者
Baciocchi, Renato [1 ]
Corti, Andrea [2 ]
Costa, Giulia [1 ]
Lombardi, Lidia [3 ]
Zingaretti, Daniela [1 ]
机构
[1] Univ Roma Tor Vergata, Dept Civil Engn, Via Politecn 1, I-00133 Rome, Italy
[2] Univ Siena, Informat Engn Dept, Via Laterina 8, I-53100 Siena, Italy
[3] Univ Florence, Dept Energy Engn, I-50139 Florence, Italy
来源
10TH INTERNATIONAL CONFERENCE ON GREENHOUSE GAS CONTROL TECHNOLOGIES | 2011年 / 4卷
关键词
biogas upgrading; CO2 capture and storage; alkaline industrial residues; carbonation; akali regeneration; WASTE;
D O I
10.1016/j.egypro.2011.02.469
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
This work reports the preliminary evaluations obtained within the UPGAS-LOWCO2 project (LIFE08 ENV/IT/000429) concerning innovative methods for biogas upgrading through CO2 capture and storage. One of the methods studied in this project is chemical absorption of the CO2 contained in landfill gas with a KOH solution followed by carbonation of the spent solution with selected industrial residues to regenerate the alkaline solution and store CO2 in a solid phase (calcite). This paper presents the main results of the lab scale experiments carried out to evaluate the effects of the main operating parameters on the carbonation reaction so to identify the conditions that allow to maximize the CO2 uptake of the solid residues and the percentage of KOH that can be regenerated for the absorption process. These results provide the dataset for the design of a pilot plant unit to be built and operated in the follow-up of the project. (C) 2011 Published by Elsevier Ltd.
引用
收藏
页码:4985 / 4992
页数:8
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