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化学工业与工程 2023, Vol. 40 Issue (2) :1-8    DOI: 10.13353/j.issn.1004.9533.20210371
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半干法脱硫渣矿化CO2与解吸AMP溶剂反应研究
王彦1, 宋磊1, 马奎1, 岳海荣1,2, 梁斌1,2
1. 四川大学低碳技术与反应工程研究室, 成都 610065;
2. 四川大学新能源与低碳研究室, 成都 610207
Research on coupling the AMP solvent with semidry desulfurization slag to absorb and mineralize CO2
WANG Yan1, SONG Lei1, MA Kui1, YUE Hairong1,2, LIANG Bin1,2
1. Low-Carbon Technology and Chemical Reaction Engineering Laboratory, School of Chemical Engineering, Sichuan University, Chengdu 610065, China;
2. Institute of New Energy and Low-Carbon Technology, Sichuan University, Chengdu 610207, China

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摘要 采用半干法脱硫工艺产生的脱硫渣对吸收了CO2的有机胺溶剂进行化学解吸并矿化CO2,解吸后的溶剂具有良好的循环稳定性。对比了工业常用的4种有机胺MEA、DEA、MDEA和AMP的吸收-矿化性能,优选出AMP作为吸收矿化工艺的吸收剂。考察了脱硫渣颗粒粒径、搅拌转速、有机胺浓度和反应温度对矿化反应转化率的影响,并利用表面覆盖模型对实验数据进行了动力学拟合。物料和能量衡算结果表明脱硫渣矿化再生工艺在能耗成本方面相较传统热再生工艺具有优势。
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王彦
宋磊
马奎
岳海荣
梁斌
关键词CO2捕集   脱硫渣   吸收矿化工艺   化学吸收法     
Abstract: Amine solvents were chemically desorbed by the semi-dry desulfurization slag (DFS) and showed cycle stabilities. With the comparison of the absorption and mineralization properties of four commonly used amines, such as MEA、DEA、MDEA and AMP, AMP was selected as the absorbent for the process. The effects of particle size, stirring speed, amine concentration, and reaction temperature on the mineralization reaction were investigated. The surface coverage model was used to dynamically fit the experimental data and the materials and energy consumption of the overall process were calculated. The results show that the absorption-mineralization process with DFS had advantages over the thermal regeneration process in terms of energy consumption and cost.
KeywordsCO2 capture   desulfurization slag (DFS)   absorption-mineralization process   chemical desorption     
Received 2021-05-19;
Fund:国家重点研发项目(2018YFB0605700)。
Corresponding Authors: 岳海荣,教授,E-mail:hryue@scu.edu.cn     Email: hryue@scu.edu.cn
About author: 王彦(1994-),男,硕士研究生,从事CO2捕集矿化方面研究。
引用本文:   
王彦, 宋磊, 马奎, 岳海荣, 梁斌.半干法脱硫渣矿化CO2与解吸AMP溶剂反应研究[J].  化学工业与工程, 2023,40(2): 1-8
WANG Yan, SONG Lei, MA Kui, YUE Hairong, LIANG Bin.Research on coupling the AMP solvent with semidry desulfurization slag to absorb and mineralize CO2[J].  Chemcial Industry and Engineering, 2023,40(2): 1-8
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