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纳米颗粒和表面活性剂对混合胺CO2吸收与解吸性能的影响
Effects of nanoparticles and surfactants on CO2 absorption and desorption performances of mixed amine
- 低碳化学与化工 2025, 50(6): 133-139.
- 作者机构：
贵州大学 电气工程学院，贵州 贵阳 550025
- 作者简介：
罗庆玲（1999—），硕士研究生，研究方向为CO2捕集，E-mail：1776320784@qq.com。
龚德鸿（1977—），博士，副教授，研究方向为CO2捕集与利用以及清洁燃烧技术，E-mail：dhgong@gzu.edu.cn。
- 基金信息：贵州省科技计划（黔科合支撑[2022]一般018）;贵州大学引进人才科研项目(贵大基合字[2022]72号)
DOI：10.12434/j.issn.2097-2547.20240342
中图分类号： TK124;TQ021.4收稿日期：2024-08-16，
修回日期：2024-09-23，
纸质出版日期：2025-06-25
- 稿件说明：
移动端阅览
罗庆玲,龚德鸿,汪倩等.纳米颗粒和表面活性剂对混合胺CO2吸收与解吸性能的影响[J].低碳化学与化工,2025,50(06):133-139.
LUO Qingling,GONG Dehong,WANG Qian,et al.Effects of nanoparticles and surfactants on CO2 absorption and desorption performances of mixed amine[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(06):133-139.
罗庆玲,龚德鸿,汪倩等.纳米颗粒和表面活性剂对混合胺CO2吸收与解吸性能的影响[J].低碳化学与化工,2025,50(06):133-139. DOI： 10.12434/j.issn.2097-2547.20240342.
LUO Qingling,GONG Dehong,WANG Qian,et al.Effects of nanoparticles and surfactants on CO2 absorption and desorption performances of mixed amine[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(06):133-139. DOI： 10.12434/j.issn.2097-2547.20240342.
摘要
在有机胺吸收剂中加入纳米颗粒可提高其传热传质性能，进而提升有机胺吸收剂的CO
2
吸收性能并降低解吸能耗。然而，加入纳米颗粒可能出现的粒子团聚现象会对有机胺吸收剂的CO
2
吸收性能产生不利影响。以2.5 mol/L 2-((2-氨基乙基)氨基)乙醇（AEEA）和0.5 mol/L N-甲基二乙醇胺（MDEA）制得混合胺基液，采用CO
2
鼓泡吸收装置和模拟电厂烟气（N
2
和CO
2
体积分数分别为85%和15%）研究了纳米颗粒种类（MoO
3
、WO
3
、ZnO或MgO）、粒径和质量浓度，以及表面活性剂对纳米流体CO
2
吸收与解吸性能的影响。结果表明，对于MoO
3
粒径为10 nm、质量浓度为0.9 g/L的MoO
3
纳米流体，当十六烷基三甲基溴化铵质量浓度为0.6 g/L时，其吸收、解吸增强因子分别为1.1400、1.2045，综合增强因子达到最大值（1.1723）。
Abstract
The heat and mass transfer performances of organic amine absorbents can be improved by adding nanoparticles
then the CO
2
absorpiton performances of organic amine absorbents can be improved and the energy consumptions of desorption can be reduced. However
the addition of nanoparticles may cause particle agglomeration
which will adversely affect the CO
2
absorption performances of the organic amine absorbents. The mixed amine base solution of 2.5 mol/L 2-((2-aminoethyl) amino) ethanol (AEEA) and 0.5 mol/L N-methyldiethanolamine (MDEA) was prepared. Effects of the types
particle sizes and mass concentrations of nanoparticles (MoO
3
WO
3
ZnO or MgO)
and surfactants on the CO
2
absorption and desorption performances of nanofluids were studied by the CO
2
bubble absorber and simulated power plant flue gas (N
2
and CO
2
volume fractions were 85% and 15%
respectively). The results show that for MoO
3
nanofluids with MoO
3
particle size of 10 nm and mass concentration of 0.9 g/L
under hexadecyltrimethylammonium bromide mass concentration of 0.6 g/L
its absorption enhancement factor and desorption enhancement factor are 1.1400 and 1.2045
respectively
and the comprehensive enhancement factor reaches the maximum value (1.1723).
关键词
Keywords
references
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