基于NaOH溶液CO2膜吸收系统的膜结构及传质性能

doi:10.16085/j.issn.1000-6613.2021-1843

化工进展 ›› 2022, Vol. 41 ›› Issue (3): 1283-1288.DOI: 10.16085/j.issn.1000-6613.2021-1843

• 二氧化碳的捕集、封存及利用 • 上一篇下一篇

基于NaOH溶液CO₂膜吸收系统的膜结构及传质性能

冯燕(), 李娜(), 杜南, 李小倩, 周屈兰

西安交通大学动力工程多相流国家重点实验室，陕西西安 710049

收稿日期:2021-08-25 修回日期:2021-11-26 出版日期:2022-03-23 发布日期:2022-03-28
通讯作者: 李娜
作者简介:冯燕（1995—），女，硕士研究生，研究方向为污染物处理。E-mail：410589918@qq.com。
基金资助:
陕西省科技计划(2020JM-081);国家自然科学基金(51076127)

Structure and mass transfer characteristics of membrane system for absorption of CO₂ in NaOH solution

FENG Yan(), LI Na(), DU Nan, LI Xiaoqian, ZHOU Qulan

State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University, Xi’an 710049，Shaanxi, China

Received:2021-08-25 Revised:2021-11-26 Online:2022-03-23 Published:2022-03-28
Contact: LI Na

摘要/Abstract

摘要：

碳捕集与利用技术是实现减碳目标的有效方案。膜系统气体吸收技术能够实现CO₂以 $H C O 3 -$ 、 $C O 3 2 -$ 形式存储在无机碱性吸收剂中，并还原成甲醇、乙醇等清洁燃料。本文采用膜单侧浸泡实验法和传质实验，分别考察了疏水性微孔滤膜聚四氟乙烯（PTFE）膜、聚偏氟乙烯（PVDF）膜、聚丙烯（PP）膜在NaOH碱性溶液中的结构和CO₂传质特性的变化。结果表明，PTFE膜和PP膜在NaOH碱性溶液中溶胀率上升，孔径减小，孔隙率下降，疏水性下降，传质系数下降；PVDF膜在NaOH溶液中会发生反应，结构被破坏，传质系数接近无膜吸收，但无法起到相界面的作用，不能直接用于以NaOH为吸收剂的膜吸收系统。

关键词: 二氧化碳吸收膜, 氢氧化钠溶液, 疏水性, 传质特性

Abstract:

Carbon capture and utilization is an effective way to achieve the carbon reduction target. Gas absorption by alkaline solution on membrane can store CO₂ in the form of $H C O 3 -$ and $C O 3 2 -$ , and the solution can be further used to convert the absorbed CO₂ into clean fuels. The structure and mass transfer characteristics of PTFE, PVDF, PP membranes in the membrane absorption of CO₂ by NaOH solution were investigated by single-sided membrane immersion and mass transfer experiments. The results showed that the swelling rates of PTFE and PP membranes in NaOH solution increased, and their pore size, porosity, hydrophobicity and mass transfer coefficient decreased. The mass transfer coefficient of PVDF membrane system was close to that of absorption without membrane, which could be attributed to the reaction between the membrane and NaOH solution, causing the structure damage and inability to function as the phase-interface.

Key words: CO₂ absorption membrane, NaOH solution, hydrophobicity, mass transfer characteristics

中图分类号:

TQ09

冯燕, 李娜, 杜南, 李小倩, 周屈兰. 基于NaOH溶液CO₂膜吸收系统的膜结构及传质性能[J]. 化工进展, 2022, 41(3): 1283-1288.

FENG Yan, LI Na, DU Nan, LI Xiaoqian, ZHOU Qulan. Structure and mass transfer characteristics of membrane system for absorption of CO₂ in NaOH solution[J]. Chemical Industry and Engineering Progress, 2022, 41(3): 1283-1288.

图/表 10

表1 实验膜材料基本参数

膜种类	膜平均孔径/μm	膜表面孔隙率/%	膜厚度/mm	膜密度/g·cm^-3
PTFE膜	0.45	70	0.16	2.1~2.3
PVDF膜	0.45	60	0.1	1.79~1.83
PP膜	0.45	60	0.2	0.90~0.91

图1 自制平板膜CO2吸收系统

图2 NaOH溶液中不同膜的溶胀率随浸泡时间的变化

图3 不同膜的孔隙率随浸泡时间的变化

图4 PTFE膜NaOH溶液浸泡前后的微观形貌

图5 PVDF膜NaOH溶液浸泡前后的微观形貌

图6 PP膜溶液浸泡前后的微观形貌

图7 三种膜的接触角随浸泡时间的变化

图8 三种膜在NaOH溶液浸泡前后的红外光谱

图9 不同膜的传质系数随浸泡时间的变化规律

参考文献 15

1	AL-MAMOORI A, KRISHNAMURTHY A, ROWNAGHI A A, et al. Carbon capture and utilization update[J]. Energy Technology, 2017, 5(6): 834-849.
2	罗志斌, 龙冉, 王小博, 等. 热增强的光催化二氧化碳还原技术[J]. 化工进展, 2021, 40(9): 5156-5165.
	LUO Zhibin, LONG Ran, WANG Xiaobo, et al. Thermal-enhanced photocatalytic carbon dioxide reduction[J]. Chemical Industry and Engineering Progress, 2021, 40(9): 5156-5165.
3	JIANG Z, XIAO T, KUZNETSOV V L, et al. Turning carbon dioxide into fuel[J]. Philosophical Transactions Series A: Mathematical, Physical, and Engineering Sciences, 2010, 368(1923): 3343-3364.
4	BAZZARELLI F, GIORNO L, PIACENTINI E. Encyclopedia of membranes: porous membranes[M]. Berlin, Heidelberg: Springer, 2015: 1-3.
5	KAROOR S, SIRKAR K K. Gas absorption studies in microporous hollow fiber membrane modules[J]. Industrial & Engineering Chemistry Research, 1993, 32(4): 674-684.
6	孙莹, 杨树莹, 杨林军. 复合溶液膜吸收CO₂的性能及其对膜孔润湿的影响[J]. 化工进展, 2019, 38(5): 2491-2498.
	SUN Ying, YANG Shuying, YANG Linjun. Effect of complex solution on CO₂ absorption and wettability of membrane[J]. Chemical Industry and Engineering Progress, 2019, 38(5): 2491-2498.
7	EL-NAAS M H, AL-MARZOUQI M, MARZOUK S A, et al. Evaluation of the removal of CO₂ using membrane contactors: membrane wettability[J]. Journal of Membrane Science, 2010, 350(1/2): 410-416.
8	AL-MARZOUQI M, EL-NAAS M, MARZOUK S, et al. Modeling of chemical absorption of CO₂ in membrane contactors[J]. Separation and Purification Technology, 2008, 62(3): 499-506.
9	NISHIKAWA N, ISHIBASHI M, OHTA H, et al. CO₂ removal by hollow-fiber gas-liquid contactor[J]. Energy Conversion and Management, 1995, 36(6/7/8/9): 415-418.
10	FALK-PEDERSEN O, GRØNVOLD M S, NØKLEBY P, et al. CO₂ capture with membrane contactors[J]. International Journal of Green Energy, 2005, 2(2): 157-165.
11	WANG Liang, ZHANG Zhaohui, ZHAO Bin, et al. Effect of long-term operation on the performance of polypropylene and polyvinylidene fluoride membrane contactors for CO₂ absorption[J]. Separation and Purification Technology, 2013, 116: 300-306.
12	ZHAO S F, FERON P H M, DENG L Y, et al. Status and progress of membrane contactors in post-combustion carbon capture: a state-of-the-art review of new developments[J]. Journal of Membrane Science, 2016, 511: 180-206.
13	KHAISRI S, DEMONTIGNY D, TONTIWACHWUTHIKUL P, et al. Comparing membrane resistance and absorption performance of three different membranes in a gas absorption membrane contactor[J]. Separation and Purification Technology, 2009, 65(3): 290-297.
14	NOGALSKA A, AMMENDOLA M, TYLKOWSKI B, et al. Ambient CO₂ adsorption via membrane contactors-value of assimilation from air as nature stomata[J]. Journal of Membrane Science, 2018, 546: 41-49.
15	冯雪婷. PVDF超滤膜改性及其应用研究[D]. 天津: 天津工业大学, 2017.
	FENG Xueting. Study on modification and application of PVDF ultrafiltration membrane[D]. Tianjin: Tianjin Polytechnic University, 2017.

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基于NaOH溶液CO₂膜吸收系统的膜结构及传质性能

Structure and mass transfer characteristics of membrane system for absorption of CO₂ in NaOH solution

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