Enhanced one-step purification of C2H4 from C2H2/C2H4/C2H6 mixtures by fluorinated Zr-MOF

被引：19
|
作者：
Liu, Jiaqi [1 ]
Miao, Jiafeng [1 ]
Wang, Hao [1 ,4 ]
Gai, Yanli [2 ,5 ]
Li, Jing [1 ,3 ,4 ]
机构：
[1] Shenzhen Polytech, Hoffmann Inst Adv Mat, Shenzhen, Guangdong, Peoples R China
[2] Jiangsu Normal Univ, Sch Chem & Mat Sci, Xuzhou, Jiangsu, Peoples R China
[3] Rutgers State Univ, Dept Chem & Chem Biol, Piscataway, NJ USA
[4] Shenzhen Polytech, Hoffmann Inst Adv Mat, 7098 Liuxian Blvd, Shenzhen 518055, Guangdong, Peoples R China
[5] Jiangsu Normal Univ, Sch Chem & Mat Sci, Xuzhou 221116, Jiangsu, Peoples R China
来源：
AICHE JOURNAL | 2023年 / 69卷 / 06期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
adsorptive separation; ethylene purification; ethylene; ethane; acetylene separation; metal-organic frameworks; METAL-ORGANIC FRAMEWORKS; THERMAL-CRACKING; SEPARATION; ETHYLENE; HYDROCARBONS; ADSORPTION; OLEFINS; GAS;
D O I：
10.1002/aic.18021
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The extraction of C2H4 from C2H6/C2H4/C2H2 mixtures is of great significance in the chemical industry for C2H4 production but the process remains challenging due to the similarity of these C-2 hydrocarbon species in their molecular size and physical properties. Here, we report the fluorination of a stable Zr-MOF, UiO-66, to fine-tune the pore dimensions and pore functionality. In particular, UiO-66-CF3 shows notably preferential adsorption of C2H6 and C2H2 over C2H4, with C2H2/C2H4 and C2H6/C2H4 selectivities of 1.4 and 1.9, respectively. Theoretical calculations provide insight into the binding sites of UiO-66-CF3 for C-2 hydrocarbon adsorption. Breakthrough experiments further confirmed the capability of the material for purification of C2H4 from C2H2/C2H4/C2H6 ternary mixtures, evidenced by the high purity C2H4 (99.9%+) obtained directly from outlet gas.
引用
收藏
页数：8
相关论文
共 50 条
  • [11] A large-scale synthesizable superhydrophobic C2H6- selective MOF for C2H6/C2H4 separation
    Wu, Xue-Cui
    Zhao, Li
    Tian, Yong-Jun
    Zou, Jin-Sheng
    Jia, Yanan
    Zhang, Ze-Yang
    Li, Jia-Han
    Peng, Yun-Lei
    Yao, Erdong
    Chen, Guangjin
    MICROPOROUS AND MESOPOROUS MATERIALS, 2024, 378
  • [12] Computational screening of MOFs for C2H6/C2H4 and C2H6/CH4 separations
    Altintas, Cigdem
    Keskin, Seda
    CHEMICAL ENGINEERING SCIENCE, 2016, 139 : 49 - 60
  • [13] A pillar-layered MOF bearing N/O sites for one-step purification of C2H4 from the mixtures with C2H6 or C3H6
    Yang, Qiang-Qiang
    Ma, Zhi-Han
    Zhang, Qiang
    Song, Zi-Han
    Nie, Hong-Xiang
    Pang, Jing-Jing
    Yao, Zhao-Quan
    Huang, Hongliang
    Feng, Min
    Hu, Tong-Liang
    Xu, Jian
    SEPARATION AND PURIFICATION TECHNOLOGY, 2025, 363
  • [14] Simultaneous removal of C2H2 and C2H6 for C2H4 purification by robust MOFs featuring a high density of heteroatoms
    Xian, Shikai
    Peng, Junjie
    Pandey, Haardik
    Graham, Wells
    Yu, Liang
    Wang, Hao
    Tan, Kui
    Thonhauser, Timo
    Li, Jing
    JOURNAL OF MATERIALS CHEMISTRY A, 2023, 11 (39) : 21401 - 21410
  • [15] Tailoring a robust Al-MOF for trapping C2H6 and C2H2 towards efficient C2H4 purification from quaternary mixtures
    Laha, Subhajit
    Dwarkanath, Nimish
    Sharma, Abhishek
    Rambabu, Darsi
    Balasubramanian, Sundaram
    Maji, Tapas Kumar
    CHEMICAL SCIENCE, 2022, 13 (24) : 7172 - 7180
  • [16] A robust Th-azole framework for highly efficient purification of C2H4 from a C2H4/C2H2/C2H6 mixture
    Xu, Zhenzhen
    Xiong, Xiaohong
    Xiong, Jianbo
    Krishna, Rajamani
    Li, Libo
    Fan, Yaling
    Luo, Feng
    Chen, Banglin
    NATURE COMMUNICATIONS, 2020, 11 (01)
  • [17] Pore environment optimization of In-MOFs by pore space partition strategy for one-step C2H4 purification from C2H6/C2H4 mixtures
    Sun, Tiantian
    Li, Wen
    Yu, Xueyue
    Si, Jincheng
    Li, Guanghua
    Yu, Liang
    Zhou, Xin
    Wang, Hao
    Liu, Yunling
    SEPARATION AND PURIFICATION TECHNOLOGY, 2025, 364
  • [18] An aliphatic MOF with a molecular sieving effect for efficient C2H2/C2H4 separation
    Li, Xianzhen
    Cao, Chen
    Fan, Ziwen
    Liu, Jianfa
    Pham, Tony
    Forrest, Katherine A.
    Niu, Zheng
    DALTON TRANSACTIONS, 2023, 52 (42) : 15338 - 15342
  • [19] Fine-tuning porosity of In-MOFs with ncb topology based on reticular chemistry for one-step purification C2 H4 from ternary C2H6 /C2H4 / C2H2 mixtures
    Li, Wen
    Zhang, Borong
    Shi, Zhaohui
    Zhang, Lirong
    Chang, Zhiyong
    Liu, Yunling
    SEPARATION AND PURIFICATION TECHNOLOGY, 2024, 349
  • [20] Construction of saturated coordination titanium-based metal-organic framework for one-step C2H2/C2H6/C2H4 separation
    Liu, Puxu
    Wang, Yong
    Chen, Yang
    Yang, Jiangfeng
    Wang, Xiaoqing
    Li, Libo
    Li, Jinping
    SEPARATION AND PURIFICATION TECHNOLOGY, 2021, 276
12345