Efficient adsorptive separation of C3H6 over C3H8 on flexible and thermoresponsive CPL-1

Chen, Yongwei; Qiao, Zhiwei; Lv, Daofei; Duan, Chongxiong; Sun, Xuejiao; Wu, Houxiao; Shi, Renfeng; Xia, Qibin

doi:10.1016/j.cej.2017.07.044

Cited by 85 publications

(70 citation statements)

References 49 publications

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“…C 3 H 6 is mainly produced by naphtha cracking and typically coexists with the unsaturated counterpart propane (C 3 H 8 ), which must be removed for the purpose to obtain polymer‐grade C 3 H 6 . Currently, industrial C 3 H 6 /C 3 H 8 separation is mainly accomplished by energy‐intensive distillation, which has to be conducted under harsh conditions at about −30°C and 30 bar in rectifying column consisting of more than 100 trays 5,6 . The separation of C 3 H 6 /C 3 H 8 together with C 2 H 4 /C 2 H 6 accounts for nearly 0.3% of the global energy consumption, and has been listed as one of the seven chemical separations to change the world 7 .…”

Section: Introductionmentioning

confidence: 99%

Separation of propylene and propane with a microporous metal–organic framework via equilibrium‐kinetic synergetic effect

Ding

Zhang

et al. 2020

AIChE Journal

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Adsorption separation of olefin and paraffin can greatly lower the energy consumption associated with the currently utilized distillation technique but remains a great challenge. Herein, we report the efficient separation of propylene (C3H6) and propane (C3H8) in a phosphate anion‐functionalized metal–organic framework (MOF) ZnAtzPO4 by synergetic effect of equilibrium and kinetics. The material features periodically expanded and contracted apertures decorated with electronegative groups, offering eligible pore shape and pore chemistry to effectively trap C3H6 under moderate isosteric heat of adsorption (27.5 kJ mol−1) while obstruct the diffusion of C3H8. It simultaneously combines excellent thermodynamic selectivity (uptake ratio of 1.71) and kinetic selectivity (~31) for C3H6/C3H8 separation, meanwhile can be easily regenerated. Breakthrough experiment for C3H6/C3H8 gas mixture was conducted and confirmed the outstanding separation capability of ZnAtzPO4. The equilibrium and kinetics cooperative C3H6/C3H8 adsorption separation was for the first time found in anion‐functionalized MOFs, and further confirmed by computational studies.

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Section: Introductionmentioning

confidence: 99%

Separation of propylene and propane with a microporous metal–organic framework via equilibrium‐kinetic synergetic effect

Ding

Zhang

et al. 2020

AIChE Journal

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“…PCPs have many significant characteristics such as facile synthesis conditions (e.g., room temperature and ambient pressure) and flexible frameworks [159,160]. Chen et al [161] (Fig. 13).…”

Section: Cpl Seriesmentioning

confidence: 99%

“…Importantly, CPL-1 is a flexible material that has a unique guest-responsive nature [162]. Chen et al [161] systematically investigated the adsorption and separation of olefin/paraffin mixtures (C 3 H /C 3 H 8 ) on flexible CPL-1. The results indicated that the CPL-1 captured C 3 H 6 rather than C 3 H 8 owing to the gate-opening effect.…”

Section: Cpl Seriesmentioning

confidence: 99%

Water-based routes for synthesis of metal-organic frameworks: A review

et al. 2020

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Although metal-organic frameworks (MOFs) show numerous advantages over other crystalline materials, their industrial relevances have been impeded owing to their many drawbacks such as environmental impacts and economic costs of their synthesis. A green preparation pathway could greatly reduce the environmental costs, energy, and the need for toxic organic solvents, and consequently reduce the production cost. Thus, the most desirable synthesis route is the replacement of harsh organic solvents with aqueous solutions to abate environmental and economic impacts. This review summarizes recent research advancements of water-based routes for MOF synthesis and gives a brief outline of the most prominent examples. The challenges and prospects of the commercialization of promising MOFs in the future are also presented. This study aims to offer necessary information regarding the green, sustainable, and industrially acceptable fabrication of MOFs for their commercial applications in the future.

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“…2 Much research has focussed on developing adsorptive separations that might offer cheaper and less energy-intensive routes for olen separation. 3 Examples of adsorptive separations of olens and paraffins have been demonstrated using metal-organic frameworks (MOFs), [4][5][6][7][8] zeolites, 9,10 and activated carbons. 11 Due to similarities in the shape and size of propane and propene, molecular sieving has proved difficult to achieve.…”

Section: Introductionmentioning

confidence: 99%

Efficient separation of propane and propene by a hypercrosslinked polymer doped with Ag(i)

Stephenson

Chen

et al. 2019

J. Mater. Chem. A

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Efficient adsorptive separation of C3H6 over C3H8 on flexible and thermoresponsive CPL-1

Cited by 85 publications

References 49 publications

Separation of propylene and propane with a microporous metal–organic framework via equilibrium‐kinetic synergetic effect

Separation of propylene and propane with a microporous metal–organic framework via equilibrium‐kinetic synergetic effect

Water-based routes for synthesis of metal-organic frameworks: A review

Efficient separation of propane and propene by a hypercrosslinked polymer doped with Ag(i)

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