Optimization of the gas separation performance of polyurethane–zeolite 3A and ZSM-5 mixed matrix membranes using response surface methodology

Afarani, Hajar Taheri; Sadeghi, Morteza; Moheb, Ahmad; Esfahani, Ebrahim Nasr

doi:10.1016/j.cjche.2018.03.013

Cited by 24 publications

(12 citation statements)

References 37 publications

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“…Table 1 lists the gas separation performance of some MMMs made by different fillers in addition to zeolites. In comparison, the gas separation performance of the MMMs prepared by Pebax‐1074 and SAPO‐23 in this work is superior to most reported values in literature 18,57–62 . Besides, it also demonstrates that the applied dopants SAPO‐23 is comparable to NaY for MMMs preparation 26 …”

Section: Resultsmentioning

confidence: 42%

Fabrication of Pebax/SAPO mixed matrix membranes for CO₂/N₂ separation

Zhang

Zheng

et al. 2021

J of Applied Polymer Sci

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Mixed matrix membranes (MMMs) were prepared by solvent evaporation method using Pebax‐1074 polymer as matrix and inorganic zeolite SAPO‐23 as dopant. The morphology, surface functional groups, microstructure, thermal stability, and separation performance of MMMs were analyzed by scanning electron microscopy, Fourier transform infrared spectroscopy, X‐ray diffraction, thermogravimetric analysis, and gas permeation, respectively. The effects of dopant loading amount, permeation temperature, and permeation pressure on the structure and properties of MMMs were investigated. The results showed that the introduction of SAPO zeolite reduced the crystallinity of the MMMs and improved the CO2/N2 selectivity. Under the conditions of 30°C and 0.15 MPa, the MMMs prepared by incorporating with 5% SAPO zeolite in content exhibited the highest CO2/N2 selectivity of 72.0 together with the CO2 permeability of 98.2 Barrer.

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Section: Resultsmentioning

confidence: 42%

Fabrication of Pebax/SAPO mixed matrix membranes for CO₂/N₂ separation

Zhang

Zheng

et al. 2021

J of Applied Polymer Sci

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“…Attention should be paid to the rapid development of superoleophobic/superoleophilic, superhydrophilic/superhydrophobic surfaces [19][20][21][22][23] and membranes [24][25][26][27] as well as energy-efficient modular separation devices, which are used for separation of oil-water emulsions and gas-liquid mixtures. Additionally, the appliance of inertial gas-dynamic separation of gas-dispersion flows in the curvilinear convergent-divergent channels [28] to improve the reliability of compressor equipment is presented in [29].…”

Section: Literature Reviewmentioning

confidence: 99%

Identification of the Interfacial Surface in Separation of Two-Phase Multicomponent Systems

et al. 2020

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The area of the contact surface of phases is one of the main hydrodynamic indicators determining the separation and heat and mass transfer equipment calculations. Methods of evaluating this indicator in the separation of multicomponent two-phase systems were considered. It was established that the existing methods for determining the interfacial surface are empirical ones, therefore limited in their applications. Consequently, the use of the corresponding approaches is appropriate for certain technological equipment only. Due to the abovementioned reasons, the universal analytical formula for determining the interfacial surface was developed. The approach is based on both the deterministic and probabilistic mathematical models. The methodology was approved on the example of separation of two-phase systems considering the different fractional distribution of dispersed particles. It was proved that the area of the contact surface with an accuracy to a dimensionless ratio depends on the volume concentration of the dispersed phase and the volume of flow. The separate cases of evaluating the contact area ratio were considered for different laws of the fractional distribution of dispersed particles. As a result, the dependence on the identification of the abovementioned dimensionless ratio was proposed, as well as its limiting values were determined. Finally, a need for the introduction of the correction factor was substantiated and practically proved on the example of mass-transfer equipment.

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“…According to the findings in the literature, operating temperature influences the CO 2 permeability of the membrane by affecting the mobility of the polymer chain and free volume [ 18 ] in the polymer, thus resulted in a change of CO 2 diffusivity [ 19 ]. In contrast, feed pressure may affect the gas solubility in the membrane, which affects the CO 2 permeability [ 11 ].…”

Section: Introductionmentioning

confidence: 99%

RSM Modeling and Optimization of CO2 Separation from High CO2 Feed Concentration over Functionalized Membrane

et al. 2022

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The challenges in developing high CO2 gas fields are governed by several factors such as reservoir condition, feed gas composition, operational pressure and temperature, and selection of appropriate technologies for bulk CO2 separation. Thus, in this work, we report an optimization study on the separation of CO2 from CH4 at high CO2 feed concentration over a functionalized mixed matrix membrane using a statistical tool, response surface methodology (RSM) statistical coupled with central composite design (CCD). The functionalized mixed matrix membrane containing NH2-MIL-125 (Ti) and 6FDA-durene, fabricated in our previous study, was used to perform the separation performance under three operational parameters, namely, feed pressure, temperature, and CO2 feed concentration, ranging from 3.5–12.5 bar, 30.0–50.0 °C and 15–70 mol%, respectively. The CO2 permeability and CO2/CH4 separation factor obtained from the experimental work were varied from 293.2–794.4 Barrer and 5.3–13.0, respectively. In addition, the optimum operational parameters were found at a feed pressure of 12.5 bar, a temperature of 34.7 °C, and a CO2 feed concentration of 70 mol%, which yielded the highest CO2 permeability of 609.3 Barrer and a CO2/CH4 separation factor of 11.6. The average errors between the experimental data and data predicted by the model for CO2 permeability and CO2/CH4 separation factor were 5.1% and 3.3%, respectively, confirming the validity of the proposed model. Overall, the findings of this work provide insights into the future utilization of NH2-MIL-125 (Ti)/6FDA-based mixed matrix membranes in real natural gas purification applications.

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Optimization of the gas separation performance of polyurethane–zeolite 3A and ZSM-5 mixed matrix membranes using response surface methodology

Cited by 24 publications

References 37 publications

Fabrication of Pebax/SAPO mixed matrix membranes for CO₂/N₂ separation

Fabrication of Pebax/SAPO mixed matrix membranes for CO₂/N₂ separation

Identification of the Interfacial Surface in Separation of Two-Phase Multicomponent Systems

RSM Modeling and Optimization of CO2 Separation from High CO2 Feed Concentration over Functionalized Membrane

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Optimization of the gas separation performance of polyurethane–zeolite 3A and ZSM-5 mixed matrix membranes using response surface methodology

Cited by 24 publications

References 37 publications

Fabrication of Pebax/SAPO mixed matrix membranes for CO2/N2 separation

Fabrication of Pebax/SAPO mixed matrix membranes for CO2/N2 separation

Identification of the Interfacial Surface in Separation of Two-Phase Multicomponent Systems

RSM Modeling and Optimization of CO2 Separation from High CO2 Feed Concentration over Functionalized Membrane

Contact Info

Product

Resources

About

Fabrication of Pebax/SAPO mixed matrix membranes for CO₂/N₂ separation

Fabrication of Pebax/SAPO mixed matrix membranes for CO₂/N₂ separation