Preparation of porous PVDF/montmorillonite hollow fiber mixed matrix membrane contactor via phase inversion method to capture CO in membrane contactor

2016 ◽  
pp. 267-272
Keyword(s):  
Hollow Fiber ◽  
Phase Inversion ◽  
Mixed Matrix Membrane ◽  
Inversion Method ◽  
Membrane Contactor ◽  
Mixed Matrix ◽  
Phase Inversion Method

Carbon dioxide stripping through water by porous PVDF/montmorillonite hollow fiber mixed matrix membranes in a membrane contactor

RSC Advances ◽  
2015 ◽  
Vol 5 (28) ◽  
pp. 21916-21924 ◽  
Author(s):  
M. Rezaei DashtArzhandi ◽  
A. F. Ismail ◽  
T. Matsuura
Keyword(s):  
Hollow Fiber ◽  
Phase Inversion ◽  
Elevated Temperatures ◽  
Mixed Matrix Membranes ◽  
Inversion Method ◽  
Membrane Contactor ◽  
Mixed Matrix ◽  
Wet Phase Inversion ◽  
Phase Inversion Method ◽  
Matrix Membranes

Hydrophobic montmorillonite-filled polyvinylideneflouride hollow fiber mixed matrix membranes were fabricated via wet phase inversion method to meet the requirements of stripping process through membrane contactor at elevated temperatures.

Effects of Montmorillonite (MMT) Inorganic Fillers on Polyvinylidene (PVDF) Mixed Matrix Membrane

2014 ◽  
Vol 625 ◽  
pp. 696-700 ◽  
Author(s):  
Oh Pei Ching ◽  
Mason Wong Bak Lung
Keyword(s):  
Phase Inversion ◽  
Mixed Matrix Membranes ◽  
Mixed Matrix Membrane ◽  
Inversion Method ◽  
Mixed Matrix ◽  
Pvdf Membrane ◽  
Dimethyl Acetamide ◽  
Wet Phase Inversion ◽  
Phase Inversion Method ◽  
Separation Performances

Asymmetric nanoclay-polyvinylidene (PVDF) mixed matrix membranes (MMMs) were prepared by the reaction of various amount of montmorillonite (MMT) nanoclay mineral with PVDF. The MMMs were fabricated via dry-wet phase inversion method withN,N-dimethyl-acetamide (DMAc) as the solvent and ethanol as the coagulant. The fabricated MMMs were characterized by means of fourier-transform infrared (FTIR) and scanning electron microscopy (SEM). The separation performances of the prepared membranes were evaluated by pure gases (CO2and CH4). From the FTIR spectrum, MMMs exhibited new peaks compared to pristine PVDF membrane, indicating assimilation of MMT into the PVDF membrane. The morphology of the membranes depends on the clay mineral loading as confirmed by SEM. PVDF/3wt% MMT MMM showed the highest CO2permeance and CO2/CH4selectivity relative to neat PVDF membrane.

Synthesis and Characterization of Polysulfone/Montmorillonite (PSF/MMT) Mixed Matrix Membrane for Gas Separation

2014 ◽  
Vol 925 ◽  
pp. 18-22 ◽  
Author(s):  
P.C. Oh ◽  
N.A. Mansur
Keyword(s):  
Phase Inversion ◽  
Deionized Water ◽  
Mixed Matrix Membranes ◽  
Mixed Matrix Membrane ◽  
Inversion Method ◽  
Mixed Matrix ◽  
Flat Sheet ◽  
Wet Phase Inversion ◽  
Phase Inversion Method

In this paper, flat sheet polysulfone (PSF) membrane and polysulfone/montmorillonite (PSF/MMT) mixed matrix membranes with different MMT contents were prepared by dry-wet phase inversion method.N-methyl-2-pyrrolidone (NMP) and deionized water were used as a solvent and coagulant, respectively. The morphology and structure of membranes were analyzed by scanning electron microscope. Thermogravimetric analysis was also performed to examine the thermal decomposition of the synthesized membrane. Results showed that MMT had a good dispersion in the PSF matrix.

scholarly journals P84/Zeolite-Carbon Composite Mixed Matrix Membrane for CO2/CH4 Separation

2019 ◽  
Vol 19 (3) ◽  
pp. 650 ◽  
Author(s):  
Triyanda Gunawan ◽  
Retno Puji Rahayu ◽  
Rika Wijiyanti ◽  
Wan Norharyati Wan Salleh ◽  
Nurul Widiastuti
Keyword(s):  
Carbon Composite ◽  
Gas Permeation ◽  
Mixed Matrix Membranes ◽  
Mixed Matrix Membrane ◽  
Inversion Method ◽  
Mixed Matrix ◽  
Force Microscopy ◽  
Membrane Performance ◽  
Polyimide Membrane ◽  
Phase Inversion Method

Mixed Matrix Membranes (MMMs) which consist of 0.3 wt.% Zeolite-Carbon Composite (ZCC) dispersed in BTDA-TDI/MDI (P84 co-polyimide) have been prepared through phase inversion method by using N-methyl-2-pyrrolidone (NMP) as a solvent. Membranes were characterized by X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Atomic Force Microscopy (AFM), Thermogravimetric Analysis (TGA), and Fourier Transform Infrared (FTIR). Membrane performance was measured by a single gas permeation of CO2 and CH4. The maximum permeability of CO2 and CH4, which up to 12.67 and 6.03 Barrer, respectively. P84/ZCC mixed matrix membrane also showed a great enhancement in ideal selectivity of CO2/CH4 2.10 compared to the pure P84 co-polyimide membrane.

Preparation and Characterization of Polysulfone Mixed Matrix Membrane Incorporated with Thermodynamically Stable Nano-Palladium for Hydrogen Separation

2013 ◽  
Vol 832 ◽  
pp. 143-148
Author(s):  
Hani Shazwani Mohd Suhaimi ◽  
Leo Choe Peng ◽  
Ahmad Abdul Latif
Keyword(s):  
Gas Separation ◽  
Pd Nanoparticles ◽  
Hydrogen Separation ◽  
Good Effect ◽  
Mixed Matrix Membrane ◽  
Inversion Method ◽  
Asymmetric Structure ◽  
Separation Performance ◽  
Mixed Matrix ◽  
Phase Inversion Method

Palladium (Pd) nanoparticles offer excellent hydrogen affinity in mixed matrix membrane for gas separation. In order to avoid aggregation, Pd nanoparticles have to be stabilized before blending into polymer matrix. Pd nanoparticles can be thermodynamically stabilized and dispersed using electrostatic and/ or steric forces of a stabilizer which is typically introduced during the formation of Pd nanoparticles in the inversed microemulsion. Polyvinylpyrrolidone, polyethylene glycol (PEG) and sodium hydroxide in ethylene glycol exhibited good effect on particles passivation. However, the effects of these stabilizers on membrane morphology and separation performance were unknown. The aim of this work is to incorporate polymer-stabilized Pd nanoparticles into Polysulfone (PSf) membranes for hydrogen separation. The microstructure of Pd nanoparticles was first analyzed by TEM. Phase inversion method was then adopted for the preparation of asymmetric PSf/nanoPd MMMs. The separation performance of MMMs was investigated by using nitrogen and hydrogen as test gases and the membrane characteristics were further studied using SEM and FTIR. The highest permeability for H2 was 255.82 GPU with selectivity of 6.89. The results suggested that PEG provides good contact between nanoparticles and the polymer. TEM and FTIR results revealed that these stabilizers have significant effects on the synthesized Pd nanoparticles size. Also, SEM results showed that the MMMs incorporated with thermodynamically nanoPd in PEG achieved satisfactory asymmetric structure which explains the good performance in gas separation.

Polyvinylidene fluoride hollow fiber mixed matrix membrane contactor incorporating modified ZSM-5 zeolite for carbon dioxide absorption

RSC Advances ◽  
2016 ◽  
Vol 6 (82) ◽  
pp. 78865-78874 ◽  
Author(s):  
Afsaneh Shirzadeh-Gharacheh ◽  
Masoud Rahbari-Sisakht
Keyword(s):  
Carbon Dioxide ◽  
Hollow Fiber ◽  
Polyvinylidene Fluoride ◽  
Mixed Matrix Membrane ◽  
Membrane Contactor ◽  
Mixed Matrix ◽  
Carbon Dioxide Absorption

PVDF/ ZSM-5 hollow fiber mixed matrix membrane.

A straight, open and macro-porous fuel electrode-supported protonic ceramic electrochemical cell

2021 ◽  
Author(s):  
Yuxin Pan ◽  
Kai Pei ◽  
Yucun Zhou ◽  
Tong Liu ◽  
Meilin Liu ◽  
...  
Keyword(s):  
Phase Inversion ◽  
Electrochemical Cell ◽  
Inversion Method ◽  
Phase Inversion Method

A straight, open and macro-porous Ni–BaZr0.1Ce0.7Y0.1Yb0.1O3 fuel electrode-supported protonic ceramic electrochemical cell has been fabricated by a modified phase-inversion method.

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