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Mansoor Anbia,Vahid Hoseini,Sara Sheykhi 한국공업화학회 2012 Journal of Industrial and Engineering Chemistry Vol.18 No.3
Iron terephthalate, MOF-235, metal-organic framework synthesized hydrothermally and was used for gas adsorption. Resulting sample was characterized by X-ray diffraction (XRD), Brunauer–Emmet–Teller (BET) and FT-IR analysis. Adsorption properties of CH4, H2 and CO2 on MOF-235 were investigated by volumetric measurements. The absolute adsorption capacity was found in the order of CH4 >> H2 > CO2. The high CH4 adsorption capacity of MOF-235 was attributed to the high pore volume and large number of open metal sites. The high selectivity for CH4 over CO2 (14.7) and H2 (8.3), suggests that MOF-235 is a potential adsorbent for the separation of CH4 from gas mixtures.
Mansoor Anbia,Sara Sheykhi 한국공업화학회 2013 Journal of Industrial and Engineering Chemistry Vol.19 No.5
Multi-walled carbon nanotubes (MWCNTs) incorporated MIL-53-Cu composite MOF material (MWCNT@MIL-53-Cu) has been synthesized by adding purified multi-walled carbon nanotube (MWCNT) in situ during the synthesis of MIL-53-Cu. Resulting sample was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Brunauer–Emmet–Teller (BET), and FT-IR analysis. Methane sorption capacities of MIL-53-Cu were observed to increase from 8.52 to 13.72 mmol g-1 at 298 K and 35 bar. The increment in the methane uptake capacities of composite MOF materials was attributed to the decrease in the pore size and enhancement of micropore volume of MIL-53-Cu by multi-walled carbon nanotube incorporation.
Synthesis and characterization of nanocomposite MCM-48-PEHA-DEA and its application as CO2 adsorbent
Mansoor Anbia,Vahid Hoseini,Sakineh Mandegarzad 한국화학공학회 2012 Korean Journal of Chemical Engineering Vol.29 No.12
Three nanocomposites containing MCM-48-35PEHA-15DEA (35 and 15 as weight percent of amine addition),MCM-48-30PEHA-20DEA and MCM-48-25PEHA-25DEA of mesoporous silica MCM-48 modified by the mixture of pentaethylenehexamine (PEHA) and diethanolamine (DEA) have been synthesized and used to study the adsorption of carbon dioxide (CO2). They are characterized by low angle x-ray diffraction (XRD), Fourier transform infrared (FT-IR) and Brunauer-Emmet-Teller (BET) analysis. MCM-48-35PEHA-15DEA (as optimized adsorbent)shows CO2 adsorption capacity of 0.51 (m·mol CO2/g-adsorbent) at 1 bar and 298 K, much higher than CO2 adsorption capacity on polyethyleneimine, pyrrolidinepropyl and polymerized aminopropyl loaded MCM-48.
Mansoor Anbia,Seyyed Ershad Moradi 한국화학공학회 2012 Korean Journal of Chemical Engineering Vol.29 No.6
Chemically modified mesoporous carbon (CMMC) and chemically modified activated carbon (CMAC)were prepared by an acid surface modification method from mesoporous carbon (MC) and commercial activated carbon (AC) by wet impregnation method. The structural order and textural properties of the nanoporous materials were studied by XRD and nitrogen adsorption. The presence of carboxylic functional groups on the carbon surface was confirmed by FTIR analyses. Adsorption of 1-naphthol over various porous adsorbents such as CMMC, CMAC, MC and AC was studied. The adsorption isotherms of 1-naphthol were in agreement with a Langmuir model; moreover, the uptake capacity of 1-naphthol followed the order: CMMC>MC>CMAC>AC.