Adsorption of N,N-dimethylamine from aqueous solutions by a metal organic framework, MOF–235

Rodrigo Beltrán-Suito; Angela Pinedo-Flores; Fabiola Bravo-Hualpa; Jorge Ramos-Muñoz; María del Rosario Sun-Kou

doi:10.1080/01932691.2018.1489275

Adsorption of N,N-dimethylamine from aqueous solutions by a metal organic framework, MOF–235

Rodrigo Beltrán-Suito, Angela Pinedo-Flores, Fabiola Bravo-Hualpa, Jorge Ramos-Muñoz, María del Rosario Sun-Kou

Sección de Química

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

Water-resistant MOF-235 was used to adsorb N,N-dimethylamine (DMA) from aqueous solutions. It was synthesized from terephthalic acid and FeCl ₃ .6H ₂ O under air-free conditions and characterized by its crystalline structure, functional groups and temperature resistance. The kinetic data results were best adjusted to the pseudo-second order model (R ² >0.963). The best-fit isotherm, Langmuir model, suggested the adsorption of DMA is localized on homogenously distributed active sites on the surface. This fit was confirmed by the value of β = 1 on the Redlich-Peterson model. Our study suggests that the manipulation of novel materials such as MOF-235 promises new avenues for water treatment solutions. Schematic structure of MOF-235 and its application as adsorbent.

Original language	English
Pages (from-to)	901-908
Number of pages	8
Journal	Journal of Dispersion Science and Technology
Volume	40
Issue number	6
DOIs	https://doi.org/10.1080/01932691.2018.1489275
State	Published - 3 Jun 2019

Keywords

MOF
MOF-235
adsorption
dimethylamine
water treatment

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10.1080/01932691.2018.1489275

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title = "Adsorption of N,N-dimethylamine from aqueous solutions by a metal organic framework, MOF–235",

abstract = " Water-resistant MOF-235 was used to adsorb N,N-dimethylamine (DMA) from aqueous solutions. It was synthesized from terephthalic acid and FeCl 3 .6H 2 O under air-free conditions and characterized by its crystalline structure, functional groups and temperature resistance. The kinetic data results were best adjusted to the pseudo-second order model (R 2 >0.963). The best-fit isotherm, Langmuir model, suggested the adsorption of DMA is localized on homogenously distributed active sites on the surface. This fit was confirmed by the value of β = 1 on the Redlich-Peterson model. Our study suggests that the manipulation of novel materials such as MOF-235 promises new avenues for water treatment solutions. Schematic structure of MOF-235 and its application as adsorbent.",

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author = "Rodrigo Beltr{\'a}n-Suito and Angela Pinedo-Flores and Fabiola Bravo-Hualpa and Jorge Ramos-Mu{\~n}oz and Sun-Kou, {Mar{\'i}a del Rosario}",

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doi = "10.1080/01932691.2018.1489275",

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T1 - Adsorption of N,N-dimethylamine from aqueous solutions by a metal organic framework, MOF–235

AU - Beltrán-Suito, Rodrigo

AU - Pinedo-Flores, Angela

AU - Bravo-Hualpa, Fabiola

AU - Ramos-Muñoz, Jorge

AU - Sun-Kou, María del Rosario

PY - 2019/6/3

Y1 - 2019/6/3

N2 - Water-resistant MOF-235 was used to adsorb N,N-dimethylamine (DMA) from aqueous solutions. It was synthesized from terephthalic acid and FeCl 3 .6H 2 O under air-free conditions and characterized by its crystalline structure, functional groups and temperature resistance. The kinetic data results were best adjusted to the pseudo-second order model (R 2 >0.963). The best-fit isotherm, Langmuir model, suggested the adsorption of DMA is localized on homogenously distributed active sites on the surface. This fit was confirmed by the value of β = 1 on the Redlich-Peterson model. Our study suggests that the manipulation of novel materials such as MOF-235 promises new avenues for water treatment solutions. Schematic structure of MOF-235 and its application as adsorbent.

AB - Water-resistant MOF-235 was used to adsorb N,N-dimethylamine (DMA) from aqueous solutions. It was synthesized from terephthalic acid and FeCl 3 .6H 2 O under air-free conditions and characterized by its crystalline structure, functional groups and temperature resistance. The kinetic data results were best adjusted to the pseudo-second order model (R 2 >0.963). The best-fit isotherm, Langmuir model, suggested the adsorption of DMA is localized on homogenously distributed active sites on the surface. This fit was confirmed by the value of β = 1 on the Redlich-Peterson model. Our study suggests that the manipulation of novel materials such as MOF-235 promises new avenues for water treatment solutions. Schematic structure of MOF-235 and its application as adsorbent.

KW - MOF

KW - MOF-235

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KW - dimethylamine

KW - water treatment

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Adsorption of N,N-dimethylamine from aqueous solutions by a metal organic framework, MOF–235

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Keywords

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