Cascade applications of robust MIL-96 metal organic frameworks in environmental remediation: Proof of concept

Document Type

Journal Article

Publication Title

Chemical Engineering Journal

Publisher

Elsevier BV

School

School of Engineering

RAS ID

28280

Comments

Azhar, M. R., Abid, H. R., Tade, M. O., Periasamy, V., Sun, H., & Wang, S. (2018). Cascade applications of robust MIL-96 metal organic frameworks in environmental remediation: Proof of concept. Chemical Engineering Journal, 341, 262-271.

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Abstract

In this paper, we demonstrate a cascade application of functional materials in adsorption and catalysis. Metal organic frameworks, MIL-96, were synthesized by a single solvent (water), and methanol (MIL-96-Me) or ethanol (MIL-96-Et) modulated method. Methanol modulation results in a change in porous structure and better CO2 adsorption and selectivity. After gas-phase adsorption of CO2, the MIL-96 can be reused for liquid-phase removal of water contaminants, demonstrating high capacities of para-hydroxybenzoic acid (p-HBA). Then, a transformation of the used MIL-96 by pyrolysis was employed to produce a metal oxide/C composite for catalytic activation of peroxymonosulfate (PMS) to degrade an organic pollutant, methyl orange. The composite exhibited excellent performance in the dye degradation. This study presents a proof of concept of integrated utilization of robust and functional nanomaterials for multiple applications without producing solid wastes after each use.

DOI

10.1016/j.cej.2018.02.030

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