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Adsorption of Crude Oil from Crude Oil-Water Emulsion by Mesoporous Hafnium Oxide Ceramics

Abstract

We report a mesoporous hafnium oxide (MHO) ceramic synthesized via a sol-gel process that has exhibited 99.9% removal capacity of crude oil from an oil-in-water emulsion at a concentration of 3 mg/mL. The as-prepared MHO ceramic was regenerated after crude oil sequestration via calcination at 800°C under ambient conditions. The scalability of the synthetic method and thermal stability of the MHO ceramic material makes it a promising, underexplored, and reusable adsorbent for efficient oil spill clean-up.

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Article information


Submitted
08 May 2020
Accepted
25 Jun 2020
First published
26 Jun 2020

Environ. Sci.: Water Res. Technol., 2020, Accepted Manuscript
Article type
Communication

Adsorption of Crude Oil from Crude Oil-Water Emulsion by Mesoporous Hafnium Oxide Ceramics

F. Hussain, J. Zamora, I. Ferrer, M. Kinyua and J. M. Velazquez, Environ. Sci.: Water Res. Technol., 2020, Accepted Manuscript , DOI: 10.1039/D0EW00451K

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