Issue 8, 2020

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−1. 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.

Graphical abstract: Adsorption of crude oil from crude oil–water emulsion by mesoporous hafnium oxide ceramics

Supplementary files

Article information

Article type
Communication
Submitted
08 Cax 2020
Accepted
25 Qas 2020
First published
26 Qas 2020

Environ. Sci.: Water Res. Technol., 2020,6, 2035-2042

Author version available

Adsorption of crude oil from crude oil–water emulsion by mesoporous hafnium oxide ceramics

F. A. Hussain, J. Zamora, I. M. Ferrer, M. Kinyua and J. M. Velázquez, Environ. Sci.: Water Res. Technol., 2020, 6, 2035 DOI: 10.1039/D0EW00451K

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