Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 10, Issue 50, Pages 43323-43326Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.8b18299
Keywords
catalytic ozonation; advanced water treatment; copper nanocatalysts; atomic layer deposition; X-ray absorption spectroscopy
Funding
- NSF [CBET-1511820, CBET-1606117]
- DOE Office of Science [DE-AC02-06CH11357]
- Department of Energy
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Atomic layer deposition (ALD) of alumina overcoating can significantly enhance the stability of copper oxide-based catalysts for catalytic ozonation of organic compounds in advanced water/wastewater treatment. The catalyst leaching was reduced by about 90% while high (up to 98%) activity was demonstrated in terms of total organic carbon (TOC) removal. Synchrotron X-ray absorption spectroscopy results indicated that the Al2O3 protecting layer passivated the under-coordinated copper sites, which were likely to be responsible for leaching.
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