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Nitrate uptake using mesoporous silica embedded with zero-valent palladium nanoparticles

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Open access
Authors
Tong, C.
Eroglu, E.
Duan, X.
Lamb, R.
Jarrett, K.
Buckley, Craig
Raston, C.
Date
2015
Type
Journal Article

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Tong, C. and Eroglu, E. and Duan, X. and Lamb, R. and Jarrett, K. and Buckley, C. and Raston, C. 2015. Nitrate uptake using mesoporous silica embedded with zero-valent palladium nanoparticles. RSC Advances. 5 (26): pp. 20557-20561.
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RSC Advances
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Department of Physics and Astronomy
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This open access article is distributed under the Creative Commons license http://creativecommons.org/licenses/by-nc/3.0/

This work is supported by the Australian Research Council, The Perth Mint, and the Government of South Australia

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Abstract

In situ reduction of palladium(II) acetylacetonate during the synthesis of SBA-15 mesoporous silica affords a material impregnated with palladium nanoparticles. The synthesis is at neutral pH and ambient conditions using a continuous flow vortex fluidic device with high shear dynamic thin films, followed by calcination. The SBA-15 is available with considerably reduced processing time relative to the conventional synthesis of mesoporous silica, with the material being effective for nitrate-nitrogen [NO3−-N] removal from aqueous solutions, at 41% within the first 16 hours, or around 36% for the same period after being recycled.