By: Journey Cole
The amount of carbon black waste that comes from oil refineries is containing a high amount of vanadium that is being left over and being released into our environment. What if we could that left over vanadium and turn it into something useful instead of letting it be disposed into our environment? Zhan Guowu had the idea to turn the left over vanadium and the carbon black waste into vanadium-based metal organic frameworks (V-MOFs). In order to do this study the took the left over vanadium and carbon black waste from a refinery on Jurong Island in Singapore and leached it into two different V-MOFs. The two different V-MOFs had high levels of crystallinity and fabricated in high yields based off of the coordination modulation method. What is so unique about this study is that they didn't just use vanadium waste they also used carbon black waste. That is two different wastes from refineries that we can take and turn it into something useful instead of letting it be released in our environment.
The images above show the performance of the different V-MOFs as a function over time (Guowu et. al. 2018).
The results of this study show that there was high catalytic activities of the V-MOFs and they were able to turn benzyl alcohol into benzaldehyde. This was able to give and indication that a strong potential of waste from the V-MOFs can be derived in catalysis applications. Using this study will be able to enhance our environmental sustainability because instead of letting all this waste from the refineries get released back into our environment they have found a way to create something useful. This way is offering a green pathway for the preparation of the V-MOFs by using the waste of heavy metals that come from the refiners as the main source of metal. We are finding a new way of recycling instead of creating more pollution, more waste.
Reference:
Guowu, Zhan., Wel, N., Wenlin, Y., Shin, K., and Chi-Hwa, W. 2018. Effective Recovery of Vanadium from Oil Refinery Waste into Vanadium-Based Metal-Organic Frameworks. Environ. Sci. Technol. 52, 3008-3015.
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