What is it about?
In this work, we investigate the bioremediation of chromate conversion coating waste using iron reducing bacteria.
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Why is it important?
While it is known that iron reducing bacteria can also reduce Cr(VI) to Cr(III) insoluble compounds, it was unclear whether constituents present in industrial chromate conversion coating chemistries could interfere with microbial activity. Our results show that s oneidensis MR-1 could be used to remediate chromate conversion coating waste efficiently.
Perspectives
I think this article represents a step forward in the development of bioremediation techniques for the inexpensive treatment of chromate waste. Our results show that s oneidensis MR-1 can reduce chromates to insoluble Cr3+, even in relatively concentrated conversion coating solutions.
Dr Mariano Iannuzzi
Norwegian University of Science and Technology
Read the Original
This page is a summary of: Microbial reduction of Cr(VI) in the presence of chromate conversion coating constituents, Bioremediation Journal, May 2016, Taylor & Francis,
DOI: 10.1080/10889868.2016.1149443.
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