According to the "Asahi Shimbun," Japan reported on August 2, the Shibaura University of Technology Professor Shirayuki Yamashita and others have recently developed a technology that uses microorganisms to recover rare metals selenium contained in industrial wastewater. Because the collected selenium will be available as a resource, these technologies will be able to be commercialized.
It is reported that selenium is a rare metal contained in a small amount of copper ore, which can be used as a raw material for solar panels, and can also be used for the coloring and decoloring of glass. Once dissolved in water, it will be toxic, and excessive intake can cause symptoms such as neurological disorders.
According to reports, Prof. Yamashita et al. found microorganisms that can convert selenate and selenite into selenium in the sludge near the selenium-refining plant. If such microorganisms are cultivated in industrial wastewater, 78.8% of selenium can be recovered. (Internship compilation: Yang Jie reviewer: Wang Huan)
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