Waste carton "transformed" heavy metal repair agent
On April 17, the reporter learned from the Institute of Technical Biology and Agricultural Engineering of the Chinese Academy of Sciences. Recently, the research group of the researcher Wu Zhengyan made progress in the remediation of heavy metal pollution. He used a discarded carton to develop a nanocomposite material that efficiently removes heavy metals in water. Heavy metal pollution remediation and recycling of discarded cartons provide new ideas. Related results have been published by Langmuir, a journal of the American Chemical Society.
At present, heavy metal contamination of water occurs from time to time. Among them, hexavalent chromium is a common heavy metal ion, which poses a serious threat to human health. There is an urgent need for low-cost and highly efficient hexavalent chromium pollution remediation technology.
The research team used a waste paper box as a precursor to prepare micron carbon spheres, which can be used as a carrier to load zero-valent nano-iron, effectively improving its dispersibility. The composite material can effectively remove hexavalent chromium in water, control its migration, and inhibit its absorption by plants. The method has the advantages of simple process, low cost and high application value.
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