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    Home > Food News > Food Articles > The new material "captures" heavy metals in organic fertilizer.

    The new material "captures" heavy metals in organic fertilizer.

    • Last Update: 2020-09-17
    • Source: Internet
    • Author: User
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    Original title: New materials can "capture" heavy metals in organic fertilizer
    Reporters from the Hefei Institute of Material Sciences of the Chinese Academy of Sciences was informed that the Institute of Technology and Biology Wu Zhengyan researcher group, in the organic fertilizer heavy metals treatment has made important progress, the research results for reducing the harm of heavy metals in organic fertilizer to provide a new way of thinking, to promote the use of livestock manure fertilizer and sustainable development of the aquaculture industry is of great significance. The research paper was published in the Journal of Agricultural and Food Chemistry, the core journal of the American Chemical Society.
    Due to the widespread addition of heavy metals in feed, livestock droppings usually contain a certain amount of arsenic, copper and other heavy metal ions, resulting in the production of organic fertilizer heavy metals exceed the standard, after application will cause serious harm to the environment and human body. The existence of this problem has become a key bottleneck restricting the resource utilization of livestock manure and the sustainable development of aquaculture industry, and it is urgent to develop a method to repair heavy metal ions in organic fertilizer.
    Researchers use clay, biochar and other natural materials to prepare a functional nanocomposium material, this material has a large number of active groups, can efficiently grab arsenic, copper and other heavy metal ions in organic fertilizer, effectively inhibit its activity and toxicity, prevent its contact with crop roots, reduce the abunding amount in crops, improve food security. Because the material is friendly, simple process and low cost, it has high application value. "This result also provides original technical support to address the key issues that constrain the sustainable development of China's aquaculture and organic fertilizer industries." Wu Zhengyan said. (Wu Changfeng)
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