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Method of producing heavy metal cadmium-reducing agent which utilizes activity of sulfate reducing bacteria in paddy soil and method of use thereof
Method of producing heavy metal cadmium-reducing agent which utilizes activity of sulfate reducing bacteria in paddy soil and method of use thereof
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机译:利用稻田土壤中的硫酸盐还原菌活性生产重金属镉还原剂的方法及其使用方法
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摘要
A heavy metal cadmium deactivator for activating the activity of sulfur-reducing bacteria in rice field soil, and an application thereof. The deactivator is constituted by electron shuttles alone or electron shuttles and electron donors, but cannot be constituted by electron donors alone. The mass ratio of the electron donors to the electron shuttles is (1:3)-(1:8). Also, a heavy metal cadmium deactivating method for activating the activity of microorganisms in rice field soil, such as sulfur-reducing bacteria. By applying the functional deactivator to rice field soil, the activity of microorganisms, such as sulfur-reducing bacteria, can be activated, thereby accelerating the reduction process of sulfur and iron in soil to facilitate the fixation of cadmium; cadmium adsorption and accumulation in rice is reduced to achieve secure production in fields moderately or lightly polluted by cadmium.
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