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白腐菌处理铅污染废弃稻草的动态变化研究

王 丽 曾光明 黄丹莲 张 娱

王 丽, 曾光明, 黄丹莲, 张 娱. 白腐菌处理铅污染废弃稻草的动态变化研究[J]. 环境科学研究, 2006, 19(6): 90-93.
引用本文: 王 丽, 曾光明, 黄丹莲, 张 娱. 白腐菌处理铅污染废弃稻草的动态变化研究[J]. 环境科学研究, 2006, 19(6): 90-93.
WANG Li, ZENG Guang-ming, HUANG Dan-lian, ZHANG Yu. Study on the Dynamics of Pb Polluted Rice Straw Processing by White-Rot Fungi[J]. Research of Environmental Sciences, 2006, 19(6): 90-93.
Citation: WANG Li, ZENG Guang-ming, HUANG Dan-lian, ZHANG Yu. Study on the Dynamics of Pb Polluted Rice Straw Processing by White-Rot Fungi[J]. Research of Environmental Sciences, 2006, 19(6): 90-93.

白腐菌处理铅污染废弃稻草的动态变化研究

基金项目: 国家高技术研究发展计划(863)项目(2004AA649370);国家重点基础研究发展计划(973)项目(2005CB724203)

Study on the Dynamics of Pb Polluted Rice Straw Processing by White-Rot Fungi

  • 摘要: 通过研究铅污染废弃稻草基质,探讨了不同w(Pb2+)条件下白腐菌对半纤维素、纤维素和木质素的降解性能以及发酵基质总重、腐殖酸碳的变化规律,并在降解半纤维素、纤维素和木质素的同时,研究了白腐菌对发酵基质中重金属的钝化作用.结果表明:在w(Pb2+)为200 mg/kg条件下,白腐菌对半纤维素、纤维素和木质素等较难降解的有机物表现出最好的降解性能,且对Pb2+的钝化作用很明显,对半纤维素、纤维素和木质素的降解率分别为52.36%,32.29%和44.16%;发酵基质总失重率最高达29.89%;w(腐殖酸碳)达142.01 mg/g.

     

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  • 收稿日期:  2006-03-27
  • 刊出日期:  2006-12-25

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