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三维荧光光谱结合荧光区域指数分析方法评估堆肥腐熟度

郭烽 张传存 姚杰 余光辉

郭烽, 张传存, 姚杰, 余光辉. 三维荧光光谱结合荧光区域指数分析方法评估堆肥腐熟度[J]. 环境科学研究, 2012, 25(12): 1410-1415.
引用本文: 郭烽, 张传存, 姚杰, 余光辉. 三维荧光光谱结合荧光区域指数分析方法评估堆肥腐熟度[J]. 环境科学研究, 2012, 25(12): 1410-1415.
GUO Feng, ZHANG Chuan-cun, YAO Jie, YU Guang-hui. Assessment of Compost Maturity by Fluorescence Excitation-Emission Matrix (EEM) Spectroscopy Combined with Fluorescence Regional Integration (FRI) Analysis[J]. Research of Environmental Sciences, 2012, 25(12): 1410-1415.
Citation: GUO Feng, ZHANG Chuan-cun, YAO Jie, YU Guang-hui. Assessment of Compost Maturity by Fluorescence Excitation-Emission Matrix (EEM) Spectroscopy Combined with Fluorescence Regional Integration (FRI) Analysis[J]. Research of Environmental Sciences, 2012, 25(12): 1410-1415.

三维荧光光谱结合荧光区域指数分析方法评估堆肥腐熟度

基金项目: 高等学校博士学科点专项科研基金项目(20100097120015);国家自然科学基金项目(21007027)

Assessment of Compost Maturity by Fluorescence Excitation-Emission Matrix (EEM) Spectroscopy Combined with Fluorescence Regional Integration (FRI) Analysis

  • 摘要: 评估堆肥腐熟度是确保堆肥产品质量的重要保证. 采用三维荧光光谱结合荧光区域指数分析方法快速评估菜粕和稻糠堆肥过程中的腐熟度. 结果表明:菜粕和稻糠堆肥可在16 d内完成一次发酵,其中第7~14天为高温期(>50 ℃,共8 d);随后,堆体进入降温期,第16天降至32 ℃. 堆肥初期(第0~6天)DOC(溶解性有机碳)、DON(溶解性有机氮)质量浓度和EC(电导率)先稳定在一个较低的水平;在堆肥高温期(第7~14天),ρ(DOC)、 ρ(DON)和EC则分别迅速升至10.47 mg/L、7.52 mg/L和5.76 mS/cm. 堆肥腐熟度相关指标〔即ρ(DOC)、 ρ(DON)和EC〕与FRI(荧光区域指数)方法中PⅢ,n、PⅤ,n、PⅤ,n/PⅢ,n指标的变化趋势一致,并且具有极显著相关性(R>0.942,P<0.01);而与PⅠ,n变化趋势相反,也具有显著的相关性(R<-0.871,P<0.05). 因此,PⅢ,n、PⅤ,n、PⅤ,n/PⅢ,n与PⅠ,n可以用于表征堆肥腐熟度.

     

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出版历程
  • 收稿日期:  2012-07-08
  • 修回日期:  2012-10-16
  • 刊出日期:  2012-12-25

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