• Spectroscopy and Spectral Analysis
  • Vol. 41, Issue 9, 2839 (2021)
Yuan DAI1、1;, Ji-zheng XIE1、1;, Jing YUAN1、1;, Wei SHEN1、1;, Hong-da GUO1、1;, Xiao-ping SUN1、1;, and Zhi-gang WANG2、2; *;
Author Affiliations
  • 11. Jiangsu Province Yangzhou Environmental Monitoring Center, Yangzhou 225100, China
  • 22. College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225009, China
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    DOI: 10.3964/j.issn.1000-0593(2021)09-2839-07 Cite this Article
    Yuan DAI, Ji-zheng XIE, Jing YUAN, Wei SHEN, Hong-da GUO, Xiao-ping SUN, Zhi-gang WANG. Application of Excitation-Emission Matrix (EEM) Fluorescence Combined With Linear SVM in Organic Pollution Monitoring of Water[J]. Spectroscopy and Spectral Analysis, 2021, 41(9): 2839 Copy Citation Text show less
    Distribution of water quality monitoring sections
    Fig. 1. Distribution of water quality monitoring sections
    Weight distribution of water quality prediction model
    Fig. 2. Weight distribution of water quality prediction model
    Correlation between predicted value and chemical analysis results
    Fig. 3. Correlation between predicted value and chemical analysis results
    Water quality classification results
    Fig. 4. Water quality classification results
    水质指标仪器(型号)分析方法
    CODCr-HJ 828—2017《水质 化学需氧量的测定 重铬酸盐法》
    CODMn-GB 11892—89《水质 高锰酸盐指数的测定》
    NH3-N分光光度计(HACHDR6000)HJ 535—2009《水质 氨氮的测定 纳氏试剂分光光度法》
    TP流动分析仪(SkalarSan++)HJ 670—2013《水质 磷酸盐和总磷的测定 连续流动-钼酸铵分光光度法》
    TN流动分析仪(SkalarSan++)HJ 636—2012《水质 总氮的测定 碱性过硫酸钾消解紫外分光光度法》
    BOD5溶氧仪(YSI5000)HJ 505—2009《水质 五日生化需氧量(BOD5)的测定 稀释与接种法》
    pH便携式pH计YSI pH100AGB 6920—86《水质 pH值的测定 玻璃电极法》
    DO/T便携式溶氧仪YSIPRO20HJ 506—2009《水质 溶解氧的测定 电化学探头法》
    Table 1. Instruments and analysis methods
    水质指标最大值/
    (mg·L-1)
    最小值/
    (mg·L-1)
    平均值/
    (mg·L-1)
    样本数
    CODCr255422.31 266
    CODMn35.91.86.41 354
    NH3-N69.20.043.471 266
    TP6.640.010.391 266
    TN84.20.044.79819
    BOD51220.116.41579
    Table 2. Results of chemical analysis
    水质指标Ⅲ类Ⅳ类Ⅴ类轻度黑臭重度黑臭
    CODCr203040--
    CODMn6.01015--
    NH3-N1.01.52.08.015
    TP0.20.30.4--
    TN1.01.52.0--
    DO5.03.03.02.00.2
    BOD54.06.010--
    Table 3. Water quality classification standard limits (mg·L-1)
    等级方法1方法2方法3方法4
    1非黑臭优于Ⅴ类优于Ⅳ类优于Ⅲ类
    2轻度黑臭劣Ⅴ类Ⅴ类Ⅳ类
    3重度黑臭轻度黑臭劣Ⅴ类Ⅴ类
    4-重度黑臭轻度黑臭劣Ⅴ类
    5--重度黑臭轻度黑臭
    6---重度黑臭
    Table 4. Four water quality classification methods
    荧光区域成分荧光峰Ex/Em/nm参考文献
    A类腐殖酸(humic acid-like)365/470[12]
    B微生物副产物(microbial byproduct-like)290~320/380~420[10]
    C类富里酸(fulvic-like)230~260/400~480[8]
    D游离态类色氨酸(free tryptophan-like)275~285/320~350[13]
    E游离态类酪氨酸(free tyrosine-like)270/308[14]
    F类酪氨酸(tyrosine-like)220~237/280~300[8]
    G类色氨酸(tryptophan-like)215~237/340~381[8]
    Table 5. Fluorescence regions and components
    水质指标训练集测试集
    Rc2RMSEC/
    (mg·L-1)
    Rp2RMSEP/
    (mg·L-1)
    CODCr0.818.530.808.83
    CODMn0.871.230.841.65
    NH3-N0.882.000.822.63
    TP0.800.250.730.25
    TN0.843.190.783.29
    BOD50.913.000.873.19
    Table 6. Prediction results of models
    Yuan DAI, Ji-zheng XIE, Jing YUAN, Wei SHEN, Hong-da GUO, Xiao-ping SUN, Zhi-gang WANG. Application of Excitation-Emission Matrix (EEM) Fluorescence Combined With Linear SVM in Organic Pollution Monitoring of Water[J]. Spectroscopy and Spectral Analysis, 2021, 41(9): 2839
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