Acta Optica Sinica, Volume. 41, Issue 22, 2230001(2021)

Multi-scene Optimization Method of Water COD Measurement Based on Direct Spectroscopy

Enhua Liu, Decao Wu*, Jie Wang, Wanyao Tan, Junhao Pu, Binbin Luo**, Bin Tang, Zourong Long, and Mingfu Zhao
Author Affiliations
  • Chongqing Key Laboratory of Optical Fiber Sensor and Photoelectric Detection, Chongqing University of Technology, Chongqing 400054, China
  • show less
    References(16)

    [1] Kolb M, Bahadir M, Teichgräber B. Determination of chemical oxygen demand (COD) using an alternative wet chemical method free of mercury and dichromate[J]. Water Research, 122, 645-654(2017).

    [2] Hou D B, Zhang J, Chen L et al. Water quality analysis by UV-vis spectroscopy: a review of methodology and application[J]. Spectroscopy and Spectral Analysis, 33, 1839-1844(2013).

    [3] Li J W, Tong Y F, Guan L et al. Optimization of COD determination by UV-vis spectroscopy using PLS chemometrics algorithms[J]. Optik, 174, 591-599(2018).

    [4] Hamzaoui Y E, Hernández J A, Silva-Martínez S et al. Optimal performance of COD removal during aqueous treatment of alazine and gesaprim commercial herbicides by direct and inverse neural network[J]. Desalination, 277, 325-337(2011).

    [5] Leong W C, Bahadori A, Zhang J et al. Prediction of water quality index (WQI) using support vector machine (SVM) and least square-support vector machine (LS-SVM)[J]. International Journal of River Basin Management, 19, 149-156(2021).

    [6] Liu Y F, Su R G, Zhou Q Q et al. Rapid modeling offshore eutrophication technique using optical parameters of CDOM[J]. Chinese Journal of Lasers, 41, 1215001(2014).

    [7] Chen H R, Zhang J W, Wang S Q et al. Study on diurnal variation of turbidity in the Yangtze estuary and adjacent areas by remote sensing[J]. Acta Optica Sinica, 40, 0501003(2020).

    [8] Wu D C, Wei B, Tang G et al. Turbidity disturbance compensation for UV-VIS spectrum of waterbody based on Mie scattering[J]. Acta Optica Sinica, 37, 0230007(2017).

    [9] Tang B, Wei B, Wu D C et al. Experimental research of turbidity influence on water quality monitoring of COD in UV-visible spectroscopy[J]. Spectroscopy and Spectral Analysis, 34, 3020-3024(2014).

    [10] Hu Y T, Wen Y Z, Wang X P. Novel method of turbidity compensation for chemical oxygen demand measurements by using UV-vis spectrometry[J]. Sensors and Actuators B, 227, 393-398(2016).

    [11] Cai X S, Su M X, Shen J Q[M]. Particle size measurement technique and its application, 28-49(2010).

    [12] Langergraber G, Fleischmann N, Hofstädter F. A multivariate calibration procedure for UV/VIS spectrometric quantification of organic matter and nitrate in wastewater[J]. Water Science and Technology, 47, 63-71(2003).

    [13] Varmuza K, Karlovits M, Demuth W. Spectral similarity versus structural similarity: infrared spectroscopy[J]. Analytica Chimica Acta, 490, 313-324(2003).

    [14] Liu L X, He D, Li M Z et al. Identification of Xinjiang jujube varieties based on hyperspectral technique and machine learning[J]. Chinese Journal of Lasers, 47, 1111002(2020).

    [15] Wang G F, Zhang Y X, Xu W L et al. Estimation of phytoplankton pigment concentration in the South China sea from hyperspectral absorption data[J]. Acta Optica Sinica, 41, 0601002(2021).

    [16] Liu L Y, Chang T Y, Li K et al. Spectral analysis and quantitative detection of baicalin based on terahertz radiation[J]. Chinese Journal of Lasers, 47, 0314001(2020).

    Tools

    Get Citation

    Copy Citation Text

    Enhua Liu, Decao Wu, Jie Wang, Wanyao Tan, Junhao Pu, Binbin Luo, Bin Tang, Zourong Long, Mingfu Zhao. Multi-scene Optimization Method of Water COD Measurement Based on Direct Spectroscopy[J]. Acta Optica Sinica, 2021, 41(22): 2230001

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Spectroscopy

    Received: Apr. 19, 2021

    Accepted: Jun. 1, 2021

    Published Online: Oct. 29, 2021

    The Author Email: Wu Decao (wudecao@163.com), Luo Binbin (luobinbin@cqut.edu.cn)

    DOI:10.3788/AOS202141.2230001

    Topics