Hong-ming LIU, Yu-juan LIU, Zhi-cheng ZHONG, Ying SONG, Zhe LI, Yang XU. Detection and Analysis of Water Content of Crude Oil by Near Infrared Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2021, 41(2): 505
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 2, 505 (2021)
Fig. 1. Experimental system design of near infrared spectroscopy for crude oil samples
Fig. 2. Spectrum of mercury lamp measured by experimental system
Fig. 3. Purified crude oil produced in Daqing Oilfield
Fig. 4. Sample average processing curve
(a): 10 spectral datas; (b): Average spectral data; (c): Average spectra of all samples
(a): 10 spectral datas; (b): Average spectral data; (c): Average spectra of all samples
Fig. 5. Spectral curves after moving average smoothing
Fig. 6. Spectral curves after S-G smoothing
Fig. 7. Algorithm prediction model fitting results
(a): PLS; (b): SVR
(a): PLS; (b): SVR
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Table 1. Parameters of halogen light source
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Table 2. Parameters of SW2520 spectrometer
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Table 3. Content of materials prepared from 39 component samples (crude oil/water)
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Table 4. Prediction data of PLS analysis prediction model
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