You-gan XIAO, Hong-jing CHEN, Zhong-qing WEI, Shou-bin CHEN, Hai-dong SHANGGUAN, Hui LIN, Zhong-sheng LI, Ze-ying LIN, Gong-duan FAN. Three-Dimensional Fluorescence Characteristics Analysis of DOM in the Process of Treatment of Brackish Water by Ultrafiltration-Nanofiltration Double Membrane Process[J]. Spectroscopy and Spectral Analysis, 2021, 41(8): 2518
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 8, 2518 (2021)
Fig. 1. Flow chart of a double membrane process in a water plant
Fig. 2. Three-dimensional fluorescence spectrum of water samples in each process
(a): Raw water; (b): Sedimentation tank effluent; (c): Filter effluent; (d): UF effluent; (e): NF effluent; (f): NF concentrated effluent; (g): RO effluent
(a): Raw water; (b): Sedimentation tank effluent; (c): Filter effluent; (d): UF effluent; (e): NF effluent; (f): NF concentrated effluent; (g): RO effluent
Fig. 3. Two component EEMs and component loads of water DOM at different sampling points
Fig. 4. Trend of maximum fluorescence intensity at each sampling point
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Table 1. The major fluorophores in water
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