Supplementary Information s25
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Supplementary Information
Manuscript title: Development of a tri-parameter online monitoring system for UV disinfection reactors
Authors: Zhimin Qianga,, Mengkai Lia, James R. Boltonb a State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuang-qing Road, Beijing 100085, China b Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB, Canada T6G 2W2
Corresponding authors. Tel.: +86 10 62849632; fax: +86 10 62923541. E-mail address: [email protected] (Z. Qiang)
List of supplementary material:
Material Page
Table 1 Tap water quality parameters determined every five days during S2 the long-term simulation experiment.
Fig. S1 Schematic diagram of the experimental system. S3
Fig. S2 Variation of the lamp output attenuation and sleeve fouling S4 coefficients during the monitoring experiment for water transmittance.
Fig. S3 Variation of the room temperature during the monitoring S5 experiment for sleeve fouling.
Fig. S4 Variation of the lamp output attenuation coefficient and tap S6 water temperature during the long-term simulation experiment.
Fig. S5 Relative UV intensity monitored by detectors A, B and C as a S7 function of time during the long-term simulation experiment.
1 Table S1
Tap water quality parameters determined every five days during the long-term simulation experiment.
Parameters Day 3 Day 8 Day 13 Day 18 Day 23 Day 28
Ca2+ (mg/L) 60.9 60.3 60.1 61.4 60.8 60.7
Mg2+ (mg/L) 18.1 16.9 17.3 17.3 16.8 17.6
TOC (mg/L) 0.38 0.42 0.36 0.37 0.40 0.46
pH 7.56 7.50 7.91 7.93 7.98 8.01
2 Fig. S1. Schematic diagram of the experimental system.
3 Fig. S2. Variation of the lamp output attenuation and sleeve fouling coefficients during the monitoring experiment for water transmittance.
1.2
1.0
s 0.8 t
n N e
i F c
i 0.6
f f e o 0.4 C
0.2
0.0 0 10 20 30 40 50 60 70 80 90 Time (min)
4 Fig. S3. Variation of the room temperature during the monitoring experiment for sleeve fouling.
30
25 ) C
o 20 (
. p
m 15
e t
m 10 o o R 5
0 0 2 4 6 8 10 12 14 16 18 Time (day)
5 Fig. S4. Variation of the lamp output attenuation coefficient and tap water temperature during the long-term simulation experiment.
35 N 1.2 30
1.0 y t 25 i s n ) 0.8 e t C o
20 n i (
. V
p 0.6 U
15 m e e v T i
0.4 t
10 a
Water temp. l e
5 0.2 R
0 0.0 0 1 2 3 4 5 (Thu) (Fri) (Sat) (Sun) (Mon) (Tue) Time (day)
6 Fig. S5. Relative UV intensity monitored by detectors A, B and C as a function of time during the long-term simulation experiment.
1.2
1.0 y t i s
n 0.8 e t n i
V 0.6
U
e v i 0.4 t
a Detector A l
e Detector B R 0.2 Detector C
0.0 0 5 10 15 20 25 30 Time (day)
7