NDLI: UV254 removal and effect factors from micro-polluted source water by biological sand filter

Content Provider	IEEE Xplore Digital Library
Author	Chengyuan Su Simin Li
Copyright Year	2011
Description	Author affiliation: School of Municiple and Environmental Engineering, Harbin Institute of Technology, China (Chengyuan Su)
Abstract	Based on operational characteristics of the biological sand filter, it was studied on UV254 removal effect in micro-polluted source water by biological sand filter, compared with the natural biofilm formation and inoculated biofilm formation methods through experiment. The influence factors such as temperature, filter velocity and height of filter layer were analyzed for removing UV254. Also the correlation of DOC and UV254 were studied. The results show that the biological sand filter can remove UV254 effectively in the micro-polluted source water, the removal rate of UV254 is 19.47% to 34.74%. The natural biofilm formation method has better UV254 removal than the inoculated biofilm formation method. The water temperature has conspicuous effect the removal UV254. The removal rates of UV254 is 12.45% to 31.96% separately in biological sand filter at 5–10 to 15–20 temperature; the relational expression is y=1.7558x+0.023, $R^{2}=0.7961.$ The removal rate can reach to total removal 85% in the 45cm height of filter layer. The best filter velocity is 3–4m/h, at this condition, the removal rate reaches 34.7%. The DOC and UV254 of saw water has better correlation, the relational expression is y=0.025x+0.053, $R^{2}=0.8838.$
Starting Page	1867
Ending Page	1870
File Size	305176
Page Count	4
File Format	PDF
ISBN	9781424491728
e-ISBN	9781424491711
DOI	10.1109/RSETE.2011.5964662
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Correlation UV254 Biofilm formation Micro-polluted source water Biological sand filter Educational institutions DOC Biology Water pollution Temperature control Helium Water resources
Content Type	Text
Resource Type	Article

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