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10 months ago

galvis

Water treatment

100 Filtration rate =

100 Filtration rate = 0.3 mh -1 100 Filtration rate = 0.45 mh -1 Cumulative frequency distribution (%) 80 60 40 20 0 1 5 10 100 1000 Turbidity (NTU) Raw Water Mean = 109 Median = 72 St Deviation = 104 Range (29 - 750) Cumulative frequency distribution (%) 80 60 40 20 0 1 5 10 100 1000 Turbidity (NTU) Raw Water Mean = 59 Median = 43 St Deviation = 53 Range (18 - 500) 100 Filtration rate = 0.6 mh -1 100 Filtration rate = 0.75 mh -1 Cumulative frequency distribution (%) 80 60 40 20 0 1 5 10 100 1000 Turbidity (NTU) Raw Water Mean = 51 Median = 34 St Deviation = 52 Range (17 - 500) Cumulative frequency distribution (%) 80 60 40 20 0 1 5 10 100 1000 Turbidity (NTU) Raw Water Mean = 52 Median = 34 St Deviation = 61 Range (12 - 900) Raw water Integrated water UGFS 1,2,3 UGFL MHGF 1,2,3 HGF DGFS 1,2,3 SSF 1 SSF 2 SSF 3 SSF 4 SSF 5 Figure 3.20. Cumulative (%) frequency distributions of turbidity levels in raw water, integrated water (after DyGF), and effluents of CGF alternatives (UGFS, UGFL, MHGF, HGF, DGFS) in series with their respective SSF units (1 through 5). 109 109