analysis of a pilot-scale anaerobic baffled reactor treating domestic ...

Ranked COD values [mgCOD/ℓ]
Ranked Ammonia values [mgN/ℓ]
Ranked Total solids values [mgTS/ℓ]
1600
1200
800
400
40
35
30
25
20
15
10
5
0
0
1600
1400
1200
1000
800
600
5%
25% 50% 75%
95%
0 400 800 1200 1600
Values of normal distribution
(Inverse normal probability)
5%
(a) (b)
0 10 20 30 40
Values of normal distribution
(Inverse normal probability)
5%
25% 50% 75%
(c) (d)
25% 50% 75%
95%
95%
600 800 1000 1200 1400 1600
Values of normal distribution
(Inverse normal probability)
(e) (f)
Figure A3. 1: Rank probit plots showing concentrations of determinands in inflow stream
during Phase I at Umbilo WWTP (a) COD; (b) alkalinity; (c) free and saline
ammonia; (d) total phosphate; (e) total solids; and (f) pH values.
2.2 Pathogen indicator organisms
On 23 April 2001, samples of influent and effluent were tested for total Ascaris spp., viable Ascaris
spp., E. Coli and Total Coliforms. On 3 July 2001, samples of influent and effluent, and samples from
Ranked Alkalinity values [mgCaCO 3/ℓ]
Ranked phosphate values [mgP/ℓ]
Ranked pH values
196
400
300
200
100
14
12
10
8
6
4
2
0
0
8
7.8
7.6
7.4
7.2
7
6.8
6.6
6.4
6.2
6
5% 25% 50% 75% 95%
0 100 200 300 400
Values of normal distribution
(Inverse normal probability)
5% 25% 50% 75%
95%
0 5 10 15
Values of normal distribution
(Inverse normal probability)
5% 25% 50% 75%
95%
6 6.5 7 7.5 8
Values of normal distribution
(Inverse normal probability)