|
Decomposition behavior of the BioSurf product |
||||
|
Observation
|
DOC Content | DOC Content | DOC Reduction | DOC Elimination |
|
time
|
Product with
|
Product without
|
Re(1)
|
P %
|
|
|
activated sludge
|
activated sludge
|
of product
|
of product
|
|
days
|
mg / l
|
mg / l
|
mg / l
|
%
|
|
0
|
286.7 (2)
|
3.3 (3)
|
0
|
0
|
|
0.25 (6h)
|
251.6
|
3.2
|
35
|
12.35
|
|
0.5 (12h)
|
234.7
|
3.2
|
51.9
|
18.31
|
|
1
|
210.1
|
3
|
76.3
|
26.92
|
|
2
|
142.8
|
3
|
143.6
|
50.67
|
|
4
|
65.4
|
3.1
|
221.1
|
78.02
|
|
6
|
38.5
|
3
|
247.9
|
87.47
|
|
8
|
24.6
|
2.8
|
261.6
|
92.31
|
|
12
|
17.3
|
2.9
|
269
|
94.92
|
|
18
|
13.1
|
2.9
|
273.2
|
96.4
|
|
25
|
10.9
|
2.8
|
275.3
|
97.14
|
|
32
|
6.7
|
2.7
|
279.4
|
98.59
|
| (1) Computation base with gmo = 283,4 mg / l : Mi = gmo - gmi + gbi (mg / l) | ||||
| (2) Addition of 0.2 g of activated sludge calculated from drysubstance in a reaction mixture of : product / water ( 1 : 250 ) | ||||
| (3) Addition of 0.2 g of activated sludge calculated from dry substance in water | ||||
| DOC = Disolved Organic Carbons | ||||
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