Iron / manganese removal
Demanganisation system GENO-mat MN-Z
Order no. 095 153 048-inter Edited by: nkes-mrie G:\BA-153048-INTER_095_GENO-MAT_MN-Z.DOCX
25
Stipulations:
Iron content:
mg/l
Manganese content:
mg/l
Determination of the iron/manganese equivalent.
Specific iron/manganese equivalent value (SEV):
Fe - Mn
e
quivalent
mg
l
=
iron content
mg
l
+ 2x manganese content
mg
l
(With deferrisaton system installed upstream, the iron content must
not be taken into account)
Example
Iron content: 1.0 mg/l
Manganese content:
0.25 mg/l
Fe
-
Mn
e
quivalent 1,0
mg
l
+
2x manganese content0,25
mg
l
=
1,5
mg
l
Table E-2: GENODOS pump setting
Dosing system GENODOS DM-oxi 1"
GP-2/40 with WM 0.33 l/Imp.
Dosing system GENODOS DM-oxi 1½"
GP-6/40 with WM 0.25 l/Imp.
Fe/Mn
equivalent
Dosing
volume
2)
[ml/m³]
Pump
factor
1)
Pulse
division
position
1)
Fe/Mn
equivale
nt
Dosing volume
2)
[ml/m³]
Pump
factor
1)
Pulse division
position
1)
< 0.5
< 19
0.02
9
< 0.5
< 19
0.02
9
> 0.5
> 20
0.025
8
> 0.5
> 20
0.025
8
> 0.6
> 29
0.033
7
> 0.7
> 29
0.033
7
> 0.7
> 34
0.05
6
> 0.9
> 34
0.05
6
> 1.1
> 53
0.066
5
> 1.3
> 53
0.066
5
> 1.4
> 67
0.1
4
> 1.7
> 67
0.1
4
> 2.1
> 101
0.125
3
> 2.5
> 101
0.125
3
> 2.7
> 129
0.2
2
> 3.2
> 129
0.2
2
> 4.2
> 201
0.33
1
1)
The description of the operation/setting of the GENODOS pump can be found
in operation manual 118 940 (included with the GENODOSDM-oxi dosing
system)!
2)
Corresponding to a 2% potassium permanganate solution.
Note:
The calculated pump settings are guide values only and must
be optimised on site. We work on the basis that the raw water is al-
ways free of ammonia and hydrogen sulphides!
