NIRE-170-1-6
10
3.
Specifications and Performance of “NHP210 Series” Module
Table III-3 shows the specifications of
“NHP210 Series” cassette and module.
Table III-3 Specifications of Cassette and Module
Model name
ECS035
(Cassette)
NHP210-300S
(Standard module)
NHP210-600D
(Double-decker)
Number of membrane elements
50
300
600
Cassette structure
-
3 cassettes x 2 decks
3 cassettes x 4 decks
Overall
dimensions (mm)
Width
485
(excluding nozzle&hose)
770
770
Length
440
1,635
1,635
Height
820
2,175
3,845
Dimensions
excluding filtrate header
pipes and air diffuser
pipe
(mm)
Width
-
565
565
Length
-
1,460
1,460
Height
-
2,090
3,760
Weight
(kg)
Module (dry)
N/A
235
430
Aeration block (dry)
N/A
40
40
Cassette/Element block
(dry)
17
195
390
Cassette/Element block
(sludge clogging)
*1
145
970
1,940
Material
Frame
-
304SS (316LSS is available as option)
Filtrate water manifold
Polypropylene
Air diffuser,
-
Polypropylene (SS is available as option)
Connection
Manifold
ANSI 1 1/2 inch flange using M12 bolts/nuts
One flange per each deck (300S: 2 pcs per module, 600D: 4 pcs per module)
Air diffuser
-
ANSI 1 1/2 inch flange
Using M12 bolts/nuts
Two flanges per Aeration block
Operating range
*3
Temperature
5-40 degree C
pH
*2
of liquid
5-10
MLSS
Not higher than 18,000 mg/L
Trans-membrane
pressure
Not higher than 20 kPa (200 mbar)
Cleaning chemicals feed
pressure
Not higher than 10 kPa (100 mbar)
Cleaning chemicals and
chemicals concentration
Sodium hypochlorite (effective chlorine concentration)
：
2,000-6,000 mg/L(10<pH<12)
Oxalic acid
：
0.5-1.0wt%
Citric acid
：
1.0-3.0wt%
Scouring Air Flow rate
(NL/min/Module)
*4
-
*5
1,000 - 2,000
1,300 - 2,000
Scouring Air Flow rate
(Cubic feet/min/Module)
*4
-
*5
35 - 71
46 - 71
*1 The weight assumed in the case of sludge clogging between elements.
*2 Except when the chemical cleaning with the designated chemical agents.
*3 For the standard operating condition please refer Table VII-1.
*4 Air volume as being 0 degree C and 101.325 kPa (1 atm).
*5 MBR operation only by Cassette is not assumed.
