Sewage Treatment Equipment
1. Sewage Treatment Equipment Description:
The sewage treatment equipment belongs to the key devices for prevention of pollution form ships in seas and oceans according to the revised Annex IV of the International Convention of the Prevention of Pollution (MARPOL 73/78). The MEPC.2 (VI) resolution adopted on 3 December 1976 is the present guidelines on implementation of effluent standards and performance tests for STP, which is called “old standards”. This device is according to the MEPC.159(55) resolution enacted on 13 October 2006, which is called “new standards”. The convention (MARPOL 73/78) provides that all STPs installed on board on or after 1 January 2010 should meet the MEPC.159(55) resolution.
The rules and effluent standards as followings:
|
IMO old standard |
IMO new standard |
USCG |
Alaska |
|
|
TSS (mg/l) |
50 |
35 |
150 |
30 |
|
BOD5 (mg/l) |
50 |
25 |
NR(Not required) |
30 |
|
COD (mg/l) |
NR(Not required) |
125 |
NR(Not required) |
NR(Not required) |
|
Coliform (pc/100ml) |
250 |
100 |
200 |
20 |
|
PH |
6~9 |
6~8.5 |
NR(Not required) |
6~9 |
|
Chlorine (mg/l) |
NR(Not required) |
＜0.5 |
NR(Not required) |
10 |
|
Test days (day) |
10 |
16 |
10 |
30 |
The equipment adopts activated sludge, contact oxidizing and principle of biologic membrane to digest the organic pollutant, which can treat sewage effectively and meet the IMO new effluent standard or other stricter requirements.
2. Sewage Treatment Equipment Main Technical Datas:
|
Model |
SWCM(I)- |
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|
15 |
20 |
25 |
30 |
40 |
50 |
60 |
80 |
100 |
120 |
150 |
200 |
250 |
300 |
400 |
||
|
Load |
Average load （L/d） |
1190 |
1540 |
1890 |
2310 |
3080 |
3780 |
4480 |
6020 |
7700 |
9100 |
11200 |
14700 |
18200 |
23100 |
30800 |
|
Peak load （L/h） |
149 |
193 |
237 |
289 |
385 |
473 |
560 |
753 |
963 |
1138 |
1400 |
1838 |
2275 |
2888 |
3850 |
|
|
Organic load (kgBOD5/d） |
0.595 |
0.77 |
0.945 |
1.155 |
1.54 |
1.89 |
2.24 |
3.01 |
3.85 |
4.55 |
5. 6 |
7.35 |
9.10 |
11.55 |
15.4 |
|
|
Rated capacity （men） |
15 |
20 |
25 |
30 |
40 |
50 |
60 |
80 |
100 |
120 |
150 |
200 |
250 |
300 |
400 |
|
|
Max capacity（men） |
17 |
22 |
27 |
33 |
44 |
54 |
64 |
86 |
110 |
130 |
160 |
210 |
260 |
330 |
440 |
|
|
Electricity |
AC 380V/50Hz/3φ, AC 415V/50Hz/3φ, AC 440, 60Hz/3φ, etc. |
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|
Power （kW） |
2.5 |
2.5 |
2.5 |
2.5 |
3.0 |
3.0 |
3.5 |
4.0 |
4.0 |
4.0 |
6.0 |
6.0 |
7.0 |
9.0 |
11 |
|
|
External dimension （mm） L×W×H |
1870 × 1200 × 1450 |
1680 × 1400 × 1570 |
1890 × 1400 × 1560 |
1980 × 1500 × 1650 |
2320 × 1600 × 1700 |
2320 × 1700 × 1880 |
2650 × 1700 × 1860 |
2800× 1900× 2090 |
2800 × 2100 × 2300 |
3030 × 2100 × 2300 |
3090 × 2250 × 2390 |
3640 × 2250 × 2390 |
3890 × 2450 × 2580 |
4790 × 2450 × 2600 |
5980 × 2450 × 2600 |
|
|
Weight |
Dry weight（kg） |
1000 |
1000 |
1100 |
1200 |
1300 |
1450 |
1600 |
1850 |
2200 |
2300 |
2800 |
3000 |
3300 |
3700 |
4200 |
|
Wet weight（kg） |
2283 |
2640 |
2740 |
3500 |
4400 |
5073 |
5270 |
6517 |
8268 |
9166 |
11340 |
13267 |
16538 |
20357 |
25417 |
|
|
Effluent standard |
BOD5≤25 Qi/Qe mg/L, COD≤125Qi/Qe mg/L, TSS≤35 Qi/Qe mg/L, coliform≤100/100ml, PH6～8.5, CL2≤0.5mg/L |
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3. Sewage Treatment Equipment Severl Class Certificates Supply:
ABS, BV, DNV.GL, LR, RINA, NK, USCG, CCS class certificates and etc.
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