HVG MARINE AUXILIARY MACHINERT 0120: 15 Persons Marine Wastewater Treatment Equipment
This 15 persons marine wastewater treatment equipment is applicable to treat the sewage, which means human body wastes and the wastes from the toilets on vessels and which is also called “black water”, to meet the effluent standards of IMO MEPC.159（55), and discharge the effluent to overboard. It is also applicable to treat galley & shower drainage which is called “grey water” on condition that the “grey water” should be pretreated or should select a bigger capacity model to match with. Marine Sewage Treatment Plant 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).
Summary all 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 |
