Explosion Proof Off-shore Type Drilling Platform Sewage Treatment Unit

This type sewage treatment unit is used for off-shore drilling platform which is explosion proof type.

The SWCM type sewage treatment unit uses activated sludge, contact oxidizing and principle of biologic membrane to digest the organic pollutant, which can treat sewage effectively and reach at the IMO new effluent standard or other stricter requirements.

The unit 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.

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