Marine Sewage Treatment Equipment Factory

The Hi-sea Marine company specialized in marine equipments, such as sewage treatment equipment.

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.
The treatment procedures of the plants are shown as following:

Marine Sewage Treatment Equipment Factory

The mian technical datas:

Model		SWCM-
Model		10	15	20	25	30	40	50	60	80	100	120	150	200	250	300	400
LOAD	Average load （L/d）	840	1190	1540	1890	2310	3080	3780	4480	6020	7700	9100	11200	14700	18200	23100	30800
	Peak load （L/h）	105	149	193	237	289	385	473	560	753	963	1138	1400	1838	2275	2888	3850
	Organic load (kgBOD₅/d）	0.42	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）		10	15	20	25	30	40	50	60	80	100	120	150	200	250	300	400
Max capacity（men）		12	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 (optional)
Power （kW）		2.5	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		1510 × 1200 × 1300	1870 × 1200 × 1400	1745 × 1400 × 1525	1935 × 1400 × 1560	1985 × 1500 × 1650	2400 × 1600 × 1700	2410 × 1700 × 1850	2670 × 1700 × 1850	2780 × 1900 × 2050	2795 × 2000 × 2200	3000 × 2000 × 2200	3050 × 2200 × 2300	3600 × 2200 × 2350	3880 × 2400 × 2570	4750 × 2400 × 2570	5950 × 2400 × 2570
weight	Dry weight（kg）	900	1000	1000	1100	1200	1300	1450	1600	1850	2200	2300	2800	3000	3300	3700	4200
weight	Wet weight（kg）	1775	2283	2640	2740	3500	4400	5073	5270	6517	8268	9166	11340	13267	16538	20357	25417
Effluent standard		BOD5≯25mg/L, COD≯125mg/L, TSS≯35mg/L, Coliform≯100/100ml, PH6～8.5, CL₂≯0.5mg/L

The work shop and storge:

Marine Sewage Treatment Equipment Factory

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Marine Sewage Treatment Equipment Factory