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Sewage treatment plants for ships

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Describe project

Benefits of Wärtsilä sewage treatment plants

  • Cost-effective, environmental friendly & safe answer for every ship to dispose of waste water at sea
  • Proven effluent quality: clean and safe effluent, suitable for discharging overboard
  • Low operational costs with:
    • minimal maintenance & spare parts required
    • minimal human intervention during operation
 
  • Simple & robust construction
  • Compatible with gravity & vacuum collection systems
  • Collecting tank integral part of STP

Main features

  • IMO 227(64) & MED certified
  • Single power supply input point
  • Solids handling centrifugal discharge pump
  • Chemical disinfection and de-chlorination
  • Automatic control
  • Compact design

Models

STC 13 line

System

IMO certified
(litres/day)

Dimensions
(LxWxH in mm)

Weight full
(kg) 

STC-01-13

1740

1890

1400

1181

1550

STC-02-13

3120

2518

1863

1336

3030

STC-03-13

4660

2622

1863

1681

3959

STC-04-13

6010

2722

2080

1821

5027

STC-06-13

9360

3072

2280

1971

7367

STC 14 line

System

IMO certified
(litres/day)

Dimensions
(LxWxH in mm)

Weight full
(kg) 

STC-08-14

11840

3000

2670

2000

9294

STC-10-14

15810

3400

2750

2000

11314

STC-13-14

20830

4400

2750

2000

15036

STC-15-14

25704

3700

3215

2300

17836

STC-20-14

33974

4620

3215

2300

22422

STC-25-14

40778

4620

3490

2500

27446

STC-30-14

47422

5012

3470

2700

30898

STC-40-14

64150

6012

3915

2680

43614

STC-50-14

80182

7000

4145

2900

55526

STC-60-14

100800

7000

4180

3500

69754

Scope of supply

As standard

  • Main tank
  • Air compressor
  • Discharge pump
  • Electrical control panel
  • Chlorination & dechlorination systems

Optional

  • Fitted vacuum sewage collection equipment
  • Conditioning water flow meter
  • Standby compressor (mounted)
  • Standby discharge pump (mounted)
  • Maceration
  • Separate sewage feed system
  • Retrofit options available to aid installation
 
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