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WÄRTSILÄ HAMWORTHY LARGE STC-14 SERIES SUPER TRIDENT SEWAGE TREATMENT PLANT - 2 Pages

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Catalogue excerpts

Waste, Oil & Fresh Water Management WÄRTSILÄ HAMWORTHY LARGE STC-14 SERIES SUPER TRIDENT SEWAGE TREATMENT PLANT Wärtsilä is the world’s leading manufacturer of marine sewage treatment systems. For over four decades the Wärtsilä Hamworthy Super Trident sewage treatment plant has been widely regarded as standard specification on all types of vessels and has been designed to meet all existing and future IMO standards. Plants installed on or after 1 January 2016 must meet the new IMO MEPC 227(64) effluent quality standards, which introduce a dilution compensation factor and designate the Baltic Sea as a “Special Area”. The Wärtsilä Hamworthy Super Trident sewage treatment plant is certified to meet these standards, which are more stringent than the current IMO MEPC 159(55) guidelines. The Wärtsilä Hamworthy Super Trident sewage treatment plant is a cost-effective and safe answer to disposal of waste at sea, maintaining the quality of the world’s oceans and complying with regulations for operational peace of mind. The large STC-14 sewage treatment plants are fully compatible with gravity and vacuum collection systems and use the activated sludge system, which accelerates natural biological processes. Chemical chlorination and dechlorination are employed to produce a clean, safe, effluent suitable for discharging overboard. STANDARD FEATURES • IMO & MED certified • Unitary construction • Single power supply input point • Minimal maintenance requirement • Solids handling centrifugal discharge pump • Chemical disinfection and dechlorination • Central settling tank to minimize effect of movement OPTIONAL FEATURES • Fitted vacuum sewage collection equipment • Conditioning water flow meter • Standby blower (mounted) • Standby discharge pump (mounted) • Maceration • Separate sewage feed system

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*IMO certificate issued by Lloyd’s Register. **Weights and dimensions based on two pump and two compressor variant. Chemical Dosing Unit (Loose Supply) DETAILED SPECIFICATION AIR BLOWER One or more rotary air blowers (duty/standby) can be supplied, to provide air to the aerators. STC15-14 and above have two blowers fitted as standard. DISCHARGE PUMP One or more discharge pumps (duty/standby) can be supplied. These are also suitable for routine desludging. STC15-14 and above have two pumps fitted as standard. ELECTRICAL CONTROL PANEL The electrical controls are housed in a steel enclosure to IP55...

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