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1.2.5 Sewage treatment plants installed prior to 1 January 2010 on ships other than passenger ships operating in MARPOL Annex IV special areas and intending to discharge treated sewage effluent into the sea, should comply with resolution MEPC.2(VI).
The Wärtsilä 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 Wärtsilä small STC-13 Super Trident sewage treatment plant is a cost-effective and safe answer to disposal of waste at sea. The small plants are fully compatible with gravity and vacuum collection systems and uses the activated sludge system.
The Annex requires ships to be equipped with either an approved sewage treatment plant or an approved sewage comminuting and disinfecting system or a sewage holding tank.
1.1 Regulation 11.1.1 of the revised Annex IV of MARPOL 73/78 requires that untreated sewage, which may be discharged at more than 12 nautical miles from the nearest land, should not be discharged instantaneously but at a moderate rate of discharge when the ship is en route and proceeding at a speed not less than 4 knots, while the rate should b...
Sewage Treatment With Minimal Efforts. CleanSewage-BIO is a compact, type approved marine Sewage Treatment Plant (STP) for cargo vessels. With an incorporated Moving Bed Bio-reac tor (MBBR), the CS-BIO requires minimal pro-cessvolume, still meeting the IMO MEPC.227(64) discharge criteria. CS-BIO is designed for easy maintenance and ope-ration.
1. INTRODUCTION. 1.1 The Marine Environment Protection Committee (MEPC) of the International Maritime Organization (IMO) adopted resolution MEPC.2(VI) Recommendation on International Effluent Standards and Guidelines for Performance Tests for Sewage Treatment Plants in 1976.
