Biological Sewage Treatment Plant
RWO/Veolia biological treatment plants are the standard on standard merchant ships (freighters, tankers, bulk carriers) with 20-50 crew. Extended aeration process (aerated biological treatment) is the simplest and most cost-effective MARPOL Annex IV compliant solution.
Components & Design
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Technical Data
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Common failures & inspection points
Service & Maintenance
Biological parameters monitoring weekly (DO, pH, TSS). Desludging when sludge level >50%. Chlorinator chemical supply check monthly. Effluent sampling per MARPOL.
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