Sewage Treatment

Hamworthy is the worlds leading manufacturer of marine sewage treatment plant. For over three decades Super Trident sewage treatment plants have been widely regarded as standard specification on all vessels up to the largest cruise liners. Over 6000 plant have been installed in ships across the world.IMO MEPC 2(VI) Sewage Treatment Plant: Available ex-stock for immediate deliverySewage treatment plant meeting IMO MEPC 2(VI) effluent guidelines are available ex-stock at a number of strategic locations around the globe to enable faster delivery. For more information including availability and prices please contact Alan White, Sales Manager, MEPC 159(55) Sewage Treatment Plant: New ST-C Series Plant installed on existing ships on or after 1 January 2010 and on new ships whose keels are laid on or after this date must meet the new IMO MEPC 159(55) guidelines, which are more stringent than IMO MEPC 2(VI) as indicated in the table below. The new ST-C series of Hamworthy plant is certified to meet IMO MEPC 159(55) and is presently being ordered by leading shipbuilders worldwide.Effluent Quality Standards Parameters Unit ofMeasurement IMO MEPC 2(VI) IMO MEPC 159(55) Thermotolerant Coliform MPN per 100ml < 250 (geom. mean) < 100 (geom mean) Total Suspended Solidsland testonboard test mg/litre < 50 (geom mean)< 100* (geom mean) < 35 (geom mean)< 35* (geom mean) BOD (5) [five-day biochemical oxygen demand] mg/litre < 50 (geom. mean) < 25 (geom mean) COD [chemical oxygen demand] mg/litre Not specified < 125 (geom mean) pH pH Not specified 6 to 8.5 Residual chlorine mg/litre as low as possible Best technical practice<0.5 * plus flushwater total suspended solids