Biological sewage treatment

Biological Sewage Treatment Plant series WWT-LC

With the new IMO Resolution MEPC.159(55) applicable for installations starting from January 1^st 2010, new and more stringent limit values will come into force for effluent water from marine sewage treatment plants.

RWO's family of wastewater treatment systems has therefore been complemented by the biological wastewater treatment series WWT-LC fulfillingthe new MEPC.159(55)

WWT-LC 2

The WWT-LC is generally based on RWO's proven Biopur WWT technology together with an additional treatment step.

Mixed Bed Biofilm Reactor (MBBR) giving process stability and excellent effluent results

Compact design with small foot print

Suitable for both gravity and vacuum sewage drainage

No pH adjustment problems due to special post-treatment

Fully automatic operation

Robust and user friendly

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Biological Sewage Treatment Plant WWT

WWT 8

in accordance with MEPC.2(VI)

excellent effluent results and process stability
suitable to treat black and grey water or black water only
fixed film reactor
delivered as plug and play unit
applicable for gravity and vacuum sewage drainage
compact, small footprint design
standardised systems
fulfilling MEPC.2(VI)

Process advantages of the WWT-LC and WWT

continuous reduction of the organic load with the bacteria adapted on the fixed film reactor
activated sludge will remain during excess sludge discharge as adapted on the fixed film reactor
higher detention time of the air by the fixed film reactor is the reason for a maximum oxygen transfer
good sedimentation of the excess sludge in the sedimentation tank
high process stability of the sewage treatment plant if hydraulic / organic load drops down for a longer period of time

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Biological sewage treatment

in accordance with MEPC.2(VI)

Type Approval for new Sewage Treatment Plant series

RWO's WWT-LC fulfills the new guidelines for Sewage Treatment plants set by IMO Resolution MEPC.159(55)

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