Military



‘Holland’ Class Offshore Patrol Vessels for the Royal Netherlands Navy

  • P840: HNLMS Holland
  • P841: HNLMS Zeeland
  • P842: HNLMS Friesland
  • P843: HNMLS Groningen
Vessel description and role

Latest generation High-speed Offshore Patrol Vessels (OPVs) for the Royal Netherlands Navy (RNLN). They protect Dutch and NATO global interests and the EU borders. The task set of ACO Marine required reliable equipment, to exacting military specifications, that meets the latest IMO standards for global operations coupled with maximum capacity effectiveness.

ACO Marine, co-operating with the shipyard engineers proposed the complete solution for on-board wastewater management.

Capacity (based on project specific details)

No of max. people on board 90 PE
Total volume of treated water (Black & Grey) 23 m3 each unit
Total volume of treated grey water 15.75 m3

Effluent water quality
Effluent values and its comparison with alternative standards

IMO MEPC.2(VI) USCG 33CFR 159.PT1-300 USCG/Alaska 33CFR 159.309 IMO MEPC 159(55) ACO Maripur® IMO certified values
Coliform bacteria [n/100ml] 200 200 20 100 9
Total suspended solids [mg/l] 100 150 30 35 (70 at sea) 2
BOD5 [mg/l] 50 30 25 3
COD [mg/l] 125 45


‘Mistral’ Class Helicopter Carriers for the French and Russian Navies

  • Dixmude (France)
  • Vladivostok (Russia)
  • Sevastopol (Russia)
Vessel description and role (Dixmude)

Based on displacement tonnage, the ‘Mistral’ class of Helicopter Carriers are the largest ships in the French Navy after the nuclear-powered aircraft carrier ‘Charles de Gaulle’ aircraft carrier. The flight deck of each ship is approximately 6,400m2 with six helicopter landing spots, one of which is capable of supporting a 33t helicopter. The 1,800m2 hangar deck can hold 16 helicopters. The 885 m2 well deck can accommodate four landing craft and are also capable of operating two LCAC hovercrafts.

They protect French and NATO global interests and the EU borders. The task set of ACO Marine required reliable equipment, to exacting military specifications, that meets the latest IMO standards for global operations coupled with maximum capacity effectiveness. ACO Marine, co-operating with the shipyard engineers, proposed the complete solution for on-board wastewater management.

Effluent water quality
Effluent values and its comparison with alternative standards

IMO MEPC.2(VI) USCG 33CFR 159.PT1-300 USCG/Alaska 33CFR 159.309 IMO MEPC 159(55) ACO Maripur® IMO certified values
Coliform bacteria [n/100ml] 200 200 20 100 9
Total suspended solids [mg/l] 100 150 30 35 (70 at sea) 2
BOD5 [mg/l] 50 30 25 3
COD [mg/l] 125 45