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The MOL Duna Refinery, the largest oil refinery in Hungary, required upgrades to its wastewater facilities to meet European Union and Hungarian environmental legislation. The MOL Hungarian Oil and Gas Company retained Earth Tech to provide services for the expansion, upgrade and management of the refinery’s wastewater treatment facilities.
Project challenges included meeting strict compliance deadlines established by the European Union international building code standard, while responding to the demands of 23 local stakeholders, obtaining the required permitting requests and ensuring protection of the Danube River.
Earth Tech’s services included design/build/finance/operate for the upgrade of the existing 6.3-mgd (23,850 m 3/d) wastewater treatment plant. Upgrades include a new dissolved air flotation (DAF) system, CASS (sequence batch reactor) biological activated sludge system, sludge handling and dewatering equipment. Earth Tech is also upgrading the oily sludge/solid waste rotary kiln incinerator and modifying the refinery sewer system to segregate and reduce wastewater entering the plant.
As part of a 15-year services agreement, Earth Tech has assumed full responsibility for the operation and maintenance of the wastewater collection system, wastewater treatment and waste incineration and landfill site.
The MOL Duna Refinery, which is 12% owned by the Hungarian Government, is one of the first privatization efforts in Hungary.
