Chinese MBR reuse plant to be built by BTO contract

A membrane bioreactor wastewater reuse plant is to be built by Tri-Tech Holding Inc under a $2 million build-transfer-operate (BTO) contract for the Dongli Economic Development Area in Tianjin Municipality in northern China.

Beijing-based Tri-Tech will build the 3,000 m³/d treatment plant and transfer the ownership to Dongli Economic Development Area once construction is completed.

This is the first Tri-Tech use of the BTO model, which is similar to the build-operate-transfer (BOT) model except that transfer to the public owner takes place once construction is completed, rather than at the end of the franchise period.

Reclaimed wastewater discharged from the treatment plant will meet Class 1A standards as per the National Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant. The reclaimed wastewater is suitable for various reuses including roadway dust control, landscape irrigation and toilet flushing.

Tri-Tech expects to complete the construction by the end of February 2010.

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