• Wastewater Treatment Plant in the Macau Peninsula

    4 April 2017

    This is project, in progress, is part of a complete restoration and upgrading of the wastewater treatment plant’s capacity, anticipating future reuse water standards. This is upgrade work includes improving of the existing treatment system, increasing its nominal capacity and enhancing effluent quality.

    In connection with the contract that extends from 2011 to 2016, the Macau Peninsula Wastewater Treatment Plant is operated and maintained to enable the Government to optimise their production costs associated with wastewater treatment, ensuring effective management of their assets and respecting standards and regulations in effect for health, the environment and quality. Management of production and treatment processes occur 24 hours a day, 365 days a year.

    With a capacity of 144,000 cubic meters per day, existing water remediation is based on a conventional pretreatment and an activated sludge treatment process, divided in three treatment lines. The capacity of the plant will be increased to 184,000 cubic meters per day and the activated sludge treatment process will be modified with an MBR (Membrane Bioreactor) system. The membrane technology used for wastewater treatment will allow the Government of Macau to reuse or reject water which meets quality standards. This is will be one of the world’s largest MBR plants.

    The wastewater treatment plant project was awarded to a joint venture between HCCG Building and Civil Engineering (Macau) Limited, a wholly- owned subsidiary of Hsin Chong, and CESL Asia Investments and Services Limited. _ e project expands treatment capacity at the wastewater treatment plant as well as improves its treatment quality.


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