TP Utilities, a subsidiary of Tuas Power, manages the Tembusu Multi-Utilities Complex (TMUC). It was developed in line with the plans of the Singapore Economic Development Board (EDB) to establish the Tembusu industrial area of Jurong Island as a new petrochemical sector. The Complex will serve as a one-stop solutions centre that provides a cost-effective and integrated suite of utility services comprising steam, high-grade industrial water, and demineralised water to industries that are setting up in Tembusu.
Occupying two sites, TMUC which will be developed in phases in line with customers’ demand, will comprise the following key facilities:
– Biomass Clean Coal (BMCC) cogeneration plant
- The BMCC Cogeneration Plant is the core of TMUC. It will house three Circulating Fluidised Bed (CFB) boilers that are capable of co-firing coal and biomass to generate steam with low emissions. Each boiler is highly efficient and has the capacity to produce up to 450 tonnes of steam per hour
– Desalination plant
- The future desalination plant will provide up to 30 million gallons per day of high-grade industrial water for steam production and cooling water
– Wastewater treatment facility
- The wastewater treatment plant will provide physical, organic and biological waste treatment. It will be able to handle up to 1000 m3 of industrial waste water every hour.
– Demineralised water treatment plant
- The water treatment plant will provide up to 1500m3/hr of demineralized water.
TMUC is a unique system that integrates:
- TMUC applies innovation in the integration of utility services by pooling resources over several systems to eliminate duplication of services. For instance, the seawater used to condense the steam is channelled to the desalination plant. The warm seawater discharge allows a greater production capacity in the desalination process and also reduces the need for additional pumping capacity in the desalination process and plant. This increases system efficiency and reduces energy wastage.
- By housing various utility facilities within one complex, we are able to leverage on the centralised operations and optimisation of resources to achieve high efficiencies.
- All equipment and systems within TMUC are configured to optimise efficiency. For example, a backpressure turbine is used to reduce steam pressure and generate electricity at the same time. Such a configuration helps the TMUC achieve a total system efficiency up to 70%.
– Environmental Sustainability
- The integrated and optimised systems ensure that energy wastage is minimised
- TMUC is designed to be self-sufficient. Part of the electricity generated by the BMCC Cogeneration Plant will be used internally to support major systems such as the desalination plant and the waste water treatment facility, thus conserving fuel. TMUC also produces its own water for steam production and process cooling
- TMUC utilises clean coal – very low Sulphur and ash content coal, and carbon-neutral biomass, to reduce carbon footprint, greenhouse gas emission and ash generation
- The Circulating Fluidised Bed (CFB) technology that will be employed at the BMCC Cogeneration Plant allows coal and other solid fuels to be burned efficiently at lower combustion temperature to achieve lower NOx emission. An efficient bag filter system further reduces the particulate discharge into the atmosphere. The CFB Boiler contains a fluidised bed that suspends solid fuels on upward-blowing jets of air during the combustion process. This produces a turbulent mix of solids and gas, thus resulting in lower pollutant emissions
- Ash that is left over from the combustion process will be recycled into useful construction products such as aggregates and blended cement