Japanese industrial giant Mitsubishi Heavy Industries (MHI) to refurbish a 135 tonne per day fluidised bed waste to energy incineration plant in Ushiku City, Japan.
Under the deal Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. (MHIEC), a Group company of MHI, is responsible for the replacement or revamping of superannuated equipment used primarily for incineration, combustion gas cooling, flue gas treatment, waste heat utilisation and ventilation, as well as electrical and instrumentation systems.
The Ushiku Clean Center was originally designed and built by MHI and completed in March 1999. It consists of an incineration plant with three fluidised bed incinerators of 45 tpd capacity each, and auxiliary equipment.
The centre also houses a recycling facility with a capacity of 3 tonnes per hour which performs bulky waste shredding, sorting of glass bottles, plastic bottles and cans, and bottom ash recycling.
The order placed to MHIEC calls for refurbishment of the key equipment of the Center's incineration plant. The company said that the refurbishment will also target enhanced energy conservation, largely through the adoption of inverters and high-efficiency motors in key equipment, and a greater than 3% reduction in CO2 emissions.
According to MHIEC, recently the number of projects to modify and improve existing waste to energy plants, both to extend their operational lives and to reduce their impact on global warming, is in an increasing trend.
The company added that this trend is also gathering further momentum in Japan with the central government's introduction in 2010 of a state subsidy system.
The order was said to be valued at 1930 million yen ($15.6 million) (sales tax excluded). The work is slated for completion in March 2020.
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