Abstract
AbstractA Waste Reduction Framework Plan was initiated by the Hong Kong Environmental Protection Department in 1998 to set out a 10‐year programme and a set of targets for waste reduction. By combining cement production and power generation, waste incineration has improved its competitiveness. The co‐combustion of Municipal Solid Waste (MSW) is a novel and highly integrated design combining cement and electricity productions (Co‐Co process). By carefully integrating these three processes, energy generated from MSW co‐combustion can be used eficiently for cement production and electricity generation. In this process, MSW is incinerated in a rotary kiln with additional fuel followed by the secondary combustion unit (SCU) and extra fuel is burnt in the SCU to raise the combustion temperature to 1200°C. Flue gas exiting porn the SCU will then enter a calcinations scrubber for acid gas removal. The flue gas then enters into a waste heat boiler for steam generation. A pilot plant is being designed and will be constructed to test this design.
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