POWER-GEN Asia 2018

Sessions Speakers Exhibitors Products Press Releases Floor Plan Buzz

IGCC Trend (Room Garuda 12, 1st Floor)

Considerable IGCC research has been funded by several governments and large companies in the past two decades; however, deployment of the technology has not been materialized despite large coal resources in many countries around the world. This is evident by the construction of only eleven coal based IGCC power plants since 1994. Environmental concerns regarding coal based generation; high initial costs and low reliability of many of the existing assets have worked against investment and development of new plants. Mitsubishi Hitachi Power System has continued the design and development of the technology in a progressive and conservative way that has resulted in reliable operation of the 250MW Nakoso demonstration plant using Air-blown gasification. Upon exhaustive validation and thorough testing of the technology in this facility, it was converted into a commercial plant called Joban Nakoso #10 power plant. Additionally, the construction of a 166MW Oxygen-blown plant was finished and starting demonstration operation in March, 2017. Based on the above mentioned successful projects, MHPS has started the construction of two 540MW Air-blown IGCC projects in Japan. These projects leverage Nakoso experience, incorporating high efficiency 50Hz class gas turbines for 48% net plant efficiency. This technology enables the new plants to operate with several advantages compared to Ultra-Super-Critical applications, including capability to burn a wider range of coals, lower ash volumes and generation of residue that can be used in civil construction projects, etc. This paper will explain MHPS IGCC Technology including the status of construction of both plants that are scheduled to start commercial operation in 2020 and 2021, and the further implementation regarding IGCC projects development over the world.