With the expansion of the introduction of renewable energy, it is expected that the start and
shutdown of GTCC will increase. Due to this operation of GTCC, there are concerns about the risk
of phosphate corrosion and the increase of the work of the storage operation at the shutdown. As a
countermeasure, High-AVT (LO), which uses only ammonia for water treatment, is attracting
attention. Therefore, in this paper, a new water quality management method utilizing the merits
of High-AVT (LO) was examined.
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