Abstract: Abstract:At summer, the powdered resin precoal filter of a power plant easy splits from system due to higher environmental temperature. Meanwhile, the operation cost of the powdered resin precoat filter is higher. Considering above factors, the operation adjustment test of the powdered resin precoat filter in polishing system of project phase II was carried out. According to the test result, it is feasible to stop the powdered resin precoat filter in a short period, the water and steam quality does not worsen, the indexes of the water and steam are stable, and a lot of operation cost is saved.

Key words: Keywords:powdered resin precoat filter, operation adjustment test, water steam quality, economic benefit