Power plant flue gas frequently contains some NOX,most of which is in the form of relatively insoluble NO.The addition of metal chelates to the aqueous scrubbing liquor can promote absorption of NO.

• 燃煤电厂烟气中,NOX的主要成分是难溶于水的NO,在脱氮吸收液中添加金属螯合剂可以促进NO的吸收,脱除烟气中的NOX。