Water can not play a role in NO_x reduction alone. Owning the NO_x control advantages of both coal and water, CWS showed stronger NO_x reduction ability.

• 水、煤粉和水煤浆的再燃区反应特性研究证明水份不单独具有明显的脱硝效果，水煤浆由于兼具煤粉和水份的作用优势而在再燃过程中表现出较高的脱硝能力。