TMP bleaching with sodium hydrosulfite in refiner is practiced in the mill.The advantage and corrosion problem,the reasons of corrosion and the solution measure are discussed.

• 叙述了在盘磨机内用连二亚硫酸钠溶液漂白TMP的优点,以及曾经出现的腐蚀问题,分析其原因并找到了解决办法。