On the basis of catalyzing mechanism , it can raise the reaction efficiency of sodium sulfite and reduce the remains of sodium sulfite , and has evident catalyzing action by adding bivalent nickel ions and bivalent cobalt ions into the water under the condition of weak alkali 根据催化机理,在弱碱条件下加入二价镍离子和二价钴离子能提高水中亚硫酸钠的反应效率,降低水中亚硫酸钠的残余量,对亚硫酸钠的除氧效果具有明显催化作用。