taking the mixture of 2% nitric acid and 20% ammonium nitrate as absorption solution,using polysulfone hollow fiber membrane as absorber,the removal rate of ammonia reaches 99.6%.

• 采用 2%25HNO3- 2 0%25NH4NO3作为吸收液 ；聚砜中空纤维膜组件为吸收器 ；去除率可以达到 99.；6%25。