Nitrogen and phosphorus were removed simultaneously from synthetic wastewater by simultaneous nitrification and denitrification via nitrite by controlling sludge age in sequencing batch reactor (SBR).

• 采用序批式活性污泥法,对人工配制的城市污水,通过控制泥龄成功实现亚硝酸盐型同步硝化反硝化,同时取得很好的生物除磷效果。