【摘要】 近十年来,同步生物除磷脱氮一直是城市污水处理的新热点,磷氮排放标准严,除磷脱氮研究步步深入,除磷脱氮新工艺不断涌现。文章列出了当前城市污水同步生物除磷脱氮的几种新工艺流程及其一些特点,初步讨论了“工况交替”、“固液分离”和“曝气形式”有关问题。更多还原

【Abstract】 In the recent ten years,the synchronized biology eliminateing the phosphorus denitrogenation always is the city sewage treatment new hot spot,the phosphorus nitrogen emission standard is strict,eliminates the phosphorus denitrogenation research to be step by step thorough,eliminating the phosphorus denitrogenation new craft to emerge unceasingly.This article listed new technical process and some characteristics about the current city sewage synchronization biology eliminating the phosphorus denitrogenation several,discussed related question such as operating mode replacement,solid and liquid separation,aeration form.更多还原