污水新型生物脱氮强化技术研究进展  

Research progress on new biological nitrogen removal intensification technology for wastewater

作　　者：陈仁杰 谢禹 荆肇乾[1] CHEN Ren-jie;XIE Yu;JING Zhao-qian(School of Civil Engineering,Nanjing Forestry University,Nanjing 210037,China)

机构地区：[1]南京林业大学土木工程学院,江苏南京210037

出　　处：《应用化工》2020年第8期2075-2079,共5页Applied Chemical Industry

基　　金：国家科技支撑计划项目(2015BAL02B04);住房和城乡建设部科学技术项目(2015-K7-012)。

摘　　要：生物法脱氮具有比物理法、化学法更突出的优势,为提高污水脱氮效率,在传统生物法基础上进行工艺强化具有较高的可行性。系统介绍了生物脱氮各项新型强化技术的研究进展;对比显示出生物强化脱氮技术具有工艺稳定高效、节省投资运营费用等优点;发展生物强化脱氮技术可将反应条件分子生物学技术如基因重组、改组构建新型工程菌种等进行结合以提高脱氮效率,并要加速推进各新型强化技术从小规模试验向实际工程转化。Biological denitrification has more prominent advantages than physical and chemical methods.In order to improve the denitrification efficiency of wastewater,it is feasible to carry out process strengthening on the basis of traditional biological methods.This paper systematically introduces the research progress of new technologies for biologically enhanced nitrogen removal.It shows that the bio-enhanced denitrification technology has the advantages of stable and efficient process,saving investment and operating costs.The development of bio-enhanced denitrification technology can be combined with the molecular conditions under the relevant reaction conditions such as gene recombination and shuffling and construction of a new type of engineering strain to improve nitrogen removal efficiency,the transformation of various new intensive technologies from small-scale experiments to actual projects should also be accelerated.

关 键 词：生物脱氮 工艺强化 短程硝化反硝化 同步硝化反硝化 厌氧氨氧化 反硝化聚磷菌 

分 类 号：TQ352[化学工程] TQ353