1·This paper introduced the principles of various wastewater denitrification processes applied currently, and expounded the features and defects of each process.
介绍了目前应用的各种废水脱氮工艺原理，阐述了各种处理工艺的特点和应用中存在的缺点。
2·The new biological denitrification techniques have gradually attracted the attention of people because of their obvious advantages.
生物脱氮新工艺由于其独特的优点日益引起人们的关注。
3·Biological denitrification was the major method, and some new processes of nitrate treatment were reviewed.
生物脱氮是硝酸盐治理的主要方法，本文综述了硝酸盐治理的一些新工艺。
4·The results show that the sludge loading can be determined preferably according to the temperature and denitrification demand.
试验结果表明，污泥负荷的确定应根据温度和脱氮要求；
5·This paper compares ANAMMOX process with the traditional biological denitrification process, the former has obvious advantages.
ANAMMOX工艺与传统的生物脱氮工艺相比有明显的优势。