【摘要】 两级曝气生物滤池工艺主要特点是体积小、处理效率高、出水水质好、流程简单,集生物氧化和截流悬浮固体于一体,在有效去除水中的有机物的同时,脱氮效果良好。该工艺不设二沉池,节省了基建投资,且自动化控制水平高,也降低了运行成本。本文综合介绍了该工艺的工艺流程、设计要点、技术经济分析和运行状况等。更多还原

【Abstract】 The technic of two stage biological aerated filter has many advantages,such as small volume,high treatment efficiency,better treatment water quality, simple technics,biological oxidation and SS absorbed in same location, the technical process can remove organic pollutants efficiently,and possess denitrification effect.For this technic there is no secondary settling pond,so investment is lower, operation is autocontrol, and running cost is lower too.In this paper,technical process,design point,analysis of technology and economy,and running conditions etc are discussed更多还原