The Effect of Temperature and Internal Recycle Ratio on the Mass Flow in A²/O System

Author

Dong Xiao-yang ; Wu Shan ; Zhang Jing-hui ; Zhou Jun

Author_Institution

Civil Eng. Coll., Beijing Univ. of Technol., Beijing, China

fYear

2010

fDate

18-20 June 2010

Firstpage

1

Lastpage

4

Abstract

The mass balance of COD, N and P in the wastewater treatment process was studied respectively on a trial basis by a pilot-scale A²/O system. Under three kinds of operating conditions which with different temperature (14°C, 18°C, 21°C) and mixed liquor internal recycle ratio (100%, 200%, and 300%), the flow and distribution of COD, N and P in the system were tested and analyzed. The variation of these three indexes in anaerobic, anoxic and aerobic phases of the treatment process can be directly represented by the experiment results, and it will give real support to optimizing the running condition of A²/O system.

Keywords

biotechnology; mass transfer; wastewater treatment; A²/O system; aerobic phases; anaerobic phases; anoxic phases; internal recycle ratio; mass flow; temperature effect; wastewater biological treatment; wastewater treatment process; Biological materials; Carbon dioxide; Effluents; Energy consumption; Nitrogen; Organic materials; Recycling; System testing; Temperature distribution; Wastewater treatment;

fLanguage

English

Publisher

ieee

Conference_Titel

Bioinformatics and Biomedical Engineering (iCBBE), 2010 4th International Conference on

Conference_Location

Chengdu

ISSN

2151-7614

Print_ISBN

978-1-4244-4712-1

Electronic_ISBN

2151-7614

Type

conf

DOI

10.1109/ICBBE.2010.5516929

Filename

5516929