Recent advances on the treatment of domestic wastewater by biological aerated filter

2022 ◽  
pp. 155-170
Author(s):  
Hui Xu ◽  
Bo Yang ◽  
Yanbiao Liu ◽  
Xinshan Song ◽  
Wolfgang Sand
Keyword(s):  
Domestic Wastewater ◽  
Biological Aerated Filter ◽  
Recent Advances ◽  
Aerated Filter

Phosphorus Removal in Biological Aerated Filters by Chemically Enhanced

2011 ◽  
Vol 243-249 ◽  
pp. 4821-4826 ◽  
Author(s):  
Ying Ying Ma ◽  
Xin Li ◽  
Wen Yi Dong
Keyword(s):  
Ferric Chloride ◽  
Aluminum Chloride ◽  
Phosphorus Removal ◽  
Removal Rate ◽  
Domestic Wastewater ◽  
Metal Salts ◽  
Biological Aerated Filter ◽  
Mass Ratio ◽  
Aeration Intensity ◽  
Aerated Filter

Phosphorus removal by biological aerated filter(BAF) is ineffective, its effluent TP is much more than 0.5mg/L, so chemically enhanced phosphorus removal is neccessary. To solve this problem, domestic wastewater through BAF by adding metal salts in the aerobic tank was studied. The ferric chloride and aluminum chloride were chosen as the metal salts. The results showed that: the removal rate of TP rose with the Me/P (Me=Fe, Al)mass ratio increased, the influence on other performance of BAF by chemically enhanced synchronously was not severe, with TP in the effluent below the standard of 0.5mg/L; to ensure the concentration of effluent TP was less than 0.5mg/L, the optimum mass ratios of dosing were Fe/P=3, Al/P=2.5; proper aeration intensity could maintain the proper micro-flocculation state in BAF, which was helpful to TP removal.

scholarly journals Study on Treatment of Domestic Wastewater by Biological Aerated Filter

2019 ◽  
Vol 330 ◽  
pp. 032054
Author(s):  
Teng Yu ◽  
Jiang Linshi ◽  
Yu Miao ◽  
Gu Guizhou ◽  
Li Zheng
Keyword(s):  
Domestic Wastewater ◽  
Biological Aerated Filter ◽  
Aerated Filter

Analysis on Phosphorus Removal from Domestic Wastewater Treatment Plant by Biological Aerated Filter

2013 ◽  
Vol 641-642 ◽  
pp. 299-302 ◽  
Author(s):  
Yin Song Liu ◽  
Hong Jun Han ◽  
Chun Yan Xu ◽  
Bing Wang ◽  
Jian Feng Tan
Keyword(s):  
Wastewater Treatment ◽  
Wastewater Treatment Plant ◽  
Phosphorus Removal ◽  
Treatment Plant ◽  
Domestic Wastewater ◽  
Biological Aerated Filter ◽  
Biological Phosphorus Removal ◽  
Domestic Wastewater Treatment ◽  
Aerated Filter ◽  
Biological Phosphorus

Hydrolysis acidification / pre-denitrification biological aerated filter was adopted in a domestic wastewater treatment plant. The effluent was accorded with a standard in the Integrated Wastewater Discharge Standard（GB18918-2002）, in which the effluent phosphorus was demanded below 0.5mg/L. Through analysis on the process biological phosphorus removal, biological method can be found to total phosphorus 1.5 mg/L. If you reach level to an emissions standards, phosphorus chemical experiment research, finally determined by strategy for the CN pool, point for adding potions FeCl3, dosing quantity for 35mg/L.

Backwashing Sludge Utilization of Biological Aerated Filter (BAF)

2013 ◽  
Vol 864-867 ◽  
pp. 1763-1766
Author(s):  
Hong Lan Li
Keyword(s):  
Removal Efficiency ◽  
Domestic Wastewater ◽  
Biological Aerated Filter ◽  
Treatment Performance ◽  
Biological Sludge ◽  
Flocculation Ability ◽  
Promising Treatment ◽  
Aerated Filter

The characteristics of biological aerated filter (BAF) backwashing sludge and the combined coagulation efficiency of chemical coagulant and biological sludge, and the properties of the settled sludge produced in the utilization process were investigated. The results showed that the backwashing sludge had preferable biological flocculation ability. A promising treatment performance, which sufficed the influent requirement of BAF was observed whether by using the backwashing sludge or combined using chemical coagulant and biological sludge in the enhanced domestic wastewater pretreatment process. The removal efficiency of COD, SS and TP were up to 74.6%、81.9% and 84.2% respectively where as backwashing sludge dosage was 38~76mg and FeCl3 dosage was 30mg per liter domestic wastewater.

Simultaneous nutrients and carbon removal from low-strength domestic wastewater with an immobilised-microorganism biological aerated filter

2011 ◽  
Vol 63 (5) ◽  
pp. 885-890 ◽  
Author(s):  
Q. Chen ◽  
L. Qu ◽  
G. Tong ◽  
J. Ni
Keyword(s):  
Phosphorus Removal ◽  
Domestic Wastewater ◽  
Cost Effective ◽  
Biological Aerated Filter ◽  
Intermittent Aeration ◽  
Nitrogen And Phosphorus ◽  
Nitrogen And Phosphorus Removal ◽  
Domestic Wastewater Treatment ◽  
Low Strength ◽  
Aerated Filter

To improve the efficiency of low-strength domestic wastewater treatment, an immobilised-microorganism biological aerated filter (I-BAF) was established for simultaneous carbon, nitrogen and phosphorus removal. The I-BAF performance was systematically evaluated under continuous and intermittent aeration modes. At the optimal condition with an intermittent aeration control schedule of 2 h on/1 h off, the maximum removal rates of COD, NH4+-N, TN and P were 82.54%, 94.83%, 51.85% and 61.49%, respectively, and the corresponding averaged effluents could meet the first class standards of China. Further analysis of PCR-DGGE profile revealed that members of the gamma and alpha proteobacterium bacterial groups were probably responsible for the nitrogen and phosphorus removal. The I-BAF system showed excellent performance in carbon and nutrients removal, which provided a cost-effective solution for the treatment of low-strength domestic wastewater.

Sign in / Sign up

Export Citation Format

Share Document