Aerosols from a wastewater treatment plant using oxidation ditch process: Characteristics, source apportionment, and exposure risks

2019 ◽  
Vol 250 ◽  
pp. 627-638 ◽  
Author(s):  
Tang Yang ◽  
Yunping Han ◽  
Junxin Liu ◽  
Lin Li
Keyword(s):  
Wastewater Treatment ◽  
Source Apportionment ◽  
Wastewater Treatment Plant ◽  
Treatment Plant ◽  
Oxidation Ditch ◽  
Process Characteristics ◽  
Exposure Risks

Alternatives for upgrading the Wilderness Wastewater Treatment Plant for biological nutrient removal

2004 ◽  
Vol 48 (11-12) ◽  
pp. 453-462
Author(s):  
E.U. Cokgor ◽  
C.W. Randall
Keyword(s):  
Wastewater Treatment ◽  
Nutrient Removal ◽  
Wastewater Treatment Plant ◽  
Treatment Plant ◽  
Biological Nutrient Removal ◽  
Oxidation Ditch ◽  
Concentric Ring ◽  
Annual Average ◽  
Flow Capacity ◽  
Ring Oxidation

The Wilderness Wastewater Treatment Plant (WWTP) located in Orange County, Virginia is a four concentric ring oxidation ditch activated sludge system with a rated capacity of 1,935 m3/day. The three outer rings are used for wastewater treatment and the inner ring is used as an aerobic digester. The flow capacity has been increased from 1,935 to 3,760 m3/d, however, the desired design capacity has since been increased to 3,870 m3/d, and there are plans to eventually expand to approximately 4,840 m3/d with improved nitrogen removal. The design goal for the planned upgrade is to discharge an effluent that contains less than 10 mg/l total nitrogen (TN) at all times, with an annual average of 8 mg/l or less. In this study, the pre-upgrade performance of the Wilderness Wastewater Treatment Plant was evaluated and several modifications were recommended for the incorporation of biological nutrient removal (BNR).

scholarly journals Modelling performance of oxidation ditch in wastewater treatment plant by STOAT software

2019 ◽  
Vol 300 ◽  
pp. 032065
Author(s):  
Weiyi Wang ◽  
Chen Shi ◽  
Junfeng Yang ◽  
Ming Zeng ◽  
Zongbiao Dai ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Wastewater Treatment Plant ◽  
Treatment Plant ◽  
Oxidation Ditch
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