Solids Residence Time Impacts Carbon Dynamics and Bioenergy Feedstock Potential in Phototrophic Wastewater Treatment Systems

2021 ◽  
Vol 55 (18) ◽  
pp. 12574-12584
Author(s):  
Ian M. Bradley ◽  
Yalin Li ◽  
Jeremy S. Guest
Keyword(s):  
Wastewater Treatment ◽  
Residence Time ◽  
Carbon Dynamics ◽  
Bioenergy Feedstock ◽  
Wastewater Treatment Systems

Impact of solids residence time on community structure and nutrient dynamics of mixed phototrophic wastewater treatment systems

2019 ◽  
Vol 150 ◽  
pp. 271-282 ◽  
Author(s):  
Ian M. Bradley ◽  
Maria C. Sevillano-Rivera ◽  
Ameet J. Pinto ◽  
Jeremy S. Guest
Keyword(s):  
Wastewater Treatment ◽  
Community Structure ◽  
Residence Time ◽  
Nutrient Dynamics ◽  
Wastewater Treatment Systems

The Wastewater Treatment Systems in The Pulp and Paper Mill

2018 ◽  
Vol 72 (8) ◽  
pp. 907-910
Author(s):  
Toshihiko Abe
Keyword(s):  
Wastewater Treatment ◽  
Paper Mill ◽  
Pulp And Paper ◽  
Pulp And Paper Mill ◽  
Wastewater Treatment Systems

Optimization and Control Petroleum Refinery Wastewater Treatment Systems — Status, Trends and Needs

1989 ◽  
Vol 24 (3) ◽  
pp. 463-477
Author(s):  
Stephen G. Nutt
Keyword(s):  
Wastewater Treatment ◽  
Process Control ◽  
Petroleum Refinery ◽  
Control Strategies ◽  
Refinery Wastewater ◽  
Statistical Process ◽  
Petroleum Refinery Wastewater ◽  
Optimization And Control ◽  
And Control ◽  
Wastewater Treatment Systems

Abstract Based on discussions in workshop sessions, several recurring themes became evident with respect to the optimization and control of petroleum refinery wastewater treatment systems to achieve effective removal of toxic contaminants. It was apparent that statistical process control (SPC) techniques are finding more widespread use and have been found to be effective. However, the implementation of real-time process control strategies in petroleum refinery wastewater treatment systems is in its infancy. Considerable effort will need to be expended to demonstrate the practicality of on-line sensors, and the utility of automated process control in petroleum refinery wastewater treatment systems. This paper provides a summary of the discussions held at the workshop.

The influence of currents on circular secondary clarifier performance and design

1996 ◽  
Vol 34 (3-4) ◽  
pp. 405-412 ◽  
Author(s):  
Andrea Deininger ◽  
Frank W. Günthert ◽  
Peter A. Wilderer
Keyword(s):  
Wastewater Treatment ◽  
Density Currents ◽  
Clear Water ◽  
Performance Measurements ◽  
Design Procedures ◽  
Secondary Clarifier ◽  
Current Design ◽  
Hydraulic Load ◽  
Novel Design ◽  
Wastewater Treatment Systems

Density currents in the deeper zones of clarifiers and currents in the clear water zone have a significant influence on clarifier performance. Measurements of flow velocity profiles were conducted in full-scale horizontally flown circular secondary clarifiers. Relations between the hydraulic load and the development of density currents could be detected. Those patterns are not taken into account in current design procedures. Stationary design approaches are mainly based on the overflow rate. Novel design methods based on the dynamic behavior of flow and density distribution in clarifiers are needed in order to improve the efficacy of wastewater treatment systems.

Occurrence and fate of androgens, progestogens and glucocorticoids in two swine farms with integrated wastewater treatment systems

2021 ◽  
Vol 192 ◽  
pp. 116836
Author(s):  
Jin-Na Zhang ◽  
Jun Chen ◽  
Lei Yang ◽  
Min Zhang ◽  
Li Yao ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Swine Farms ◽  
Wastewater Treatment Systems

scholarly journals Phylogenomics of Rhodocyclales and its distribution in wastewater treatment systems

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Zhongjie Wang ◽  
Wenqing Li ◽  
Hao Li ◽  
Wei Zheng ◽  
Feng Guo
Keyword(s):  
Wastewater Treatment ◽  
Wastewater Treatment Systems
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