The on-site pilot-scale Static Granular Bed Reactor (SGBR) was used to treat the dairy processing wastewater at the Tulare Industrial Wastewater Treatment Plant (IWTP). A pilot unit with approximately 42.5 m3 of active volume was operated for 7 months on a continuous basis with a range of 9 to 48 h HRT condition at ambient temperature. Throughout the whole study, COD and BOD5 removal was consistently over 90% under a broad range of organic loading conditions ranging from 0.63 to 9.72 kg/m3/d. TSS removal was also greater than 80% on average. In terms of organic removal, the SGBR system was robust to the temperature variations ranging from 10 to 29 °C. The adequate periodic backwashing consistently provided the maintenance of a head loss and the wastewater level in the reactor. Based on these results, the SGBR seems to be an excellent alternative for the required pretreatment system from the Tulare IWTP. Several benefits for IWTP could be provided by a full scale application of SGBR due to its simple design and operational advantages over conventional high rate anaerobic systems.
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Research Article|March 01 2012
Industrial wastewater treatment by on-site pilot static granular bed reactor (SGBR)
Jaeyoung Park
Jaeyoung Park
1Dept. of Civil, Constr., & Environ. Engineering, Iowa State University, Ames, IA 50011, USA. E-mail: jae99jae@iastate.edu; 5jinan@gmail.com; eevans@iastate.edu; tge@iastate.edu
E-mail: jae99jae@iastate.edu
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Jin Hwan Oh
Jin Hwan Oh
1Dept. of Civil, Constr., & Environ. Engineering, Iowa State University, Ames, IA 50011, USA. E-mail: jae99jae@iastate.edu; 5jinan@gmail.com; eevans@iastate.edu; tge@iastate.edu
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Eric A. Evans
Eric A. Evans
1Dept. of Civil, Constr., & Environ. Engineering, Iowa State University, Ames, IA 50011, USA. E-mail: jae99jae@iastate.edu; 5jinan@gmail.com; eevans@iastate.edu; tge@iastate.edu
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Michael F. Lally
Michael F. Lally
2Envirotech Systems, Inc., Lawton, IA 51030, USA. E-mail: mikelally@enviroesi.com
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Keith L. Hobson
Keith L. Hobson
3FOX Engineering, Ames, IA 50010, USA. E-mail: klh@foxeng.com
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Timothy G. Ellis
Timothy G. Ellis
1Dept. of Civil, Constr., & Environ. Engineering, Iowa State University, Ames, IA 50011, USA. E-mail: jae99jae@iastate.edu; 5jinan@gmail.com; eevans@iastate.edu; tge@iastate.edu
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Water Practice and Technology (2012) 7 (1): wpt2012006.
Citation
Jaeyoung Park, Jin Hwan Oh, Eric A. Evans, Michael F. Lally, Keith L. Hobson, Timothy G. Ellis; Industrial wastewater treatment by on-site pilot static granular bed reactor (SGBR). Water Practice and Technology 1 March 2012; 7 (1): wpt2012006. doi: https://doi.org/10.2166/wpt.2012.006
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