Wastewater treatment plants (WWTPs) are a significant energy consumer, yet there are several opportunities for implementing on-site power generation systems. Within the treatment process, the high flow rate of effluent is produced and discharged to a nearby water body by gravity. Thus, hydroturbines can be utilized to generate power in such an application due to a difference in elevation and high flow rate. This paper presents a case study of introducing a hydroturbine in a WWTP in Wisconsin and evaluating the power output in addition to determining the energy savings. The WWTP considered in this study has an effluent flow rate of 190 MGD (million gallons per day) and elevation difference of 3 m (10 ft) between the final stage of treatment and the discharge point. Based on the parameters above; hubless rim-drive Kaplan type hydroturbine (RDT) is the optimal choice to be used in such an application. The RDT is designed and optimized by using in-house code. A computational fluid dynamics (CFD) software is applied to evaluate the performance of the proposed model, and the system is simulated through homer software to validate the results generated by the CFD. The expected savings is estimated to be 1564 MWh/yr.
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June 2019
Research-Article
Utilization of Hydroturbines in Wastewater Treatment Plants
Ahmad I. Abbas,
Ahmad I. Abbas
Mechanical Engineering Department,
University of Wisconsin-Milwaukee,
3200 N. Cramer Street, Room 775,
Milwaukee, WI 53211
e-mail: aiabbas@uwm.edu
University of Wisconsin-Milwaukee,
3200 N. Cramer Street, Room 775,
Milwaukee, WI 53211
e-mail: aiabbas@uwm.edu
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Mohammad D. Qandil,
Mohammad D. Qandil
Mechanical Engineering Department,
University of Wisconsin-Milwaukee,
Milwaukee, WI 53211
e-mail: mdqandil@uwm.edu
University of Wisconsin-Milwaukee,
3200 N. Cramer Street, Room 775
,Milwaukee, WI 53211
e-mail: mdqandil@uwm.edu
Search for other works by this author on:
Muhannad R. Al-Haddad,
Muhannad R. Al-Haddad
Mechanical Engineering Department,
University of Wisconsin-Milwaukee,
Milwaukee, WI 53211
e-mail: alhadda3@uwm.edu
University of Wisconsin-Milwaukee,
3200 N. Cramer Street, Room 775
,Milwaukee, WI 53211
e-mail: alhadda3@uwm.edu
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Mandana S. Saravani,
Mandana S. Saravani
Mechanical Engineering Department,
University of Wisconsin-Milwaukee,
Milwaukee, WI 53211
e-mail: sheikhz2@uwm.edu
University of Wisconsin-Milwaukee,
3200 N. Cramer Street, Room 775
,Milwaukee, WI 53211
e-mail: sheikhz2@uwm.edu
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Ryoichi S. Amano
Ryoichi S. Amano
Fellow ASME
Mechanical Engineering Department,
University of Wisconsin-Milwaukee,
Glendale, WI 53212
e-mail: amano@uwm.edu
Mechanical Engineering Department,
University of Wisconsin-Milwaukee,
115 E. Reindl Way
,Glendale, WI 53212
e-mail: amano@uwm.edu
1Corresponding author.
Search for other works by this author on:
Ahmad I. Abbas
Mechanical Engineering Department,
University of Wisconsin-Milwaukee,
3200 N. Cramer Street, Room 775,
Milwaukee, WI 53211
e-mail: aiabbas@uwm.edu
University of Wisconsin-Milwaukee,
3200 N. Cramer Street, Room 775,
Milwaukee, WI 53211
e-mail: aiabbas@uwm.edu
Mohammad D. Qandil
Mechanical Engineering Department,
University of Wisconsin-Milwaukee,
Milwaukee, WI 53211
e-mail: mdqandil@uwm.edu
University of Wisconsin-Milwaukee,
3200 N. Cramer Street, Room 775
,Milwaukee, WI 53211
e-mail: mdqandil@uwm.edu
Muhannad R. Al-Haddad
Mechanical Engineering Department,
University of Wisconsin-Milwaukee,
Milwaukee, WI 53211
e-mail: alhadda3@uwm.edu
University of Wisconsin-Milwaukee,
3200 N. Cramer Street, Room 775
,Milwaukee, WI 53211
e-mail: alhadda3@uwm.edu
Mandana S. Saravani
Mechanical Engineering Department,
University of Wisconsin-Milwaukee,
Milwaukee, WI 53211
e-mail: sheikhz2@uwm.edu
University of Wisconsin-Milwaukee,
3200 N. Cramer Street, Room 775
,Milwaukee, WI 53211
e-mail: sheikhz2@uwm.edu
Ryoichi S. Amano
Fellow ASME
Mechanical Engineering Department,
University of Wisconsin-Milwaukee,
Glendale, WI 53212
e-mail: amano@uwm.edu
Mechanical Engineering Department,
University of Wisconsin-Milwaukee,
115 E. Reindl Way
,Glendale, WI 53212
e-mail: amano@uwm.edu
1Corresponding author.
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received September 4, 2018; final manuscript received February 17, 2019; published online April 22, 2019. Editor: Hameed Metghalchi.
J. Energy Resour. Technol. Jun 2019, 141(6): 062011 (5 pages)
Published Online: April 22, 2019
Article history
Received:
September 4, 2018
Revised:
February 17, 2019
Citation
Abbas, A. I., Qandil, M. D., Al-Haddad, M. R., Saravani, M. S., and Amano, R. S. (April 22, 2019). "Utilization of Hydroturbines in Wastewater Treatment Plants." ASME. J. Energy Resour. Technol. June 2019; 141(6): 062011. https://doi.org/10.1115/1.4042969
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