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Main Title Evaluation and documentation of mechanical reliability of conventional wastewater treatment plant components /
Author Shultz, David W., ; Parr, Van B.
Other Authors
Author Title of a Work
Parr, Van B.,
CORP Author Southwest Research Inst., San Antonio, TX.;Municipal Environmental Research Lab., Cincinnati, OH.
Publisher Municipal Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency,
Year Published 1982
Report Number EPA-600/2-82-044; EPA-68-03-2712; PB82227539
Stock Number PB82-227539
OCLC Number 15472076
Subjects Sewage disposal plants--Equipment and supplies
Additional Subjects Sewage treatment ; Equipment ; Performance evaluation ; Activated sludge process ; Pumps ; Values ; Compressors ; Trickling filtration ; Rotating biological contactors
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
ELBD ARCHIVE EPA 600-2-82-044 AWBERC Library/Cincinnati,OH 07/22/2021
NTIS  PB82-227539 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation viii, 137 pages ; 28 cm
This study was initiated to determine the in-service reliability, maintainability and availability of selected critical wastewater treatment plant components. Components were considered critical if their failure caused an immediate impact on effluent quality. Treatment plant components selected included pumps, power transmissions, motors, compressors, valves, and controls. Components were those from four types of wastewater treatment plants. The four types of plants were air activated sludge, oxygen activated sludge, trickling filter, and rotating biological contactor (RBC). Operation and maintenance data obtainde drom nine operating plants were used to estimate failure rates, mean-time-between-failures, mean-time-to-repair, and availability for each component. These performance statistics are by component type, size range, and application. Performance statistics were calculated from operating data for 119 pumps, 249 power transmissions, 285 motors, 17 compressors, 13 valves, and 269 controls. Calculated performance statistics can be utilized by design engineers and plant operators to assist in the selection of new equipment. The development of a performance data base and subsequent proper utilization of the data should result in improvements in treatment plant performance. These data allow estimates to be made of performance to be expected from certain equipment in certain applications.
"March 1982." "Contract No. 68-03-2712." "EPA-600/2-82-044." "PB82-227539." "Project Officer Jon Bender."