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75 THE EFFECT OF TEMPERATURE ON PERFORMANCE OF SEQUENCING BATCH REACTORS TREATING POTATO PROCESSING WASTEWATER Shannon R. Grant, Environmental Engineer Robert C. Landine, Senior Environmental Engineer Dwain R. Wilson, Laboratory Manager ADI Systems Inc. Fredericton, New Brunswick Canada Albert A. Cocci, Wastewater Treatment and Energy Specialist ADI Systems Inc. Salem, New Hampshire 03079 Peter J. McCarthy, Environmental Scientist Graham J. Brown, Senior Process Engineer Richard C. Landine, Environmental Engineer ADI Limited Fredericton, New Brunswick Canada Norbert W. Schmidtke, President Norbert W. Schmidtke & Associates Ltd Kitchener, Ontario, Canada INTRODUCTION The sequencing batch reactor (SBR) is an aerobic activated sludge process that relies on a timer controller or programmable logic controller (PLC) to vary filling, decanting, mixing, and aeration sequentially over a period of time. This creates the proper environmental conditions for various biochemical reactions involved with carbon oxidation, nitrification, denitrification and phosphorus removal to occur within a single basin, including clarification. The SBR process has several key advantages over more conventional continuous-flow systems, such as: lower capital and operating costs, higher effluent quality, greater process stability, resistance to sludge bulking, and more system flexibility and control. In addition, there is no need for external clarifiers and return sludge pumps. A further description of different aspects and advantages of the SBR process can be found in Grant et al.1, McCarthy et al.2, and Cocci et al.3 The SBR is an ideal process to apply to the treatment of biodegradable wastewaters from many industries. In the case of high-strength industrial wastewaters, such as potato processing, it is often economically feasible to precede the SBR with anaerobic treatment. ADI Systems Inc. has conducted an in-depth research study over the past few years to identify a variety of operating strategies and associated design parameters for the application of SBR technology to both raw and anaerobically pretreated industrial wastewaters. This paper will discuss the results of one specific study which focused on the impact of temperature on SBR performance for the treatment of a potato processing wastewater. Study Objective Three SBR pilot plants were set to operate at temperatures of 12°, 22° and 32°C. Each of the three reactors were run at identical loading conditions up to and including a steady-state period (a total time period of about 50 days). Following the steady-state period, loading adjustments were made to briefly observe the effects of such changes. Different loading adjustments were made for each SBR depending on the system temperature regime. 49th Purdue Industrial Waste Conference Proceedings, 1994 Lewis Publishers, Chelsea, Michigan 48118. Printed in U.S.A. 709
Object Description
Purdue Identification Number | ETRIWC199475 |
Title | Effect of temperature on performance of sequencing batch reactors treating potato processing wastewater |
Author |
Grant, Shannon R. Landine, Robert C. Wilson, Dwain R. Cocci, A. A. (Albert A.) McCarthy, P. J. (Peter J.) Brown, G. J. (Graham J.) Landine, Richard C. Schmidtke, Norbert W. |
Date of Original | 1994 |
Conference Title | Proceedings of the 49th Industrial Waste Conference |
Conference Front Matter (copy and paste) | http://e-archives.lib.purdue.edu/u?/engext,44602 |
Extent of Original | p. 709-718 |
Collection Title | Engineering Technical Reports Collection, Purdue University |
Repository | Purdue University Libraries |
Rights Statement | Digital object copyright Purdue University. All rights reserved. |
Language | eng |
Type (DCMI) | text |
Format | JP2 |
Date Digitized | 2009-12-10 |
Capture Device | Fujitsu fi-5650C |
Capture Details | ScandAll 21 |
Resolution | 300 ppi |
Color Depth | 8 bit |
Description
Title | page 709 |
Collection Title | Engineering Technical Reports Collection, Purdue University |
Repository | Purdue University Libraries |
Rights Statement | Digital copyright Purdue University. All rights reserved. |
Language | eng |
Type (DCMI) | text |
Format | JP2 |
Capture Device | Fujitsu fi-5650C |
Capture Details | ScandAll 21 |
Transcript | 75 THE EFFECT OF TEMPERATURE ON PERFORMANCE OF SEQUENCING BATCH REACTORS TREATING POTATO PROCESSING WASTEWATER Shannon R. Grant, Environmental Engineer Robert C. Landine, Senior Environmental Engineer Dwain R. Wilson, Laboratory Manager ADI Systems Inc. Fredericton, New Brunswick Canada Albert A. Cocci, Wastewater Treatment and Energy Specialist ADI Systems Inc. Salem, New Hampshire 03079 Peter J. McCarthy, Environmental Scientist Graham J. Brown, Senior Process Engineer Richard C. Landine, Environmental Engineer ADI Limited Fredericton, New Brunswick Canada Norbert W. Schmidtke, President Norbert W. Schmidtke & Associates Ltd Kitchener, Ontario, Canada INTRODUCTION The sequencing batch reactor (SBR) is an aerobic activated sludge process that relies on a timer controller or programmable logic controller (PLC) to vary filling, decanting, mixing, and aeration sequentially over a period of time. This creates the proper environmental conditions for various biochemical reactions involved with carbon oxidation, nitrification, denitrification and phosphorus removal to occur within a single basin, including clarification. The SBR process has several key advantages over more conventional continuous-flow systems, such as: lower capital and operating costs, higher effluent quality, greater process stability, resistance to sludge bulking, and more system flexibility and control. In addition, there is no need for external clarifiers and return sludge pumps. A further description of different aspects and advantages of the SBR process can be found in Grant et al.1, McCarthy et al.2, and Cocci et al.3 The SBR is an ideal process to apply to the treatment of biodegradable wastewaters from many industries. In the case of high-strength industrial wastewaters, such as potato processing, it is often economically feasible to precede the SBR with anaerobic treatment. ADI Systems Inc. has conducted an in-depth research study over the past few years to identify a variety of operating strategies and associated design parameters for the application of SBR technology to both raw and anaerobically pretreated industrial wastewaters. This paper will discuss the results of one specific study which focused on the impact of temperature on SBR performance for the treatment of a potato processing wastewater. Study Objective Three SBR pilot plants were set to operate at temperatures of 12°, 22° and 32°C. Each of the three reactors were run at identical loading conditions up to and including a steady-state period (a total time period of about 50 days). Following the steady-state period, loading adjustments were made to briefly observe the effects of such changes. Different loading adjustments were made for each SBR depending on the system temperature regime. 49th Purdue Industrial Waste Conference Proceedings, 1994 Lewis Publishers, Chelsea, Michigan 48118. Printed in U.S.A. 709 |
Resolution | 300 ppi |
Color Depth | 8 bit |
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