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Chemical/ Physical and Biological Treatment Of Wool Processing Wastes LESLIE T. HATCH, Assistant Engineer Industrial Wastes and Special Studies Metcalf & Eddy, Inc., Boston, Massachusetts 02116 THOMAS N. SARGENT, Sanitary Engineer United States Environmental Protection Agency Southeast Environmental Research Laboratory Athens, Georgia 30601 DR. RONALD E. SHARPIN, Chief Industrial Wastes and Special Studies Metcalf & Eddy, Inc., Boston, Massachusetts 02116 WAYNE T. WIRTANEN, Sanitary Engineer United States Environmental Protection Agency Division of Surveillance and Analysis Technical Studies Section, Region I Needham Heights, Massachusetts 02194 INTRODUCTION The treatment of wool scouring waste has to date centered around recovery of grease because of its value in industrial processes. Treatment of wastewaters following grease recovery has been minimal. The need for further treatment has become more pressing with the increasing concern for our environment. Ambient, facultative lagoons have been used to treat the waste prior to discharge to receiving streams (1,2). Discharging to domestic sewerage systems for treatment has been recommended (3,4). Anaerobic digestion of the wool scouring waste prior to treatment along with domestic sewage at domestic trickling filter plants has also been proposed (5,6,7). In 1969 the Barre Wool Combing Company of Barre, Massachusetts, was investigating the hot acid-cracking process for grease recovery. Concurrent with this investigation, Metcalf & Eddy (M & E) was preparing a comprehensive sewer design report for the town of Barre. As part of M & E's investigation, bench scale activated sludge tests were run on the effluent from the Barre grease recovery system. Based on the favorable results of the bench studies, a program was proposed and accepted for funding by the United States Environmental Protection Agency (EPA) and the Commonwealth of Massachusetts Water Resources Commission. The objectives of this program were: 1) Develop design guidelines for a prototype plant treating wastes from a pilot scale hot acid-cracking grease recovery plant; 2) Determine the feasibility of biological treatment with 10 days' detention; 3) Determine the warm and cold weather effects on an aeration basin and stabilization lagoon; 4) Determine the effluent quality of both the aeration basin and stabilization lagoon; 5) Characterize the waste sludge produced in the biological process; 6) Determine the chlorine demand of the effluent streams; 7) Determine nutrient levels in the effluent streams; and 8) Evaluate the hot acid-cracking process grease removal efficiency. 588
Object Description
Purdue Identification Number | ETRIWC197350 |
Title | Chemical/physical and biological treatment of wool processing wastes |
Author |
Hatch, Leslie T. Sargent, Thomas N. Sharpin, Ronald E. Wirtanen, Wayne T. |
Date of Original | 1973 |
Conference Title | Proceedings of the 28th Industrial Waste Conference |
Conference Front Matter (copy and paste) | http://earchives.lib.purdue.edu/u?/engext,23197 |
Extent of Original | p. 588-603 |
Series | Engineering extension series no. 142 |
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 | 2009-06-24 |
Capture Device | Fujitsu fi-5650C |
Capture Details | ScandAll 21 |
Resolution | 300 ppi |
Color Depth | 8 bit |
Description
Title | page 588 |
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 |
Capture Device | Fujitsu fi-5650C |
Capture Details | ScandAll 21 |
Transcript | Chemical/ Physical and Biological Treatment Of Wool Processing Wastes LESLIE T. HATCH, Assistant Engineer Industrial Wastes and Special Studies Metcalf & Eddy, Inc., Boston, Massachusetts 02116 THOMAS N. SARGENT, Sanitary Engineer United States Environmental Protection Agency Southeast Environmental Research Laboratory Athens, Georgia 30601 DR. RONALD E. SHARPIN, Chief Industrial Wastes and Special Studies Metcalf & Eddy, Inc., Boston, Massachusetts 02116 WAYNE T. WIRTANEN, Sanitary Engineer United States Environmental Protection Agency Division of Surveillance and Analysis Technical Studies Section, Region I Needham Heights, Massachusetts 02194 INTRODUCTION The treatment of wool scouring waste has to date centered around recovery of grease because of its value in industrial processes. Treatment of wastewaters following grease recovery has been minimal. The need for further treatment has become more pressing with the increasing concern for our environment. Ambient, facultative lagoons have been used to treat the waste prior to discharge to receiving streams (1,2). Discharging to domestic sewerage systems for treatment has been recommended (3,4). Anaerobic digestion of the wool scouring waste prior to treatment along with domestic sewage at domestic trickling filter plants has also been proposed (5,6,7). In 1969 the Barre Wool Combing Company of Barre, Massachusetts, was investigating the hot acid-cracking process for grease recovery. Concurrent with this investigation, Metcalf & Eddy (M & E) was preparing a comprehensive sewer design report for the town of Barre. As part of M & E's investigation, bench scale activated sludge tests were run on the effluent from the Barre grease recovery system. Based on the favorable results of the bench studies, a program was proposed and accepted for funding by the United States Environmental Protection Agency (EPA) and the Commonwealth of Massachusetts Water Resources Commission. The objectives of this program were: 1) Develop design guidelines for a prototype plant treating wastes from a pilot scale hot acid-cracking grease recovery plant; 2) Determine the feasibility of biological treatment with 10 days' detention; 3) Determine the warm and cold weather effects on an aeration basin and stabilization lagoon; 4) Determine the effluent quality of both the aeration basin and stabilization lagoon; 5) Characterize the waste sludge produced in the biological process; 6) Determine the chlorine demand of the effluent streams; 7) Determine nutrient levels in the effluent streams; and 8) Evaluate the hot acid-cracking process grease removal efficiency. 588 |
Resolution | 300 ppi |
Color Depth | 8 bit |
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