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Environmental Engineering Research 2000;5(2): 101-106.
HIGH TEMPERATURE THERMAL CHARACTERISTICS OF SEWAGE SLUDGE AND ITS ASH
Bongjin Jung1, Suckbon Koo1, and Hongki Lee2
1Department of Environmental Eng., The University of Suwon, Suwon 445-743, Korea
2National Center for Cleaner Production, Korea Institute of Industrial Technology, ChonAnsi 330-820, Korea
Corresponding Author: Bongjin Jung ,
Received: June 7, 2000;  Accepted: August 3, 2000.
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ABSTRACT
High temperature thermal treatment has been conducted for disposal of a great deal of sludge generated from sewage treatment plants. This study includes pyrolysis experiments in the range of 700 — 1000 C for a possibility of energy recovery, viscosity measurements of slag to determine optimal conditions in a melting system for treatment of ash generated from sewage sludge, and slag leaching test for environmentally safe reutilization of slag generated from melting of ash which is residue of incineration of sewage sludge.
Keywords: sewage sludge | pyrolysis | sulfur gases | ash melting | viscosity of slag
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