유기물자원화 (Journal of the Korea Organic Resources Recycling Association)
- 제6권1호
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- Pages.67-73
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- 1998
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- 1225-6498(pISSN)
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- 2508-3015(eISSN)
감압건조법(減壓乾燥法)을 이용(利用)한 하수(下水)슬러지처리(處理)
A Study on Sewage Sludge Treatment by Vacuum Drying Method
- Jang, Seong-Ho (Department of Environmental Eng., National Miryang Univ.) ;
- Park, Jin-Sick (Department of Environmental Eng., Dong-A Univ.) ;
- Kim, Soo-Saeng (Department of Environmental Eng., Dong-A Univ.)
- 발행 : 1998.03.30
초록
본 연구에서는 하수처리장에서 발생하는 하수슬러지의 부피를 감소시키기 위하여 감압건조법을 이용하여 반응압력, 반응시간, 반응온도에 따른 하수슬러지의 탈수효율을 조사하였다. 반응압력이 낮아질수록 슬러지의 함수율은 감소되는 경향을 보였으며, 동일한 반응압력 및 반응온도에서는 반응시간이 길어질수록 탈수효율이 상승하였고 반응온도에 따라서는
This study was to experiment, through sewage sludge treatment by Vacuum Drying Method, variation of water content with reaction pressure, reaction time, reaction temperature. The result are as follows; The water content decreased with the same reaction temperature and reaction time at lower pressure and 360~40 mmHg (a close vacuum) showed lower water content at low reaction temperature and short reaction time. The water content rapidly decreased with the same reaction pressure and time at low reaction temperature (above