하수처리장의 총인 처리과정에서 발생되는 슬러지의 특성

Title
하수처리장의 총인 처리과정에서 발생되는 슬러지의 특성
Other Titles
Characteristics of Sludge Generated from the Total Phosphorus Removal Process of Domestic Wastewater Treatment Plant
Author(s)
서정인
Keywords
Sewage Sludge; Total phosphorus; Aluminum; Chemical sludge; Digested sludge
Issue Date
201410
Publisher
한국수처리학회
Citation
한국수처리학회지, v.22, no.5, pp.111 - 118
Abstract
This study was carried out for sewage sludges generated from digestion tank and total phosphorus removal process in 5 municipal wastewater treatment plants in D city to investigate characteristics of dewatered sewage sludges. Aluminum, Fe and total phosphorus(T-P) were dominant component in the chemical sludge generated from total phosphorus removal process(CS) with 15~22%, 1.6~2.3% and 0.17~1.89% in mass. The other principal chemical components were Mn, Cu, Zn and Ni with 0.02~0.96% in mass. And aluminum contents of CS was in the range of 153~219 g/Kg which was 8 times higher than in digested sludge generated from digestion process. Also T-P contents of CS was about 12% of aluminum. These results showed that aluminum ions combined with not only phosphate ions, but also typical anions found in municipal wastewater.
URI
http://hdl.handle.net/YU.REPOSITORY/30540
ISSN
1225-7192
Appears in Collections:
공과대학 > 도시공학과 > Articles
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