2단 생물막 여과공정을 이용한 정수처리 특성

• Published in: 한국수처리학회지, 18(6) pp. 3 - 10
• Main Authors: 강용태, 황순주, 송근관, 강종현, 장성부
• Format: Journal Article
• Language: Korean
• Published: 한국수처리학회 30.12.2010
• Subjects: 토목공학
• ISSN: 1225-7192; 2289-0076

This study was compared with water treatment characteristics that is water treatment system of 2-stage biofilter and advanced water treatment system of sandfilter-O3/GAC. Influent water was used grit chamber effluent water of K water treatment plant in Busan. The experiments was operated pilot-plant scale for 100 days. Operating conditions were temperature 20∼29℃ and pH 6.9∼7.9. Optimal EBCT was 30 min, when EBCT changes was 10 to 40 min on biofilter process. The pre-treatment efficiency of biofilter was turbidity 90.0%, color 91.2%, KMnO4 consumption 81.1%, CODMn 91.5%, NH4+-N 92.2%, UV254 71.0%, DOC 54.5%. The comparative analysis on water treatment characteristics was made between 2-stage biofilter and sandfilter-O3/GAC. As a result, 2-stage biofilter was identified about 1∼5% higher efficiency in terms of turbidity, KMnO4 comsumption, NH4+-N and UV254. In addition, 2-stage biofilter was proven more economical because of saving 66% of plant site and without using coagulants. KCI Citation Count: 0