생물활성탄 유동상법에 의한 상수원수의 생물학적 전처리공정

• 영문명: Pretreatment by the Process of BAC Fluidized Bed to produce the Biologically Stable Drinking Water
• 발행기관: 한국환경보건학회
• 저자명: 우달식 남상호
• 간행물 정보: 『한국환경보건학회지』제24권 제1호, 38~46쪽, 전체 9쪽
• 주제분류: 공학 > 환경공학
• 파일형태: PDF
• 발행일자: 1998.03.30

영문 초록

This study was to investigate the effects of carbon loadings, temperature and expansion ratio on the waterborne organic removal by the biologically active GAC fluidized bed on a laboratory scale. The raw water to be treated comes from midstream of Han river. BACFB(Biological Activated Carbon Fluidized Bed) process was very effective to remove the biodegradable fraction of dissolved organic matter. The more carbon weighed, the more DOC removed in a range from 16.7 to 133.3 g/l. DOC and UV$_{254}$ were removed more than 40% and 20% above 20$\circ$C respectively. Between 5$\circ$C and 10$\circ$C, DOC and UV$_{254}$ were eliminated about 30% and 15% respectively. In general, even if the temperature was higher, DOC removal was a little sensitive, probably influenced by GAC s residual adsorption capacity. UV$_{254}$ reduction was little fluctuated in accordance with water temperature. The gradual increase in expansion ratio from 10% to 75% didn t greatly affect on the removal of DOC and UV$_{254}$. The expansion ratio, therefore, is not a key factor over the critical expansion ratio.

키워드

Dessolved organic carbon UV BAC fluidezed bed Expansion ratio Carbon loading