음식물쓰레기의 고온 혐기성 소화도에 미치는 요소에 대한 분석

• 발행기관: 유기성자원학회
• 저자명: 김도희(Do Hee Kim) 현승훈(Seung Hoon Hyun) 김경웅(Kyung Woong Kim) 조재원(Jaeweon Cho) 김인수(In S. Kim)
• 간행물 정보: 『유기물자원화』제8권 제2호, 130~139쪽, 전체 10쪽
• 주제분류: 공학 > 환경공학
• 파일형태: PDF
• 발행일자: 2000.06.30

영문 초록

Serial basic tests were conducred for the dererrnination of fundamental kinerics and for the actual application of kineric parameter to food wasre digesrion with precise measurement of methane production under a thermophilic condition. The effecrs of food particle size, sodium ion concentration, and volarile 5이id (VS) loading rare on rhe anaerobic thermophilic food wasre digesrion process were investigared. Results of serial test for the determination of fundamental kinetic coefficients showed the value of k (maximum subsrrare utilizatÎon rare coefficient) and KS (h빠 saturarion coeffìcient) as 0.24 hr-1 and 700 mg/l, respectively, for non-inhibiting organic loading range. No inhibition effect was shown untiI 5 g/l of sodium ion concentration was applied to a serum bottle reactor. However, the volume of mεthane gas was decreased gradually when the concentrations of more than 5 g/l of sodium ion applied. All sizes of food waste particle showed the same consranrs (A : 0.45) but the maximum subsrrare utilizatÎon rate constam (kHA) was inversely proportional to particle size. As an average particle size increased from 1.02 mm to 2.14 mm, kHA decreased from 0.0033 hr-1 to 0.0015 hr-1. The resulr reveals thar particle size is one of the mosr important factors in anaerobic food wasre digestion. There was no inhibition effect of sodium ion when VS loading rare was 30 g/ l. And maximum injection concentration of VS loading rare was derermined about 40 g/l.

목차

1. 서 론

2. 실험재료 및 방법

3. 실험결과 및 고찰

4. 결론

키워드

음식폐기물 고옹 혐기성 소화 입자크기 가수분해 food waste thermophilic anaerobic digestion parricle sizes hydrolysis