음료제조업 잉여슬러지와 환입음료제품을 이용한 혐기성소화 - BMP TEST 중심으로 - (Study on Anaerobic Digestion of Waste Activated Sludge and Waste Bbeverages in Beverages Industry using BMP test)

서지정보

· 발행기관 : 한국폐기물자원순환학회
· 수록지 정보 : 한국폐기물자원순환학회지 / 31권 / 6호 / 654 ~ 661페이지
· 저자명 : 조재범, 최한나, 조은하, 김범수, 최미영, 박병곤

초록

The objectives of this research was to evaluate the anaerobic digestibility of waste actizvated sludge (WAS) and waste beverages in beverages manufacturing industry using BMP test under various conditions. Also, the effects of physical (ultrasonic) and biological (lactobacillus) solubilization process on anaerobic digestibility of WAS were thoroughly studied. The soluble chemical oxygen demand (SCODCr)/total chemical oxygen demand (TCODCr) ratio of WAS was 0.15 but the SCODCr/TCODCr ratio after solubilization was increased 17.5% by ultrasonic, 18.8% by lactobacillus respectively.
The results of BMP test, methane gas productivity as mixing ratio of WAS and waste beverages were 156 ml CH4/gCODCr, 164 ml CH4/gCODCr and 182 ml CH4/g CODCr, respectively 9 : 1, 8 : 2, 7 : 3 before the solubilization of WAS. As the mixing ratio of waste beverages increase, VFAs concentration and methane productivity was increased. Also, methane gas productivity as mixing ratio after the solubilization of WAS using ultrasonic and lactobacillus was increased 3.3 ~ 11.3%, 11.1 ~ 15.2% respectively. From the results, it was judged that anaerobic digestion using WAS and waste beverages could be feasible.

영어초록

The objectives of this research was to evaluate the anaerobic digestibility of waste actizvated sludge (WAS) and waste beverages in beverages manufacturing industry using BMP test under various conditions. Also, the effects of physical (ultrasonic) and biological (lactobacillus) solubilization process on anaerobic digestibility of WAS were thoroughly studied. The soluble chemical oxygen demand (SCODCr)/total chemical oxygen demand (TCODCr) ratio of WAS was 0.15 but the SCODCr/TCODCr ratio after solubilization was increased 17.5% by ultrasonic, 18.8% by lactobacillus respectively.
The results of BMP test, methane gas productivity as mixing ratio of WAS and waste beverages were 156 ml CH4/gCODCr, 164 ml CH4/gCODCr and 182 ml CH4/g CODCr, respectively 9 : 1, 8 : 2, 7 : 3 before the solubilization of WAS. As the mixing ratio of waste beverages increase, VFAs concentration and methane productivity was increased. Also, methane gas productivity as mixing ratio after the solubilization of WAS using ultrasonic and lactobacillus was increased 3.3 ~ 11.3%, 11.1 ~ 15.2% respectively. From the results, it was judged that anaerobic digestion using WAS and waste beverages could be feasible.

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