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오광중,김병조,최원준,이강우 부산대학교 환경문제연구소 2001 環境硏究報 Vol.19 No.-
As the subject of study, we adopted the Sung-am waste landfill in Ulsan metropolitan city, and investigated the ingredient and density of LFG and the developing speed by compulsory extract, the characteristics of developing gas in Sung-am waste landfill, and then we calculate the amount of gas from the effect radius by extract. As results of, the whole conditions of resolution in Sung-am waste landfill showed 4th step of waste resolution, conditions of unaerobic resolution, they processed normal and smooth. The average concentration of three wholes(No. 25, 31, 36), completed filling-up recently, showed 14.6% in CH_4, 16.4% in CO_2, 5.7% in O_2, they were the 1st step of waste resolution, arising aerobic resolution. And, in comparison with results used by MP model, E-Plus model and the real measure of developing quantity in 2000, we judged the presumption based on MP model is more stable.
중유회분으로부터 바나듐 회수를 위한 침출영향에 관한 연구
오광중 울산과학대학 1982 연구논문집 Vol.7 No.1
본 연구의 목적은 중유회분(Boiler slag)으로부터 바나듐을 회수하는 효율적인 조건을 제시하는 것이다. 중유회분을 습식분쇄, 입도시험 및 침출시험을 거쳐 바나듐 회수를 최대화할 수 있었다. 침출시험에서는, 침출온도 95℃, 침출시간 60분, pH.2, 펄프밀도 50%일 때 90%가량의 바나듐 회수율을 얻었다. The objective of this study is to present an efficient condition for recovering vanadium values from the fuel oil Ash. It was found that the Ash processing should be conducted on wet grinding, particle size test and leaching test for the maximum vanadium recovery from fuel oil ash. In leaching test, 90% of elemental vanadium was recovered from the fuel oil ash at leaching temp. of 95℃ leaching time of 60 min., pH. 2 and pulp density of 50%.