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CHLORINECELL에 의한 染色廢水의 電解處理에 관한 硏究
박정호,박승조,임찬섭 東亞大學校生命資源科學大學附設 農業資原硏究所 1996 農業生命資援硏究 Vol.5 No.1
Electrolytic treatment of dyeing wastewater by CHLORINECELL The objective this study was to investigate the feasibility for electrolytic treatment of dyeing wastewater. The experimental results are summarized as follows. 1. In case of the electrolytic treatment for dyeing raw wastewater at current density of 1.82A/㎠ and 15 minutes electrolysis duration, It was found that the COD removal efficiency and color were 31% and 280, respectively. 2. In case of the electrolytic treatment for NaCl added with dyeing raw wastewater at current density of 1.82A/㎠ and 15 minutes electrolysis duration, It was found that the COD removal efficiency and color were 59% and 230, respectively.
京畿西部地域 乳牛의 牛白血病 抗體陽性率에 대한 調査硏究
林贊燮,金泰鍾 건국대학교 동물자원연구센터 1992 動物資源硏究誌 Vol.17 No.-
This survey was carried out to detect the bovine leukosis virus antibody from 223 dairy cattle rearing in Western Kyeonggi area by the agar gel immunodiffusion test using bovine leukosis virus(BLV) glyco-protein antigens. Lymphocytes rates for total white blood cell(WBC) in the BLV antibody positive cattle were also determined with the blood cell analyzer and blood smear stained with Giemsa's standing. The results obtained from this survey were as follows : 1. The overall positive rate was 15.70% in 223 heads surveyed. 2. The infection rate was various depending on the surveyed area, 7.50% (3 heads out of 40 heads surveyed) in Incheon, 4.84%(3 heads out of 62 heads surveyed) in Northern Kimpo, 22.97%(17 heads out of 74 heads surveyed) in Southern Kimpo and 25.53%(12 heads out of 47 heads surveyed) in Siheung area. 3. In the hematological findings, lymphocytes rate(above 70%) for total WBC in the 35 BLV antibody positive cattle was observed at 11 heads(31.43%).
김성우,임찬섭,박정호,성낙창,박승조 동아대학교 환경문제연구소 1996 硏究報告 Vol.19 No.1
This study has been carried out to measuring the biodegradability and toxicity of dyes chemnical factory wastwwater for anaerobic treatment. The experiment consisted of batch test pilot plant test. The results are as follows 1. Biodegradability assays were conducted at two assay concentration for 2gCOD and 5gCOD tat BMP are respectively 0.23㎥CH₄/ ㎏.COD, 0.16㎥CH₄/㎏.COD respresents the noninhibited bioconversion efficency also MRR were 1.080 and 0.959 represented. 2. In pilot plant experiment, COD removal efficency are up 65% represented according to changing COD loading rate from 0.15㎏COD/㎥.d to 2.6㎏COD/㎥.d 3. Alkalinity and Volatile, VA/Alkalinity as chemical factor of anaerobic was 1070∼1700㎎/ℓ, 30∼150g/ℓ and 0.02∼0.09 respectively. 4. According to changing COD loading rate from 0.15㎏COD/㎥.d to 2.6㎏/COD/㎥.d the methane gas production was 0.20~0.23]㎥ CH₄/㎏.COD_(rem)
Rumen 微生物에 의한 製紙 슬러지의 嫌氣性消化 特性
朴勝祚,林燦燮,安尙俊 동아대학교 환경문제연구소 1995 硏究報告 Vol.18 No.2
Correlation of hydrolysis rate, total solid content and Volatile fatty acid yield in anaerobic digestion of papermil1 sludge using Rumen microorganisms and conventional acidlogenesis were summarized as follows ; 1. Ultimate volatile fatty acid yield and hydrolysis rate produced by rumen microorganisms and conventional acidogenesis were about 7.2megVFA/gVS. 0.175-1 and 6.8meqVFA/gVS, 0.103d-1. Therefore, hydrolysis rate by rumen microorganisms was 1.7times faster than that of conventional acidogenesis. 2. During the operating, VFA composition ratios(%) produced by rumen microorganisms were acetate:propionate:butyrate=64=5: 27±7: 9±2. At 5,10,13 and 6.83meqVFAg/VS, respectively. 3. When effluents produced by MAR and RMR were anaerobically digested, methane yields were 0.27 and 0.29 ℓ CH₄/gCOD_(rem) respectively.