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Phosphorus Removal in Pilot Plant Using Biofilm Filter Process from Farm Wastewater
차월석,Sung-Euy Shin,DuBok Choi,Choon-Boem Lee 한국생물공학회 2006 Biotechnology and Bioprocess Engineering Vol.11 No.4
Various environmental conditions affecting total phosphorus removal from farm wastewater in a biofilm filter process were investigated using loess balls and Chromobacterium LEE-38 at a pilot plant. When Chromobacterium LEE-38 was used, the removal efficiency of total phosphorous was approximately 10- or 5-fold higher than that of Acinetobacter CHA-2-14 or Acinetobacter CHA-4-5, respectively. When a loess ball of 11~14 mm manufactured at a 960°C calcining temperature was used, the removal efficiency of total phosphorous was 90.0%. When 70% of the volume fraction was used, the maximum efficiency of total phosphorus removal was 93.1%. Notably, when the initial pH was in the range of 6.0 to 8.0, the maximum removal efficiency of total phosphorus was obtained after 30 days. When the operating temperature was in the range of 30 to 55°C, the maximum removal efficiencies of total phosphorus, 95.6 to 94.6%, were obtained. On the other hand, at operating temperatures below 20°C or above 40°C, the removal efficiency of total phosphorous decreased. Among the various processes, biofilm filter process A gave the highest removal efficiency of 96.4%. Pilot tests of total phosphorus removal using farm wastewater from the biofilm filter process A were carried out for 60 days under optimal conditions. When Acinetobacter sp. Lee-11 was used, the average removal efficiency in the p-adsorption area was only 32.5%, and the removal efficiencies of chemical oxygen demand (COD) and biological oxygen demand (BOD) were 56.7 and 62.5%, respectively. On the other hand, when Chromobacterium LEE-38 was used, the average removal efficiency was 95.1%, and the removal efficiencies of COD and BOD were 91.3 and 93.2%, respectively.
Phosphorus Removal in Pilot Plant Using Biofilm Filter Process from Farm Wastewater
Shin, Sung-Euy,Choi, Du-Bok,Lee, Choon-Boem,Cha, Wol-Suk The Korean Society for Biotechnology and Bioengine 2006 Biotechnology and Bioprocess Engineering Vol.11 No.4
Various environmental conditions affecting total phosphorus removal from farm wastewater in a biofilm filter process were investigated using loess balls and Chromobacterium LEE-38 at a pilot plant. When Chromobacterium LEE-38 was used, the removal efficiency of total phosphorous was approximately 10- or 5-fold higher than that of Acinetobacter CHA-2-14 or Acinetobacter CHA-4-5, respectively. When a loess ball of $11{\sim}14mm$ manufactured at a $960^{\circ}C$ calcining temperature was used, the removal efficiency of total phosphorous was 90.0%. When 70% of the volume fraction was used, the maximum efficiency of total phosphorus removal was 93.1%. Notably, when the initial pH was in the range of 6.0 to 8.0, the maximum removal efficiency of total phosphorus was obtained after 30 days. When the operating temperature was in the range of 30 to $55^{\circ}C$, the maximum removal efficiencies of total phosphorus, 95.6 to 94.6%, were obtained. On the other hand, at operating temperatures below $20^{\circ}C$ or above $40^{\circ}C$, the removal efficiency of total phosphorous decreased. Among the various processes, biofilm filter process A gave the highest removal efficiency of 96.4%. Pilot tests of total phosphorus removal using farm wastewater from the biofilm filter process A were carried out for 60 days under optimal conditions. When Acinetobacter sp. Lee-11 was used, the average removal efficiency in the p-adsorption area was only 32.5%, and the removal efficiencies of chemical oxygen demand (COD) and biological oxygen demand (BOD) were 56.7 and 62.5%, respectively. On the other hand, when Chromobacterium LEE-38 was used, the average removal efficiency was 95.1%, and the removal efficiencies of COD and BOD were 91.3 and 93.2%, respectively.
단미음료제(單味飮料劑)를 통한 소갈(消渴)의 치료(治療)에 관한 고찰(考察)
박춘하,위통순,김용성,이경환,Park Choon-Ha,Wei Tung-Sheun,Kim Yong-Sung,Lee Kyung-Hwan 대한한의학방제학회 2002 大韓韓醫學方劑學會誌 Vol.10 No.2
In Oriental medicine, So-gal(消渴) is similar to Diabetes Mellitus in the symptoms. In the medical treatment of So-gal(消渴), one kind of herb medicine is recorded in ancent medicine literatures. That herb medicine is a juice of vegetable drunken with herb medicine of So-gal(消渴). Milk(牛乳汁), human milk(人乳汁), gam-ja-jup(甘蔗汁), wo-jul-jup(藕節汁), li-jup(梨汁), sang-gang-jup(生薑汁) etc. is that. In that juices, Milk(牛乳汁), human milk(人乳汁), gam-ja-jup(甘蔗汁), wo-jul-jup(藕節汁), li-jup(梨汁) have sweety tastes, and cold nature. So they cure So-gal(消渴) come from dry and hot nature. Sang-gang-jup(生薑汁) is different with others in the taste and nature that sweety and hot taste and hot nature. Sang-gang-jup(生薑汁) cure the sequela of So-gal(消渴) by his hot nature. We think In Diabetes Mellitus, that juice can be used by drink for the treatment of diet because of simility between So-gal(消渴) and DM.
Effect of Nicotinic Acid on Fresh Semen Characteristics in Miniature Pigs
Yeon-Ju Lee,Sang-Hee Lee,Eunsong Lee,Seung Tae Lee,Hee-Tae Cheong,Boo-Keun Yang,Seunghyung Lee,Choon-Keun Park 한국수정란이식학회 2014 한국동물생명공학회지 Vol.29 No.4
Objective of this study was to investigate the effect of nicotinic acid (NA) on the characteristics in fresh semen of miniature pig. We evaluated viability, acrosome reaction and mitochondrial integrity of sperm on 0, 3, 7 and 10 days during storage period with nicotinic acid. As results, the survival rate of sperm in 15 mM NA (day 3, 87.8 ± 1.2%; day 5, 84.0 ± 2.7%; day 7, 82.2 ± 0.9%) and 30 mM NA (day 3, 87.7 ± 0.3%; day 5, 84.4 ± 2.5%; day 7, 82.3 ± 0.7%) groups were higher than control and 5 mM NA groups in 3, 7 and 10 days of semen storage. The NA-treated sperm on 10 day was used day for observing acrosome integrity. The survival sperm with acrosome reaction was higher in 30 mM NA group (day 3, 2.7 ± 0.2%; day 5, 3.3 ± 0.6%; day 7, 11.4 ± 0.3%) than in the control, significantly (P<0.05). Moreover, the live sperm with mitochondrial integrity was higher in whole treatment groups of NA than control group, significantly (P<0.05). Specially, most mitochondrial integrity on 10 day of semen storage was significantly higher in 30 mM NA group (90.2 ± 1.6%) than other treatment groups (control, 81.8 ± 3.1%; 5 mM NA, 83.4 ± 3.0%; 15 mM NA, 89.1 ± 0.7%, P<0.05). In conclusion, supplement of NA in liquid semen of miniature pig can improve and maintain semen quality, such as viability, acrosome reaction, and mitochondria integrity.
Estimation of Normal Variance Considered Prior Information
Lee, Sang-do,Lee, Dong-choon,Park, Ki-joo The Korean Society for Quality Management 1989 품질경영학회지 Vol.17 No.2
In this paper we present the shrunken testing estimator for the variance of normal population and we find the condition that can be used in seeking the situations in which the proposed estimator is superior to the minimum variance unbiased estimator.
Lee, Won-Bin,Kwon, Hak-Cheol,Chol, Ock-Ryun,Lee, Kang-Choon,Choi, Sang-Un,Baek, Nam-In,Lee, Kang-Ro The Pharmaceutical Society of Korea 2002 Archives of Pharmacal Research Vol.25 No.5
Five terpenes (1~5), three fatty acids (6~8), two sterols (9 and 11), and a monogalactosyldiacyl glycerol (10) were isolated from the methylene chloride extract of the aerial part of Cirsium setidens. Their chemical structures were determined to be $\alpha$-tocopherol (1), 25-hydroperoxycycloart-23-en-3$\beta$-o1 (2), 24-hydroperoxycycloart-25-en-3$\beta$-o1 (3), mokko lactone (4), transphytol (5), 9, 12, 15-octadecatrienoic acid (6), 9, 12-octadecadienoic acid (7), hexadecanoic acid (8), acylglycosyl $\beta$-sitosterol (9), (2R)-1, 2-O-(9z, 12z, 15z-dioctadecatrienoyl)-3-O-$\beta$-D-galactopyranosyl glycerol (10) and $\beta$-sitosterol glucoside (11) by spectral evidences. Compound 3 exhibited significant cytotoxic activity against five human cancer cell lines with its $ED_{50}$ values ranging from 2.66 to 11.25 $\mu$M.