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육찬남(Chan-Nam Yook),김정수(Jung-Soo Kim),한광수(Kwang-Soo Han) 대한환경위생공학회 2003 대한환경위생공학회지 Vol.18 No.3
To obtain the preliminary design data for combustion of paper sludges, decomposition characteristics and combustion kinetics of paper sludges reactor have been determined in a TGA reactor. Also, the combustion characteristics of paper sludges have been determined in a fluidized bed reactor.<br/> The data obtained from the TGA reactor indicate that de watering of paper sludge is terminated at temperature below 130℃. With heating rate of 20°C/min, combustion is terminated at temperature below 340℃. The combustion rate is found to be first order with respect to temperature and oxygen concentration.<br/> Activation energies for paper wastes are found to be 570, 700, 2600, 4600 Kcal/mole, respectively. The calcination conversions were investigated with the operating temperature and residence time. In this investigation. it was found that calcination conversion was affected by the operating temperature and residence time. The optimum conditions of operating temperature and mean residence time were 850℃ and 6 minutes of respectively.
Department of Chemistry, Graduate School,Wonkwang university
Baek,Seung Hwa,Yook,Chan Nam,Park,Jae Heung,Kim,Young Ok 圓光大學校 1995 論文集 Vol.29 No.2
18-crown-6존재하에 메타-염화과벤조산과 금속 할로겐화물과 함께 Δ9-tetrahydrocannabinol과 2-cyclohex-2-enyl-5-pentylbenzene-1,3-diol을 간편한 할로겐화 반응으로 합성할 수 있었다.
(±)-6a, 7-Dihydro-1-hydroxy-6, 6-dimethyl-3-pentyl-6H-dibenzo [b,d] pyran-9(8H)-one의 염소화 반응에 관한 연구
홍기운,육찬남,백승화 圓光大學校 1991 論文集 Vol.25 No.2
(±)-6a, Dihydro-1-hydroxy-6, 6-dimethyl-3-pentyl-6H-dibenzo[b,d] pyran-9[8H]-one의 염소화 반응은 metal halide와 함께 18-crown-6존재하에m-chloroperbenzoic acid에 의해 산화반응이 일어났다. 이 반응계에서는 염소화 반응이 방향족 고리에만 선택적으로 일어났다. (±)-6a, 7-Dihydro-1-hydroxy-6, 6-dimethyl-3-pentyl-6H-dibenzo [b, d]pyran-9(8H)-one has been chlorinated in the aromatic ring with metal halide in the presence of 18-crown-6 on oxidation with m-chloroperbenzoic acid. This reagent system effects the regiospecific chlorination of activated aromatic ring over olefinic double bond.
曺在興,陸燦男 조선대학교 기초과학연구소 1987 自然科學硏究 Vol.10 No.1
Crystallization of PET copolymers with some comonomers were studied by differential scanning calorimetry and densitometry. The results as follows; (1) Crystallinities of PET were increased with increasing the densities of the PET copolymers. (2) Crystallization was delayed with increasing the viscosities of PET copolymers. (3) Crystallization temperature were decreased with increasing the mole percent of copolymers used.
A Simple and Convenient Method for the Synthesis of Cannabinoids
Baek, Seung-Hwa,Kim, Young-Ok,Yook, Chan-Nam,Kim, Young-Chae 圓光大學校 1994 論文集 Vol.28 No.2
BF₃etherate촉매하에 네롤과 오르시놀, 오리비톨의 반응으로 카나비노이드 이성질체를 합성할 수 있다. Isomerization of the adduct derived from reaction of olivetol and orcino with nerol(1) in the presence of BF₃etherate affords cannabinoid derivatives.