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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Korean Chemical Engineering Research
Journal Basic Information
Journal DOI :
The Korean Institute of Chemical Engineers
Editor in Chief :
Volume & Issues
Volume 4, Issue 3 - Dec 1966
Volume 4, Issue 2 - Aug 1966
Volume 4, Issue 1 - Apr 1966
Selecting the target year
공업용수에 대한 제문제
An, Dong-Hyeok ;
Korean Chemical Engineering Research, volume 4, issue 3, 1966, Pages 153~153
Choe, Yeong-Park ;
Korean Chemical Engineering Research, volume 4, issue 3, 1966, Pages 156~156
순환식냉각수계의 수질분석치에 관하여
Gwon, Seok-Myeong ;
Korean Chemical Engineering Research, volume 4, issue 3, 1966, Pages 160~160
냉각용수 관리에 있어서의 몇 가지 문제점과 그 대책 (호남비료 나주공장의 경우를 중심으로)
Kim, Yeong-Gyun ;
Korean Chemical Engineering Research, volume 4, issue 3, 1966, Pages 163~163
Hydraulic Performance of the Perforated Tray Tower
Choi, Ung ; Rhim, Han-Nong ;
Korean Chemical Engineering Research, volume 4, issue 3, 1966, Pages 170~170
In this paper, a six-inch cylindrical column was used to study a certain hydraulic characteristic of the perforated trays in air-water system. To obtain better understanding about the effect of the liquid head on the performance, two types of experiment were used: in one type(A) the liquid was supplied into the test column from the constant head tank; in the other type(B) it was flowed in through the downcomer and out over the outlet weir as in usual industrial usage. The various kind of the trays used are shown in Table 1 and the equivalent liquid height varied up to 20 cm in the Type A. Time averaged air flow rate covered the range upto
and water rate upto
. In these experiments we observed the froth layer and correlated the total pressure drop, relative froth density, etc.
The Effective Thermal Conductivity of Packed Beds
Lee, Won-Kuk ; Whangbo, Han ;
Korean Chemical Engineering Research, volume 4, issue 3, 1966, Pages 177~177
Using some simplified models, the effective thermal conductivity of two phase media is expressed as a series-parallel combination of the individual solid and gas conductivity. The contact point conductivity of a packed bed of sphere is presented as a function of the sphere diameter and the fraction of parallel conduction of the void is calculated as a function of porosity of the bed. An attempt was also made to account for the contribution of the contact point conductivites with electrical analog measurements.
A Study on the Adsorptivity of Active Carbon III Relation between the Ash Content of Peat and Adsorptivity
Kim, Beung-Wook ; Kim, Chi-Dong ; You, Man-Hyung ; Kim, Sang-Ryul ;
Korean Chemical Engineering Research, volume 4, issue 3, 1966, Pages 183~183
These experiments were carried out to find the possibility of use of peat as the raw material of active carbon. Peat was fractionated by flotation. Each fraction then varied in composition from the high-peat to the high-ash end. These samples were carbonized and activated. The adsorptivity of these active carbon thus produced was tested by methylene blue. caramel, permanganate, and iodine test. When ash content is decreased, good decolorizing carbon can be made from peat. The lower the ash of peat, the better the results to be expected.
Reduction of Iron Ore by the Fluidized-Mixed Bed -Kinetics of Reduction of Iron Ore-
Namkoong, Shik ; Yoo, Kyong-Ok ;
Korean Chemical Engineering Research, volume 4, issue 3, 1966, Pages 187~187
Reduction of domestic iron ore by carbon mono-oxide was studied. It was found that reduction rate of iron ore follows first order consecutive reaction.
On the Gassification Rate of Anthracite Coal Abundant in Ash
Yoo, Chong-Ki ; Cho, Dong-Man ;
Korean Chemical Engineering Research, volume 4, issue 3, 1966, Pages 193~193
gas and steam, gassification rate of anthracite coal containing various of ashes were measured. The reaction of
in this work is followed the rate of chemical reaction, and was expressed as two stage reaction like M. A. Mayer's work.
Preparation of Organic Acids by the Oxidation of Korean Anthracite under High Pressure and Temperature
Sung, Chwa-Kyung ; Choi, Kyu-Suck ; Kim, Gae-Yong ; Park, Song-Kook ;
Korean Chemical Engineering Research, volume 4, issue 3, 1966, Pages 198~198
Several studies have shown that bituminous coal can be used for the production of organic acids especially aromatic carboxylic acids, through oxidation. This research is concerned with the Korean anthracite could be used for the same purpose. In case of Changsung anthracite the maximum yield was obtained when the coal was oxidized for 100 minutes at the reaction temperature of
under the oxygen pressure of 880 psig. In addition, six other kinds of anthracite were also tested. Among those Yongwol anthracite which showed the best yield, yielded about 40% of water soluble organic acids on the amount of pure coal excluded moisture and ash. It was also shown that the organic acid yield is not related with the proximate analytical value of coal but with the structure of coal or reactivity of coal, and the organic acids produced were identified as benzene polycarboxylic acids by esterification and I. R. Spectra.
Application of Gas-Solid Fluidized Bed to Drying
Namkoong, Shik ; Paik, In-Gee ;
Korean Chemical Engineering Research, volume 4, issue 3, 1966, Pages 203~203
In the drying of food, diffusivity of moisture in the food varies with time according to the local change of the degree of drying. However, for the design of drying operation the quantitative relation between the degree of drying and the time of operation might be correlated experimentally. In this work, for various dimensions and the shape of the sample, it is realized that, the measurement of local diffusivity constant as a function of moisture content of the sample by Wakabayashi's method enable the calculation of correlation between the degree of drying vs time through certain simplifications on the solution of Fick's second law. Experiments were carried out for the cubic, rectangular, spherical and cylindrical "potato" sample, and the above mentioned approaches were seemed to be successful within the relative error of 10 to 30 %.
The Measurement of Specific Surface Area by Gas Chromatography
Namkoong, Shik ; Ha, Baik-Hyon ; Bae, Hyo-Kwang ; Ko, Moo-Song ;
Korean Chemical Engineering Research, volume 4, issue 3, 1966, Pages 211~211
Specific surface areas of various catalysts were measured by B. E. T. method and by gas chromatography of acetone desorption-curve method and discussed about their measuring methods and results. The results of both B. E. T. method and gas chromatography show good agreement. It was also found that there was proportionality between A. A. I. and specific surface area, but that it is impossible to use A. A. I. as a index of surface area for the range of small specific surface area.
공업 표준화와 품질관리
Sin, Yong-Baek ;
Korean Chemical Engineering Research, volume 4, issue 3, 1966, Pages 216~216