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전해수,이제근 ( Hai Soo Chun,Jea Keun Lee ) 한국화학공학회 1978 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.16 No.1
Fluid-solid fluidized bed reactors may be classified by various types according to kinds of contacting of solids by fluid, operating conditions, the dynamic behaviour of the solids, or the mode of solid movement(circulation). The fluid-solid fluidized system which belong to the first(kinds of contacting of solids by fluid) divide into two categories, so-called $quot;an aggregative fluidized bed, or a bubbling fluidized bed$quot; and $quot;a particulate fluidized bed, or a homogeneously fluidized bed$quot;. The former is industrial importance for many gas-solid reactions. Many two-phase reactor models have been proposed in. an effort to predict chemical conversions in aggregative fluidized beds(or gas-fluidized beds) . In this paper the assumptions underlying these models are considered, and it is show en their characteristics of some models. In recent years a considerable amount of work has been carried out on electrodepositions, batteries and preparations of chemicals using electrochemical fluidized bed reactors(fluidized bed electrode), one of particulate fluidized beds. It is consists of a bed of conducting particles fluidized by the upward flow of electrolyte through some form of distributor and all bed-particles act as an electrode. The basic principles of the fluidized bed electrode and their characteristics are also reviewed here.
전해수,이제근 ( Hai Soo Chun,Jea Keun Lee ) 한국화학공학회 1978 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.16 No.2
In recent years some noteworthy developments and the practical applications of fluidized beds to industry have been reported as the significance of fluidized bed has been recognized more and more. In this part Ⅱ, recent advances on applied parts of fluidized beds are reviewed and characteristics of some special types will be discussed.
공업화학 촉매 / 반응공학 : 알루미늄 회전원판전극의 전기화학반응 특성
이승익(Shung Ik Lee),이재성(Jae Sung Lee),박정훈(Jung Hoon Park),박권필(Gwun Pil Park),임준혁(Jun Heok Lim),이제근(Jae Keun Lee),전해수(Hai Soo Chun) 한국화학공학회 2000 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.38 No.2
The electrochemical kinetic parameters of aluminum, that were used for the anode material of Al-air fuel cell, and related mass transfer properties were investigated. The steady-state polarization experiments with respect to concentration of KOH electrolyte and temperature were performed using aluminum-half cell with rotating disk electrode(RDE). The diffusion coefficients (∼10^(-6)㎠/s) were determined by the limiting current density data according to the Levich equation. The electrochemical kinetic parameters, exchange current density and transfer coefficient for the anodic reaction of aluminum were estimated.
소화 하수슬러지의 유동층 소각 ( 1 ) - 단단 유동층 소각특성 -
이제근,이기호,장정국,이남수,임종성,전해수 ( Jea Keun Lee,Ki Ho Lee,Jeong Gook Jang,Nam Soo Lee,Jong Sung Lim,Hai Soo Chun ) 한국화학공학회 1992 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.30 No.2
Combustion characteristics of digested sewage sludges dried in ambient condition were measured in a laboratory scale fluidized bed incinerator. In spite of the low heating value(1050 ㎉/㎏) and the high moisture content(21%) of the sludge, steady state combustion could be obtained without addition of an auxiliary fuel. Addition of bed material was not needed in the experiment. The combustion efficiency was achieved over 94% due to the high combustion rate of the sludge in the freeboard. Emissions of NO_χ, and SO₂ranged 6.1-16.2 ppm and 830-1310 ppm, respectively, in given experimental conditions.