http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
MASS TRANSFER OF PHENOL THROUGH SUPPORTED LIQUID MEMBRANE
Park, Sang Wook,Kaseger, Christiawaty Ferania,Moon, Jin Bok,Kim, Jong Hyun 한국화학공학회 1996 Korean Journal of Chemical Engineering Vol.13 No.6
The separation of phenol from the aqueous solution was carried out at 25℃ in a supported liquid membrane of batch type using benzene or dibenzo-l8-crown-6 as carrier in the phenol-NaOH system. The mass transfer of phenol was investigated with a theoretical model based on the mass transfer with or without chemical reaction in the stripping side. Pseudo-first-order reaction type was used to measure overall and individual mass transfer coefficients of phenol. The influence of initial concentration of carrier on overall mass transfer coefficient was found to be more significant than those of agitation speed and initial concentrations of phenol and NaOH solutions. The numerical analysis of facilitated transport of phenol through liquid membrane gave a result that the chemical reversible reaction between phenol and carrier in the liquid membrane side was fallen into the region between fast and slow reaction with the tendency to be much closer to the slow reaction region.
정은영,김종현,김영일,카세게르 C. F 동서대학교부설연구소 1997 연구소 논문집 Vol.2 No.-
The pseparation phenol from the aqueous solution was carried out at 25℃ in a supported liquid membrane of batch type using benzene or dibenzo-18-crown-6 as carrier and waster or NaOH aqueous solutions as stripping side. The mass transfer phenomenon of phenol was investigated using theoretical model based on the mass transfer with or without chemical reaction in the stripping side. Overall mass transfer coefficients of phenol were measured with the pseud대 first order reaction type, from which the individual mass transfer coefficients were obtained. No significant influence of initial concentration of phenol and NaOH solutions and of agitation speed on overall mass transfer coefficient was found, but the increase of initial concentration of carrier showed a linear increase on liquid membrane mass transfer coefficient which means that carrier played an important role in this system.
Hexadecyltrimethylammonium Bromide 상이동촉매에 의한 Acrylonitrile 의 라디칼 중합
박상욱,카세게르 페라니아 크리스티아와티,백재진,양삼석 ( Sang Wook Park,Christiawaty Ferania Kaseger,Jea Jin Baek,Sam Seoug Yang ) 한국화학공학회 1995 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.33 No.1
The phase-transfer polymerization of acrylonitrile system was investigated in a (NH₄)₂S₂O_8 aqueous-organic two-phase system with hexadecyltrimethylammonium bromide. The observed initial rates of polymerization were compared with those obtained from the polymerization mechanism proposed with a cyclic phase-transfer initiation step. The rate of polymerization was found to be proportional to the combined terms of concentrations of quaternary ammonium ion and S₂O_8^(-2) in the aqueous solution, and concentration of monomer. The rate of polymerization of acrylonitrile in the liquid-liquid heterogeneous system was interpreted with the polymerization mechanism by phase transfer catalyst applied to that by conventional initiators.