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Experimental technique for kinetic study of hydrogenation of fatty acid methyl esters in vapor phase
Author(s) -
Lidefelt J. O.
Publication year - 1983
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02679793
Subject(s) - chemistry , catalysis , analytical chemistry (journal) , volume (thermodynamics) , activation energy , reaction rate , thermodynamics , organic chemistry , physics
A new approach to kinetic studies of fat hydrogenation is discussed. An experimental setup is described in detail. An example of reactor performance in hydrogenation of fatty acid methyl esters is given. aPresent address: AB Karlshamns Oljefabriker, S‐292 00 Karlshamn, Sweden. Notation: c, outlet concentration, mol/m 3 ; c o , inlet concentration, mol/m 3 : c b , concentration in bulk fluid, mol/m 3 ; c s concentration at catalyst surface, mol/m 3 ; d,pore diameter, m; D e , effective diffusivity, m 2 /s; E, activation energy of reaction, J/mol; h, heat transfer coefficient, J/m 2 s K; ΔH, heat of reaction, J/mol; k c , mass transfer coefficient, m/s; p, partial pressure, Pa; p o , saturated vapor pressure, Pa; qf, total flow to reactor, m 3 /s; q rec , recycle flow, m 3 /s; R, observed reaction rate per unit particle volume, mol/s m 3 ; R g , gas constant, J/mol K; r, observed reaction rate per unit mass of catalyst, mol/kg s; r p particle radius, m; T b , temperature of gas in bulk flow, K; T s , temperature of gas at catalyst surface, K;‐v, molar volume, m 3 /mol; V, volume of catalyst bed, m 3 ; W, catalyst mass, kg. Greek symbols: σ, surface tension, N/m; λ e , effective thermal conductivity of catalyst particle, J/m s K.