On the relevance of mass transfer limitations in the Fischer-Tropsch slurry process

Deckwer, Wolf‐Dieter; Serpemen, Y.; Rálek, M.; Schmidt, B.

doi:10.1016/0009-2509(81)85092-0

Cited by 24 publications

(33 citation statements)

References 13 publications

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“…The models used were (i) that reported by Deckwer et al (1981) which assumes an unmixed pseudohomogeneous slurry phase, and (ii) the model of Bukur (1 983) which is based on a backmixed slurry phase. The models used were (i) that reported by Deckwer et al (1981) which assumes an unmixed pseudohomogeneous slurry phase, and (ii) the model of Bukur (1 983) which is based on a backmixed slurry phase.…”

Section: Data Evaluation By Slurry Reactor Modelsmentioning

confidence: 99%

“…The models used were (i) that reported by Deckwer et al (1981) which assumes an unmixed pseudohomogeneous slurry phase, and (ii) the model of Bukur (1 983) which is based on a backmixed slurry phase. Using kLa and eL data from empirical correlations (Deckwer et al, 1981(Deckwer et al, , 1982b first order rate constants k can be calculated from the closed solutions of both models on the basis of the experimental conversion data. Using kLa and eL data from empirical correlations (Deckwer et al, 1981(Deckwer et al, , 1982b first order rate constants k can be calculated from the closed solutions of both models on the basis of the experimental conversion data.…”

Section: Data Evaluation By Slurry Reactor Modelsmentioning

confidence: 99%

“…As in the present study the measured data are evaluated on the basis of appropriate slurry reactor models and the hydrodynamic and mass transfer properties can be estimated with sufficient accuracy from previous investigations (Deckwer et al, 1980(Deckwer et al, , 1981(Deckwer et al, , 1982a, it is thought that a more reasonable measure to characterize activity and reproducibility is the first order rate constant evaluated from the experimental data. However, all these quantities also depend on specific operating conditions and hydrodynamic and mass transfer properties, as well.…”

Section: Data Reproducibilitymentioning

confidence: 99%

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Fischer‐tropsch synthesis in bubble column slurry reactors on FE/K‐catalyst

1986

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Fischer-Tropsch synthcsis (FTS) on K promoted Fe catalyst was studied in three bubble column slurry reactors (BCSR) of 2.5. 5 , and 10 cm diameter. The objective was to check data reproducibility under conditions of arbitrary alterations of various parameters. First order rate constants evaluated on the basis of appropriate slurry reactor models were chosen as an approximate measure to characterize data reproducibility and catalyst activity. It was found that rate constants and hence reproducibility may differ by a factor of two if different batches and precipitations of catalyst are considered. Within the parameter ranges covered in this study this rule of thumb is valid irrespective of reactor diameter, type of sparger, catalyst concentration, temperature, pressure, and gas flow rate. The rate constants compare well with literature data.On a ktudi6 la synthkse Fischer-Tropsch sur un catalyseur au Fe active par le K dans trois rkacteurs a colonnes 21 bulles et suspension dont les diamktres Ctaient respectivement 2.5, 5 et 10 cm. L'objectif du travail ktait de vkrifier la reproductibilitk des rksultats dans des conditions de perturbations arbitraires de divers paramktres. On a choisi, comme mesure approximative servant a caractkriser la reproductibilitk des donnCes et I'activitk du catalyseur, des constantes de vitesse de premier ordre kvalukes I'aide de modkles de rkacteurs a suspension appropriks. On a constatk que les constantes de vitesse donc la reproductibilitk peuvent differer d'un facteur 2 , si I'on considkre diffkrents lots du catalyseur. Dans les limites des gammes des parametres couvertes dans la prksente etude, cette rkgle empirique est valable, indkpendamment du diamktre du rkactcur, du type de barboteur, de la concentration du catalyseur, de la temp&ature, de la pression et du dkbit de gaz. Les constantes de vitesse se comparent bien avec celles donnkes dans la littkrature. n the second wave of research on the Fischer-Tropsch

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“…The models used were (i) that reported by Deckwer et al (1981) which assumes an unmixed pseudohomogeneous slurry phase, and (ii) the model of Bukur (1 983) which is based on a backmixed slurry phase. The models used were (i) that reported by Deckwer et al (1981) which assumes an unmixed pseudohomogeneous slurry phase, and (ii) the model of Bukur (1 983) which is based on a backmixed slurry phase.…”

Section: Data Evaluation By Slurry Reactor Modelsmentioning

confidence: 99%

“…The models used were (i) that reported by Deckwer et al (1981) which assumes an unmixed pseudohomogeneous slurry phase, and (ii) the model of Bukur (1 983) which is based on a backmixed slurry phase. Using kLa and eL data from empirical correlations (Deckwer et al, 1981(Deckwer et al, , 1982b first order rate constants k can be calculated from the closed solutions of both models on the basis of the experimental conversion data. Using kLa and eL data from empirical correlations (Deckwer et al, 1981(Deckwer et al, , 1982b first order rate constants k can be calculated from the closed solutions of both models on the basis of the experimental conversion data.…”

Section: Data Evaluation By Slurry Reactor Modelsmentioning

confidence: 99%

Section: Data Reproducibilitymentioning

confidence: 99%

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Fischer‐tropsch synthesis in bubble column slurry reactors on FE/K‐catalyst

1986

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“…Accurate estimates of H 2 and CO solubility are needed for many industrial applications, for example Fischer-Tropsch processes, [1][2][3][4] hydrogenation processes [5,6], and corrosion analyses [7]. Experimental data are often missing and need to be estimated [8].…”

Section: Introductionmentioning

confidence: 99%

Evaluation and extrapolation of the solubility of H2 and CO in n-alkanes and n-alcohols using molecular simulation

Hinkle

Mathias

Murad

2014

Fluid Phase Equilibria

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“…These reactors are characterized by a simplicity of construction and operation and have industrial applications especially in biotechnological areas such as effluent treatment, antibiotic fermentation and studies on single cell proteins, and animal cell cultures (Deckwer, 1992). Such reactors also play an important role in coal liquefaction and Fischer-Tropsch synthesis (Deckwer et al, 1981). Although the construction and operation of bubble column reactors is straightforward, the understanding of hydrodynamic behavior in the reactor is poor.…”

Section: Introductionmentioning

confidence: 99%