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The Fischer–Tropsch reaction was performed using a pilot-scale slurry bubble column reactor (SBCR) and a lab-scale continuous stirred tank reactor (CSTR). In contrast to the CSTR, a transitory induction period was observed in the SBCR. In this study, we investigated the catalyst performance during the induction period focusing on the hydrodynamic parameter changes inside the reactor. We measured the...
Results of experimental analysis concerning gas hold-up and average residence time of gas bubbles in a three-phase gas-solid-liquid system produced in a baffled, double-impeller vessel are presented. Measurements were carried out in a vessel with the internal diameter of 0.288 m. Two different double-impeller configurations were used for agitation: Rushton turbine (lower) — A 315 (upper) and Rushton...
The influence of staging, superficial gas velocity, u g , and clear liquid height, h, on the values of volumetric mass transfer co-efficient, k L a, gas hold-up, ɛ g and liquid phase axial dispersion co-efficient, D L , of a 14cm diameter and 98cm tall bubble column were studied. The mass transfer parameter, k L a, was estimated by using the electrical conductivity...
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