Prohlížení dle autora "Šulc R."
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Dispersion kinetics in mechanically agitated vessel
Autor: Bucciarelli E.; Formánek R.; Kysela B.; Fořt I.; Šulc R.
(EDP Sciences, 2019)Agitation of two immiscible liquids or solid-liquid suspension is a frequent operation in chemical and metallurgical industries. Prediction of mean drop/particle size and drop/particle size distribution (DSD) is vital for ... -
Drop Size Evolution Kinetics in a Liquid-liquid Dispersions System in a Vessel Agitated by a Rushton Turbine
Autor: Formánek R.; Kysela B.; Šulc R.
(AIDIC Servizi S.r.l., 2019)Processes in which mixing plays a crucial role in increasing mass transfer, interfacial surface, and homogenization are frequently and widely used throughout the industry. Agitation of immiscible liquids or solid-liquid ... -
Effect of Particle Image Velocimetry Setting Parameters on Local Velocity Measurements in an Agitated Vessel
Autor: Šulc R.; Ditl P.; Jašíková D.; Kotek M.; Kopecký V.; Kysela B.
(VCH, 2019)Although they are obtained under the same conditions, results on the flow field in an agitated vessel achieved using particle image velocimetry (PIV) may vary due to differences in the PIV conditions. The influence on ... -
Experimental Performance of Pilot-oxygen-pressure Swing Adsorption Unit
Autor: Šulc R.; Kos M.
(AIDIC, 2023)The effect of product purity on product flowrate, oxygen recovery, adsorbent productivity, and specific energy demand was investigated for the adsorption pressure of 5.5 bar (g). The experiments were carried out for zeolite ... -
HEAT TRANSFER BETWEEN GAS AND NON-COALESCENT LIQUID IN A BUBBLE COLUMN
Autor: Žižka M.; Šulc R.; Ditl P.
(AIDIC Servizi S.r.l., 2019)Multiphase contactors, e.g. bubble columns, are often used in operations accompanied by heat transfer between the phases. The effect of multi-orifice aerator for the heat transfer between gas and the non-coalescent liquid ... -
The homogeneity of immiscible liquid–liquid dispersion in a vessel agitated by Rushton turbine
Autor: Formánek R.; Šulc R.
(Polish Academy of Sciences, 2021)The homogeneity of an immiscible liquid–liquid system was investigated in a baffled vessel agitated by a Rushton turbine. The dispersion homogeneity was analyzed by comparing Sauter mean diameters and drop size distribution ... -
Hydrodynamics and Mass Transfer in a Concentric Internal Jet-Loop Airlift Bioreactor Equipped with a Deflector
Autor: Šulc R.; Dymák J.
(Multidisciplinary Digital Publishing Institute (MDPI AG), 2021)The gas–liquid hydrodynamics and mass transfer were studied in a concentric tube internal jet-loop airlift reactor with a conical bottom. Comparing with a standard design, the gas separator was equipped with an adjustable ... -
Image analysis of particle size: effect of light source type
Autor: Formánek R.; Kysela B.; Šulc R.
(EDP Sciences, 2019)Agitation of two immiscible liquids or solid-liquid suspension is a frequent operation in chemical and metallurgical industries. The sizes of particles, bubbles or droplets can be determined by the Image Analysis Technique. ... -
Local Energy Dissipation Rate in an Agitated Vessel-a Comparison of Evaluation Methods
Autor: Šulc R.; Ditl P.
(Springer, 2018)There are two main groups of local turbulent energy dissipation rate (epsilon) evaluation methods, namely (i) velocity gradient methods and (ii) fitting the energy spectrum function. We calibrated our measurements and then ... -
Local Turbulent Energy Dissipation Rate in an Agitated Vessel: Experimental and Turbulence Scaling
Autor: Ditl P.; Šulc R.; Pešava V.; Jasikova D.
(Pleiades Publishing Ltd., 2018)The hydrodynamics and the flow field in an agitated vessel were measured using 2-D time resolved particle image velocimetry (2-D TR PIV). The experiments were carried out in fully baffled cylindrical flat bottom vessels ... -
Local velocity scaling in upward flow to tooth impeller in a fully turbulent region
Autor: Šulc R.; Ditl P.; Fořt I.; Jašíková D.; Kotek M.; Kopecký V.; Kysela B.
(EDP Sciences, 2019)The hydrodynamics and flow field were measured in an agitated vessel using 2-D Time Resolved Particle Image Velocimetry (2-D TR PIV). The experiments were carried out in a fully baffled cylindrical flat bottom vessel 400 ... -
Measurement of drop size distribution time rate for liquid-liquid dispersion using IPI method
Autor: Jašíková D.; Kotek M.; Kysela B.; Šulc R.; Kopecký V.
(EDP Sciences, 2019)The liquid-liquid dispersion properties are studied mainly by image analysis (IA) and Interferometric Particle Imaging (IPI). Drop sizes will be investigated in dilute dispersion since in this case the break up phenomena ... -
The Potential of Energy Savings in Oxygen Production by Pressure Swing Adsorption
Autor: Šulc R.; Ditl P.
(AIDIC Servizi S.r.l., 2021)The pressure swing adsorption (PSA) units are widely used as an oxygen source. The second PSA unit outgoing stream contains a dry mixture of O2 in N2 that is mostly exhausted into the atmosphere. Utilization of this stream's ... -
The Potential of Liquefied Oxygen Storage for Flexible Oxygen-Pressure Swing Adsorption Unit
Autor: Šulc R.; Ditl P.
(AIDIC Servizi S.r.l., 2021)The pressure swing adsorption (PSA) units are widely used as an oxygen source. Start-up time taking minutes is an undeniable advantage of PSA technology compared to cryogenic air separation start-up time taking hours or ... -
Progress in the evaluation of local energy dissipation rate in an agitated vessel
Autor: Šulc R.; Ditl P.
(Russian Chemistry Society, 2018)The scale-up of processes such as liquid-liquid dispersion, gas-liquid dispersion, powder dispersion, flocculation, the scale of segregation at chemical reactions requires correct knowledge of local turbulent energy ... -
Selection of a separation method used for harvesting of microalgae from aqueous solutions
Autor: Hladíková M.; Šulc R.
(AIDIC Servizi S.r.l., 2021)Harvesting of microalgae from aqueous solutions is still a bottleneck for biotechnologies using microalgae as a source of metabolites. The aim of the article is to provide an overview of four microalgae separation methods ... -
A Technical and Economic Evaluation of Two Different Oxygen Sources for a Small Oxy-Combustion Unit
Autor: Šulc R.; Ditl P.
(Elsevier, 2021)Oxy-combustion is a feasible CO2 capture method in the power and heat generation sector. This paper aims to propose a methodology for assessing two oxygen production technologies for small-scale oxy-combustion units: i) ... -
Time evolution of the drop size distribution for liquid–liquid dispersion in an agitated tank
Autor: Šulc R.; Kysela B.; Ditl P.
(Springer, 2018)Agitating two immiscible liquids or a solid–liquid suspension is an operation frequently performed in the chemical and metallurgical industries, for example, in suspension/emulsion polymerization, heterogeneous/phase-transfer ... -
РАЗДЕЛЕНИЕ ГАЗОВ МЕТОДИКОЙ PSA В ЭНЕРГЕТИКЕ
Autor: Ditl P.; Netušil M.; Šulc R.
(Russian Chemistry Society, 2018)В статье описывается технология разделения газов, называемая адсорбцией под действием давления. Модели, описывающие явления, вызванные коккой, основаны на основах структурного программирования и решаются с использованием ...