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1
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Analysis of the Influence of Turbulence on the Heat Transfer Between Spherical Particles and Planar Surfaces

100%
Brösigke G., Herter A., Rädle M., Repke J.-U.
Czasopismo Techniczne
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-
PL
The heat transfer between particles and walls plays an important role in several industrial processes. Since established models often deal with simplifications for the surrounding gaseous phase, this work aims to acquire a fundamental understanding of the occurring transport phenomena. In this work, a high-resolved finite-volume method is applied carrying out direct numerical simulation of fluid dynamics and heat transfer simultaneously. The influence of turbulence on the heat transfer is discussed in this paper.
2
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Content available

Analysis of the Influence of Turbulence on the Heat Transfer Between Spherical Particles and Planar Surfaces

100%
Brösigke G., Herter A., Rädle M., Repke J.-U.
Czasopismo Techniczne
|
-
PL
The heat transfer between particles and walls plays an important role in several industrial processes. Since established models often deal with simplifications for the surrounding gaseous phase, this work aims to acquire a fundamental understanding of the occurring transport phenomena. In this work, a high-resolved finite-volume method is applied carrying out direct numerical simulation of fluid dynamics and heat transfer simultaneously. The influence of turbulence on the heat transfer is discussed in this paper.
3
Publication available in full text mode
Content available

Dynamic Modeling and Operation of the Chlor-Alkali Process

100%
Budiarto T., Esche E., Repke J.-U.
Czasopismo Techniczne
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-
PL
Chlorine it is commonly produced through the Chlor-alkali process, which is an electrochemical process – the process energy consumption dominates the production cost. Therefore, optimization of the process has become a major issue to achieve energy conservation and cost effective production. This study aims at investigating the transient and steady-state behavior of the chlorine production system through process modeling and simulation. Material balance and energy balance of the Chlor-alkali membrane process (electrolysis), brine pre-treatment, and chlorine handling are modelled and investigated using rigorous models. MOSAIC and MATLAB, are used to model and to simulate the process response when receiving dynamic input. For validation, the simulation result is compared to experimental data.
4
Content available remote

Dynamic Modeling and Operation of the Chlor-Alkali Process

100%
Budiarto T., Esche E., Repke J.-U.
Czasopismo Techniczne
|
-
PL
Chlorine it is commonly produced through the Chlor-alkali process, which is an electrochemical process – the process energy consumption dominates the production cost. Therefore, optimization of the process has become a major issue to achieve energy conservation and cost effective production. This study aims at investigating the transient and steady-state behavior of the chlorine production system through process modeling and simulation. Material balance and energy balance of the Chlor-alkali membrane process (electrolysis), brine pre-treatment, and chlorine handling are modelled and investigated using rigorous models. MOSAIC and MATLAB, are used to model and to simulate the process response when receiving dynamic input. For validation, the simulation result is compared to experimental data.
5
Content available remote

Mobile Pilot-Plant for the Evaluation of Novel Scrubbing Liquids for the Absorption of CO2 from Industrial Gases

76%
Wilhelm R., Esche E., Guetta Z., Penteado A., Repke J.-U., Thielert H., Wozny G.
Czasopismo Techniczne
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-
PL
Most available scrubbing liquids suffer from either high heating duties for the regeneration or vulnerability towards gas components. In order to increase the efficiency of the absorption process a novel scrubbing liquid has been developed by thyssenkrupp Industrial Solutions AG. For verifying relevance and feasibility of long-term operation of the new fluid assumptions for installation were created – conceptual design and detailed simulation of the process without detailed thermodynamic information.
6
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The Systematic Design of CO2 Capture Rocesses Applied to the Oxidative Coupling of Methane

76%
Penteado A., Esche E., Godini H. R., Repke J.-U., Salerno D., Wozny G.
Czasopismo Techniczne
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-
PL
The oxidative coupling of methane is the catalytic conversion of methane into ethene. Carbon dioxide is generated as a reaction by-product and must be removed from the gaseous stream. In this paper, the application of a hybrid carbon dioxide removal process including absorption with amines and gas separation membranes is investigated through simulations and cost estimations.
7
Publication available in full text mode
Content available

Mobile Pilot-Plant for the Evaluation of Novel Scrubbing Liquids for the Absorption of CO2 from Industrial Gases

76%
Wilhelm R., Esche E., Guetta Z., Penteado A., Repke J.-U., Thielert H., Wozny G.
Czasopismo Techniczne
|
-
PL
Most available scrubbing liquids suffer from either high heating duties for the regeneration or vulnerability towards gas components. In order to increase the efficiency of the absorption process a novel scrubbing liquid has been developed by thyssenkrupp Industrial Solutions AG. For verifying relevance and feasibility of long-term operation of the new fluid assumptions for installation were created – conceptual design and detailed simulation of the process without detailed thermodynamic information.
8
Content available remote

The Systematic Design of CO2 Capture Rocesses Applied to the Oxidative Coupling of Methane

76%
Penteado A., Esche E., Godini H. R., Repke J.-U., Salerno D., Wozny G.
Czasopismo Techniczne
|
-
PL
The oxidative coupling of methane is the catalytic conversion of methane into ethene. Carbon dioxide is generated as a reaction by-product and must be removed from the gaseous stream. In this paper, the application of a hybrid carbon dioxide removal process including absorption with amines and gas separation membranes is investigated through simulations and cost estimations.
9
Content available remote

Hydroformylation of 1-Dodecene in Microemulsions: Operation and Validation of Lab Results in a Miniplant

64%
Illner M., Esche E., Müller D., Pogrzeba T., Repke J.-U., Schmidt M., Schomäcker R., Wozny G.
Czasopismo Techniczne
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-
PL
A method of hydroformylation to convert long- chained olefins, using tunable microemulsion systems, tests were conducted on a mini-plant at the center InPROMPT/TRR 63. Surfactant allowing a quasi-homogeneous reaction of olefin in aqueous Rhodium catalyst solution.
10
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Hydroformylation of 1-Dodecene in Microemulsions: Operation and Validation of Lab Results in a Miniplant

64%
Illner M., Esche E., Müller D., Pogrzeba T., Repke J.-U., Schmidt M., Schomäcker R., Wozny G.
Czasopismo Techniczne
|
-
PL
A method of hydroformylation to convert long- chained olefins, using tunable microemulsion systems, tests were conducted on a mini-plant at the center InPROMPT/TRR 63. Surfactant allowing a quasi-homogeneous reaction of olefin in aqueous Rhodium catalyst solution.
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