Dodecane Decomposition in a Radio-Frequency (RF) Plasma Reactor
-
Laura Merlo-Sosa
und Gervais Soucy
The research outlined here includes a study of the production of carbon black (CB) in an inductive plasma reactor, using dodecane (C12H26) as the starting material. Thermodynamic and kinetic studies were carried out to predict the species concentrations likely to be obtained in the pyrolysis process at plasma temperatures. A thorough statistical experimental design was undertaken to investigate the influence of the different operational conditions such as: the feed rates of dodecane, the reactor pressure, the plate power applied to the plasma torch and the composition of the plasma gas, on the production of carbon black and gaseous acetylene-like compounds. Thermodynamic and kinetic models were compared with experimental results, a kinetic reaction model best representing the experimental results. Morphological analysis of the solid product using Transmission Electron Microscopy (TEM) indicates that a high plasma temperature is the most important factor affecting the final morphology of the carbon black formed during the reaction. Carbon black with average particle size of 10-30 nm and specific surface of 130 m2/g was obtained. Morphological analyses also demonstrated the presence of new structures ranging from carbon black to fullerenes and including certain graphitized carbon molecules.
©2011 Walter de Gruyter GmbH & Co. KG, Berlin/Boston
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Artikel in diesem Heft
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- A Review of Short Residence Time Cracking Processes
- Microchannel Reactors: Applications and Use in Process Development
- Carbon Nanotube Synthesis: A Review
- Modelling the Hydrodynamics of Gas-Liquid Packed Beds via Slit Models: A Review
- Article
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- Optimal Non-isothermal Reactor Network for Van de Vusse Reaction
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- A Kinetic Model for Toluene Oxidation Comprising Benzylperoxy Benzoate Ester as Reactive Intermediate in the Formation of Benzaldehyde
- A Computational Study of Gas-solid Flow in an Enhanced Solid Entrainment (ESE) Nozzle System
- A Neural Network Approach for Prediction of the CuO-ZnO-Al2O3 Catalyst Deactivation
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- iso-Amyl Acetate Synthesis by Catalytic Distillation
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- Acceleration of Chemical Reactions Using a Supercritical Water Microreaction System
- Effect of Temperature on Solids Mixing in a Bubbling Fluidized Bed Reactor
- Optimal Operation of Semi-Batch Processes with a Single Reaction
- Scale Effects on Fluidized Bed Hydrodynamics
- Ultrasonic Investigation of Hydrodynamics and Mass Transfer in a Gas-Liquid(-Liquid) Stirred Vessel
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- The Optimisation of Pressure Measurements for the Control of Bubbling Fluidised Beds
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- Use of CFD for Wastewater Disinfection Process Analysis: E.coli Inactivation with Peroxyacetic Acid (PAA)
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- A Study of Fermentation for Human Interleukin-11 with Recombinant E. Coli
- Modelling a Biochemical Reaction with Computational Fluid Dynamics
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- Experiments and CFD Modelling of Fast Chemical Reaction in Turbulent Liquid Flows
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