
- 200 pages
- English
- PDF
- Available on iOS & Android
About this book
Carbon is the centerpiece in most chemicals and fuels. In light of climate change non-fossil paths to supply it are necessary. Carbon monoxide is a key molecule for carbon utilization. Forming it into hydrocarbons is an established process. Gliding arc plasma sources can produce it by 'warm' plasma, which has high reactivity and space-time yield at low energy input.The first part of this work deals with the construction and characterization of two gliding arc plasma sources and driver circuits. In the second part, they are used to split CO? into carbon monoxide and oxygen in a coaxial reactor utilizing a ceramic quench. Two new plasma processes are presented in the third part as less energy intensive alternatives: The calcination of a carbonates and simultaneous splitting of CO? by plasma as well as the gasification of organic solid waste coupled to reforming to syngas. In the fourth part, the processes are evaluated economically for a simplified example syngas-to-methanol plant.
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Table of contents
- Abstract
- Kurzfassung
- Chapter 1Introduction
- 1.1 Scope of this Work
- 1.2 Resource Chains of the Circular Economy
- 1.3 Carbon Utilization Technologies
- 1.4 Plasma Technology in the Chemical Industry
- Chapter 2Theoretical Background
- 2.1 Plasma
- 2.2 Chemistry
- 2.3 Electrical
- Chapter 3 Experimental Methods
- 3.1 Electrical Assembly
- 3.2 Gas Sensing
- 3.3 Plasma Characterisation
- 3.4 Feasibility Studies
- Chapter 4 Characteristics of the Reactor,Driver and Discharge
- 4.1 Discharge Structure
- 4.2 Ignition and Operating Range
- 4.3 Voltage and Current Characteristics
- 4.4 Inuence of the Magnetic Field
- 4.5 Driver Eciency
- 4.6 Summary
- Chapter 5 CO2 Splitting in the DC Discharge
- 5.1 CO2 Splitting in the Mk 1 Reactor
- 5.2 CO2 Splitting in the mk2 Reactor
- 5.3 Comparison to Literature Data and Review
- Chapter 6 Energy Ecient CO ProductionProcesses
- 6.1 Calcium Carbonate Reduction: The BlueFire-Process
- 6.2 PlasmaWaste Reforming: The Cyclize-Process
- 6.3 Summary
- Chapter 7 Feasibility Calculations
- 7.1 CO2 splitting and Water Electrolysis
- 7.2 Plasma Waste Reforming
- 7.3 Other Processes
- 7.4 Sensitivity Analysis
- 7.5 CO2-Emissions
- 7.6 Summary
- Conclusion
- Appendix A Di erent Approaches toConversion: A Short Proof
- Appendix B Calculation of Conversion in DryReforming
- Appendix C Plasma Source Cost Lineup
- Appendix D Preliminary Results of the LLCPlasma Driver
- Abbreviations
- List of Tables
- List of Figures
- Bibliography
- Publications
- Curriculum Vitae
- Acknowledgements