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Master thesis: CO2 Sequestration in Iron and Steel Industry with Post-combustion CO2 Capture Technology

Advertising institute: IEK-3 - Electrochemical Process Engineering
Reference number: D168/2017, Energy and process engineering, chemical engineering

Start of work: At once/ By arrangement

Background:
At the Institute of Energy and Climate Research (IEK-3), FZJ, an interdisciplinary research program focuses on energy-related processes and the analysis of corresponding systems. Our current priorities include the development of energy strategies in accordance with the German government’s greenhouse gas reduction targets through the design of new infrastructures for sustainable and secure energy supply chains. Iron & steel production has been an energy-intensive process and a significant source of CO2 emissions ever since it was put into practice. In the year 2015, the emissions of CO2 equivalent from iron and steel sector accounts for approximately 20.4 % of the total CO2 equivalent emissions from the industry in Germany. Although significant work has been carried out by the industry to reduce the levels of CO2 emissions via initiatives such as increasing energy efficiency, recycling of by-product fuels, maximizing the recycling of scrap steel and increasing the use of renewable energy, the implementation of technologies including carbon capture and storage (CCS) are required to guarantee further reductions in CO2 emissions and meet the national CO2 reduction goals of 95% until 2050. Furthermore captured CO2 is seen as an important source for Power-to-X applications

The post-combustion CO2 capture technology (PCC), as an end-of-pipe approach, is friendly to those existing plants in terms of retrofitting. This master study will particularly focus on two of the PCC technologies, i.e. the chemical absorption and membrane separation. The chemical absorption, or amine scrubbing technology, has long been seen as the most promising method and widely investigated. However, its inherent character of high demand for regeneration energy prevents its application in large scale, especially in the coal-fired power plant. On the contrary, the membrane separation technology demands less energy but could lead to a very high capital expenditure due to the high cost of membrane materials. The scope of this thesis is to analyze the applications of these two technologies in iron & steel production process. .

Project Description:

  • Literature research of the potential for the application of CO2 capture technology in a typical integrated steel mill in Europe.
  • Investigating the energy consumption of three scenarios of application of CO2 capture technologies in a reference iron & steel production process:
    Scenario 1: Cascaded membrane system
    Scenario 2: Chemical absorption system using monoethanolamine (MEA) as solvent
    Scenario 3: Hybrid system (scenario 1 &2 combined)
    Investigation of each scenario should be carried out in Aspen Plus® with CO2 capture models that have already been fully developed.
  • Determining the approaches to energy supply for CO2 capture models in three scenarios described above. Particularly, exploring the possibility of utilizing exhaust gases across iron & steel production installation to provide thermal energy for chemical absorption system.
  • Economic analysis: influences of three scenarios on the cost of products in reference steel mill.

Your Profile:

  • Excellent academic marks in energy and process engineering, chemical engineering, or related fields of study.
  • Knowledge of carbon dioxide capture technology.
  • Fluent in English, German is a plus.
  • Experience with Aspen Plus and cost analysis for industrial processes is preferred.

Our Offer:

  • The opportunity to work in an international research team in one of the most prestigious research facilities in Europe.
  • You will be remunerated and provided with sufficient technical support and instruction.

Contact:
Yuan Wang
Forschungszentrum Jülich GmbH (FZJ)
Institut für Energie- und Klimaforschung (IEK)
IEK-3: Elektrochemische Verfahrenstechnik
Wilhelm-Johnen-Straße
52425 Jülich

Tel.: 02461 61-3742
E-Mail: yu.wang@fz-juelich.de
website: http://www.fz-juelich.de/iek/iek-3


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