Final Thesis

A Novel Way for Porosity Design in Carbonaceous Electrodes

Key Info

Basic Information

Unit:
Chemical Process Engineering
Type:
Masterthesis / Bachelorthesis
Focus/Key Topic:
experimental
Date:
From Now

Contact

Porous Carbon Materials (PCMs) have gained an increasing rate of attention due to their thermal and electrical conductivity, high surface area and porosity, and high availability. Activated Carbons (ACs) and Carbon Nano Tubes (CNTs) are two examples of PCMs with extensive functionality in water/wastewater treatment and electrochemistry, respectively.

Although available commercial PCMs possess high surface area and porosity, they are mostly in form of powders with associated problems like unmanageable pressure drop, high dust, and difficult handling/recycling. In addition, lack of hierarchical porosity in their structure has limited their functionality to specific applications. For example, CNTs with relatively expensive prices are mainly mesoporous and extremely less effective than ACs in terms of adsorption. Thus, they are not a desirable alternative in water and wastewater treatment.

Therefore, the fabrication carbon-based monoliths with adaptable porosity and low cost would be necessary to not only overcome the drawbacks of commercial PCMs, but also combine in one system: improved mass transfer facilitated by macro-porosity and high surface area and active sites obtained by meso-and micro-porosity.

This thesis will mostly be focusing on utilizing cheap materials and converting them into valuable porous monoliths by means of hard- and soft-templating, and analyzing their application in wastewater treatment.

The thesis comprises the following steps:

  • Fabrication of porous monoliths with different structures and geometries
  • Surface and porosity characterization of synthetized monoliths
  • Developing a relation between fabrication parameters and obtained structural features
  • Testing fabricated monoliths either as electrodes or adsorbents to treat artificial wastewaters containing micro-pollutants

What you get:
  • Practical skills for lab working
  • Detailed insights into different fabrication processes
  • Becoming familier with characterization devices and operating them
  • Collaboration in an international project
  • Close supervision


If you are interested, motivated and a self-dependent student, please contact me via email (mojtaba.mohseni@avt.rwth-aachen.de) for further information.