1. Institute for Technical Chemistry and Environmental Chemistry, Center for Energy and Environmental Chemistry, Friedrich-Schiller University Jena, Philosophenweg 7a, 07743 Jena, Germany
2. Environmental Sciences Department, Faculty of Science, Alexandria University, 21511 Alexandria, Egypt
3. Fraunhofer IKTS, Fraunhofer Institute for Ceramic Technologies and Systems, 07629 Hermsdorf, Germany