Eljamal, O. (October 2024). Environmental Remediation; Water Treatment and Energy Recovery. National Research Institute of Astronomy and Geophysics (NRIAG), Helwan, Egypt.

Eljamal, O. (October 2024). Nanotechnology for Environmental Remediation; Water Treatment and Energy Recovery. Academic Collaboration Forum of Egypt & Japan, Cairo, Egypt.

Eljamal, O. (February 2024). Energy Recovery Potential from Wastewater and Integrating Nanotechnology into the Recovery System. Kyushu University Institute for Asian and Oceanian Studies, Brown Bag Seminar Series, Fukuoka, Japan.

Eljamal, O. (February 2024). Implementation of Nanoparticles into Water Treatment and Energy Production. J-MENA, Academic Seminar 2024, Fukuoka, Japan.

Eljamal, O. (October 2022). Opportunities to exploit stored energy in wastewater. The 8th International Exchange and Innovation Conference on Engineering & Sciences (IEICES 2022), Fukuoka, Japan.

Eljamal, O. (August 2022). Potential for Energy Recovery from Wastewater. CAMPUS Asia 2022 Summer School, Pusan, Korea.

Eljamal, O. (June 2022). Role of Nanotechnology in Water Treatment and Renewable Bioenergy. J-MENA, Academic Seminar 2022, Fukuoka, Japan.

Eljamal, O. (September 2021). Potential applications of nanotechnology for contaminants removal from water. International Conference on Emerging Contaminants and Environmental Health – Today and Future, Shanghai, China.

Eljamal, O. (August 2021). Nanotechnology Applications in Water Treatment. CAMPUS Asia 2021 Summer School, Fukuoka, Japan.

Eljamal, O. (July 2021). Nanoparticles for Water Purification. 3rd International conference of Chemical, E-JUST, Egypt.

Eljamal, O. (July 2021). Introduction to the Water and Environmental Engineering Laboratory. E-JUST 2021 Workshop, Egypt.

Eljamal, O. (December 2019). Integration of clean energy generation and wastewater treatment. 5th International Workshop on Clean Energy Development in Asian Cities, Fukuoka, Japan.

Eljamal O. (November 2019). Development of Iron-Based Nanoparticles and their Applications in Water Treatment. Department of Chemistry, United Arab Emirates University, UAE.

Eljamal O. (November 2019). Overview of Kyushu University and International Programs. Abu Dhabi Education Fair, Abu Dhabi, United Arab Emirates University, UAE.

Eljamal O. (April 2019). Effect of Nanoscale Zero Valent iron (NZVI) and Iron Oxidation Status on Methane Production During Anaerobic Digestion of Sludge/Substrate. Department of Engineering Science, University of Oxford, United Kingdom. .

Eljamal O. (December 2018). Internationalization and Future of Education in Japan. Mechanical Engineering and Science Postgraduate International Conference. MESPIC 2018, Kuala Lumpur, Malaysia.

Eljamal O. (October 2018). Nanoscale Zero Valent Iron (NZVI)-Based Bimetallic for Water Treatment. 4th International Exchange and Innovation Conference on Engineering & Sciences (IEICES), Fukuoka, Japan.

Eljamal O. (December 2015). Recent Activities of International Education in IGSES at Kyushu University. Japanese Society for Engineering Education, 63rd Annual Conference & Exposition, Fukuoka, Japan.

Eljamal O. (February 2014). Overview of Kyushu University and International Undergraduate Programs. Istanbul Education Fair (Global 30 Project), Istanbul, Turkey.

Eljamal O. (January 2014). Overview of Kyushu University and International Undergraduate Programs. Berlin Education Fair (Global 30 Project), Berlin, Germany.

Eljamal O. (October 2012). Overview of Kyushu University and International Undergraduate Programs. Cairo Education Fair (Global 30 Project), Cairo, Egypt.

Eljamal O. (October 2012). Overview of Kyushu University and International Undergraduate Programs. Alexandria Education Fair (Global 30 Project), Alexandria, Egypt.

Eljamal O. (December 2011). Overview of Kyushu University and International Undergraduate Programs. Kuala Lumpur Education Fair (Global 30 Project), Kuala Lumpur, Malaysia.