- Cemre Avşar, “From Conventional to Green: Latest Trends in Fertilizer Industry”, 4th Edition of Advanced Chemistry World Congress (March 27-28, 2023).
- Ahmet Ozan Gezerman, “Processes for Solving Environmental Problems in Nitric Acid and Sulfuric Production”, 7th International Congress on Environmental Research and Technology (December 15-16, 2022).
- Cemre Avşar, “Environmental Prospects of the Mineral Carbonisation of Phosphogypsum”, 7th International Congress on Environmental Research and Technology (December 15-16, 2022).
- Ahmet Ozan Gezerman, “Development of Technologies for the Industrial Waste Problem and Solutions in Chemical Fertilizer Production”, 7th National Congress on Environment (December 16, 2022).
- Cemre Avşar, “The Merseburg Process: Combating Climate Change and Sustainable Waste Management”, 7th National Congress on Environment (December 16, 2022).
- Ahmet Ozan Gezerman, “Emission Removal and Waste Minimization in Chemical Fertilizer Production”, 2nd International Congress on Multidisciplinary Natural Sciences and Engineering (December 1-2, 2022).
- Didem Değirmenbaşı, Cemre Avşar and Suna Ertunç, “A Sustainable Approach for Alternative Raw Material Resources: Re-Use of Phosphogypsum”, 5th Eurasia Waste Management Symposium (October 26-28, 2020).
- Cemre Avşar, Didem Değirmenbaşı and Suna Ertunç, “Evaluation of Phosphogypsum as a Secondary Resource: Effect of Commercial Acid Treatment on Purification Efficiency” 5th Eurasia Waste Management Symposium (October 26-28, 2020).
- Ozan Gezerman, “In Parallel With the Increasing World Population, Developments in the Agricultural Industry and Minimization of the Problems Arising as a Result of Different Purposes”, 2nd International Conference on Petrochemical Engineering and Natural Resources (October 26-27, 2020)
