Author = Mohamed Mahmoud Hefny
Synthesis, and Characterization of Magnetic Nano-particles using Opuntia Extract, and its Applications in Wastewater Treatment

Volume 67, Issue 8, August 2024, Pages 171-178

10.21608/ejchem.2023.210360.7959

Hussein Mohamed Ahmed; nouran Y. Mohamed; Mohamed A. El-Khateeb; Mohamed Mahmoud Hefny; Fatehy M. Abdel-Haleem; Neama ahmed


Constructed Wetland Enhancement via Chemical Coagulation using variable Hydraulic Retention Times for wastewater Treatment

Volume 66, Issue 10, October 2023, Pages 55-67

10.21608/ejchem.2023.165802.7038

Hussein Ibrahim Abdel-Shafy; Hussein Mohamed Ahmed; Mohamed El-Khateeb; Neama ahmed; Fatehy Mohammed; Mohamed Mahmoud Hefny


Greywater Treatment for Safe Recycling via Hybrid Constructed Wetlands and sludge Evaluation

Volume 65, Issue 131, December 2022, Pages 543-555

10.21608/ejchem.2022.136764.6028

Hussein Ibrahim Abdel-Shafy; Mohamed El-Khateeb; Hussein Mohamed Ahmed; Mohamed Mahmoud Hefny; Fatehy M. Abdel-Haleem


Removal of Cadmium, Nickel, and Zinc from Aqueous Solutions by Activated Carbon Prepared from Corncob - Waste Agricultural Materials

Volume 65, Issue 3, March 2022, Pages 677-687

10.21608/ejchem.2021.85296.4227

Hussein Ibrahim Abdel-Shafy; Mohamed Mahmoud Hefny; Hussein M. Ahmed; Fatehy M. Abdel-Haleem


Boron Phosphate/Poly(p-phenylenediamine) as a Corrosion Inhibitive System for Steel Protection

Volume 61, Issue 5, September and October 2018, Pages 759-771

10.21608/ejchem.2018.4184.1373

Mahmoud Abd El-Ghaffar; Amin Mahmoud Baraka; Mohamed Mahmoud Hefny; Elham Ahmed Youssef; Mahmoud Mohamed Aly