Dr. Aftab Ahmad Khan is Environmental Expert in Creative Engineering Consultants. He has done his PhD in Environmental Engineering from Hanyang University South Korea in Feb 2021. He has 8 months post-PhD teaching and 20 months field experience. His current research interests area Membrane distillation, reverse osmosis, resources recovery from wastewater and previous research interests are membrane distillation, membrane modification, desalination. He is also member of (1) Pakistan Membrane Society (PMS) and (2) Pakistan Engineering Council (PEC).