His research interests include water and wastewater process development and modeling, aquatic chemistry with emphasis on process engineering, desalination post treatment processes and aquacultural engineering with emphasis on water quality aspects and water treatment processes. In 2007 he received the Hershel Rich Technion Innovation Award for Post-Treatment Process for Desalinated Water and in 2010 he was the recipient of the France-Israel Foundation Award for Academic Excellence in the Field of Water. Professor Lahav is currently on sabbatical leave at Duke University in Durham, NC. He received his B.S., M.S. And Ph.D. degrees from Technion-Israel Institute of Technology and has well over 100 publications including books, book chapters, patents and numerous scientific papers.