The present work concerning with studying the potentiality of green algal biomasses namely Ulva lactuca Linnaeus (marine green alga) and Cladophora glomerata Linnaeus Kützing (fresh water alga) to adsorb uranium from its processing effluents of Gattar Pilot Planet, Eastern Desert, Egypt.The maximum biosorption efficiency of uranium was achieved at 1 hr contact time, 1/1000, S/l ratio, 200 ppm uran...