Altaf Hussain Fixed bed column study for the removal of arsenic (III) from aqueous solution using iron impregnated biochar of acacia nilotica / Altaf Hussain. - MUET, Jamshoro : Institute Of Environmental Engineering, 2021. - xvi, 41p. : ill. ; 30 cm. Includes references. Subjects--Topical Terms: Environmental Engineering. Dewey Class. No.: / ALT