00517nam a22001457a 4500082001400000100002100014100002200035100004800057245011000105260002700215300000800242700004000250700004600290700003500336  aR/1EEF-18  aNabeela Firdous   aRoll No. F-18EE54  aSupervisor - Prof. Dr. Abdul Nasir Laghari   aDesign and Comparative Study of Various Sand Filters (Slow Sand, Rapid Sand, Dual Media (Sand + Charcoal)  aNawabshahbQUESTc2022  a51p  aDepartment of Energy & Environment   aZulfiqar Sanjarani (Roll No. F-18-18EE24)  aAkash Samo (Roll No. F-18EE35)