ORIGINAL RESEARCH
Performance Evaluation of Trickling Filter-Based
Wastewater Treatment System Utilizing Cotton
Sticks as Filter Media
Mian M. Ahson Aslam1, Zahid M. Khan1, Muhammad Sultan1, Yasir Niaz2, Muhammad H. Mahmood3, Muhammad Shoaib1, Aamir Shakoor1, Maqbool Ahmad4
Pol. J. Environ. Stud. 2017;26(5):1955-1962