Chemical-Free Greywater Treatment Using Aeration, Sedimentation, Followed by Granular Activated Carbon Filter (GAC) -A Case Study of Baghdad city household. jcoeng [Internet]. 2020 Oct. 1 [cited 2024 May 20];26(10):66-79. Available from: https://joe.uobaghdad.edu.iq/index.php/main/article/view/1034