The Efficiency of Ceramic Rings and Bio Media in BAFs Application in Wastewater Treatment According to Flow Changes | ||
| Engineering Research Journal (Shoubra) | ||
| Volume 52, Issue 1, January 2023, Pages 81-86 PDF (956.68 K) | ||
| Document Type: Research articles | ||
| DOI: 10.21608/erjsh.2022.159848.1084 | ||
| Authors | ||
| Reem ahmed El-Halafawy* 1; Hanan Fouad2; Rehab Elhefny3; Ahmed Mohamed Hassanin4 | ||
| 1Civil Engineering, Shoubra faculty of Engineering, Benha university, Egypt | ||
| 2Professor of Sanitary and Environmental Engineering at civil engineering department of, Faculty of Engineering (Shobra), Banha University. | ||
| 3Shoubra faculty of engineering, benha university . Rod Al Farag Street, Shubra, Cairo, Egypt | ||
| 4Lecturer of Sanitary and Environmental Engineering, Department of Civil Engineering, Faculty of Engineering at Shoubra, Benha University, Cairo, Egypt. | ||
| Abstract | ||
| This experimental research compares the Polyethylene Bio-media and Ceramic Rings for their ability to treat the effluent wastewater from the primary sedimentation tank utilizing biological aerated filter BAFs. The filters were designed and worked in a parallel process under the same variables. These variables are the hydraulic retention time (HRT). The ceramic rings were used as submerged media, while the other filter used filter polyethylene bio media as floating media. The BAFs operated continuously with a variation of (HRT) equal to 24 minutes, 36 minutes, and 72 minutes under a DO ratio equal to 4.67±0.2 mg/l to find out the efficiency of each media in (COD), (BOD), and TSS) removal. The optimum removal efficiency 83.93%, 83.65%, and 85.60%, for COD, BOD, and TSS, respectively, by using ceramic rings media; to the other side, the removal efficiency reached 68.06%, 69.18%, and 71.07% when using bio media, respectively. The experiment results revealed that the ceramic rings showed more efficiency than the polyethylene bio media according to COD, BOD, and TSS. | ||
| Keywords | ||
| Biological aerated filter; submerged media; Floated media; Hydraulic retention time | ||
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