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Effects of Wastewater Pre-treatment on Clogging of an Intermittent Sand Filter by A.Y.A. Mohamed; P. Tuohy; M.G. Healy; D. Ó hUallacháin; O. Fenton; A. Siggins is a Environmental Science article available to read on EtoBox.
What is Effects of Wastewater Pre-treatment on Clogging of an Intermittent Sand Filter about?
Intermittent sand filters (ISFs) are widely used in rural areas to treat domestic and dilute agricultural wastewater due to their simplicity, efficacy and relative low cost. However, filter clogging reduces their operational lifetime and sustainability. To reduce the potential of filter clogging, this study examined pre-treatment of dairy wastewater (DWW) by coagulation with ferric chloride (FeCl3) prior to treatment in replicated, pilot-scale ISFs. Over the study duration and at the end of the study, the extent of clogging across hybrid coagulation-ISFs was quantified, and the results were compared to ISFs treating raw DWW without a coagulation pre-treatment, but otherwise operated under the same conditions. During operation, ISFs receiving raw DWW recorded higher volumetric moisture content (θv) than ISFs treating pre-treated DWW, which indicated that biomass growth and clogging rate was higher in ISFs treating raw DWW, which were fully clogged after 280 days of operation. The hybrid coagulation-ISFs remained fully operational until the end of the study. Examination of the field-saturated hydraulic conductivity (K fs) showed that ISFs treating raw DWW lost approximately 85 % of t
Who reads Effects of Wastewater Pre-treatment on Clogging of an Intermittent Sand Filter?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- A.Y.A. Mohamed; P. Tuohy; M.G. Healy; D. Ó hUallacháin; O. Fenton; A. Siggins
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Environmental Science (Physical Sciences)