Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.1080/10934529.2022.2026735 |
| Design methodology for sewage water treatment system comprised of Imhoff's tank and a subsurface horizontal flow constructed wetland: a case study Dakhla Oasis, Egypt | |
| Gabr, Mohamed Elsayed | |
| 通讯作者 | Gabr, ME (corresponding author)，Higher Inst Engn & Technol, Civil Engn Dept, Minist Higher Educ, New Damietta, Egypt. |
| 来源期刊 | JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING
 |
| ISSN | 1093-4529 |
| EISSN | 1532-4117 |
| 出版年 | 2022-01 |
| 英文摘要 | In this study, in order to reuse the treated wastewater in irrigation in rural areas, a new sewage water treatment system comprised of primary treatment Imhoff's tank, Hama drying basins, inlet well, a subsurface horizontal flow constructed wetland (HSFW), water control device, and a groundwater tank is proposed and designed in Dakhla Oasis western desert of Egypt. The proposed system serves a population of 5000 capita with a designed discharge of 750 m(3) d(-1). The kinetic parameters involved macrophyte organisms, media forms, water level, hydraulic retention time (HRT), and hydraulic loading rate (h(l)) for the system were selected to achieve an efficient wastewater treatment system design. Imhoff's tank is sized as the primary sedimentation efficiency is 30%, and HSFW is sized based on the first-order kinetics (k-C*) model, and total hydraulic design theory. The air temperatures were 29.7 degrees C and 13.8 degrees C in summer and winter respectively, influent pollutant concentrations after primary sedimentation for BOD, fecal coliforms (K), total nitrogen (TN), and total phosphorus (TP) were 210 mg L-1, 10(8) CFU100 mL(-1), 30 and 7 mg L-1, respectively. The expected designed effluent BOD and FC were 30 mg L-1 and 1000 CFU100 mL(-1), respectively. The results show that FC removal controls the area of the HSFW (2.87 ha), 6 units of reed (Phragmites Australis and Papyrus) plants each one is 66 x 72.6 m with h(l) of 2.6 cm d(-1) and HRT of 6.91 d. The expected overall removal efficiencies for BOD and FC were 85.7%, and 99.9% respectively. |
| 英文关键词 | Constructed wetlands design methodology Egypt pollutant removal reed beds sewage water |
| 类型 | Article ; Early Access |
| 语种 | 英语 |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:000742294100001 |
| WOS关键词 | REMOVAL ; REUSE |
| WOS类目 | Engineering, Environmental ; Environmental Sciences |
| WOS研究方向 | Engineering ; Environmental Sciences & Ecology |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/377171 |
| 作者单位 | [Gabr, Mohamed Elsayed] Higher Inst Engn & Technol, Civil Engn Dept, Minist Higher Educ, New Damietta, Egypt |
| 推荐引用方式 GB/T 7714 | Gabr, Mohamed Elsayed. Design methodology for sewage water treatment system comprised of Imhoff's tank and a subsurface horizontal flow constructed wetland: a case study Dakhla Oasis, Egypt[J],2022. |
| APA | Gabr, Mohamed Elsayed.(2022).Design methodology for sewage water treatment system comprised of Imhoff's tank and a subsurface horizontal flow constructed wetland: a case study Dakhla Oasis, Egypt.JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING. |
| MLA | Gabr, Mohamed Elsayed."Design methodology for sewage water treatment system comprised of Imhoff's tank and a subsurface horizontal flow constructed wetland: a case study Dakhla Oasis, Egypt".JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING (2022). |
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