Hashim Sarfraz, Yuebo Xie, Saifullah Muhammad, Nabi Jan Ramila, Muhetaer Adila
Department of Hydrology and Water Resources, Hohai University, Nanjing 210098, China.
Department of Geotechnical, Civil Engineering, Hohai University, Nanjing 210098, China.
Biomed Res Int. 2015;2015:327280. doi: 10.1155/2015/327280. Epub 2015 Sep 30.
Today's ecology is erected with miscellaneous framework. However, numerous sources deteriorate it, such as urban rivers that directly cause the environmental pollution. For chemical pollution abatement from urban water bodies, many techniques were introduced to rehabilitate the water quality of these water bodies. In this research, Bacterial Technology (BT) was applied to urban rivers escalating the necessity to control the water pollution in different places (Xuxi River (XXU); Gankeng River (GKS); Xia Zhang River (XZY); Fenghu and Song Yang Rivers (FSR); Jiu Haogang River (JHH)) in China. For data analysis, the physiochemical parameters such as temperature, chemical oxygen demand (COD), dissolved oxygen (DO), total phosphorus (TP), and ammonia nitrogen (NH3N) were determined before and after the treatment. Multicriteria Decision Making (MCDM) method was used for relative significance of different water quality on each station, based on fuzzy analytical hierarchy process (FAHP). The overall results revealed that the pollution is exceeding at "JHH" due to the limit of "COD" as critical water quality parameter and after treatment, an abrupt recovery of the rivers compared with the average improved efficiency of nutrients was 79%, 74%, 68%, and 70% of COD, DO, TP, and NH3N, respectively. The color of the river's water changed to its original form and aquatic living organism appeared with clear effluents from them.
当今的生态学是建立在繁杂的框架之上的。然而，众多源头正在破坏它，比如直接导致环境污染的城市河流。为了减少城市水体的化学污染，人们引入了许多技术来恢复这些水体的水质。在本研究中，细菌技术（BT）被应用于中国不同地点（徐溪（XXU）；甘坑河（GKS）；下漳河（XZY）；丰湖和松洋河（FSR）；九濠港河（JHH））的城市河流，这凸显了控制水污染的必要性。为了进行数据分析，在处理前后测定了诸如温度、化学需氧量（COD）、溶解氧（DO）、总磷（TP）和氨氮（NH₃N）等理化参数。基于模糊层次分析法（FAHP），采用多准则决策（MCDM）方法来确定每个站点不同水质的相对重要性。总体结果显示，由于“COD”作为关键水质参数超标，“JHH”的污染程度较高，经过处理后，与营养物质的平均改善效率相比，河流的COD、DO、TP和NH₃N的突然恢复率分别为79%、74%、68%和70%。河水颜色恢复原状，并且有明显的水流流出，水生生物也出现了。
