scholarly journals Review of antibiotic resistance genes in urban water supply system

2021 ◽  
Vol 864 (1) ◽  
pp. 012031
Author(s):  
D Zhong ◽  
Z Zhou ◽  
W Ma ◽  
K Li ◽  
C Dai
2017 ◽  
Vol 37 (1) ◽  
pp. 58 ◽  
Author(s):  
Jure Margeta ◽  
Bojan Đurin

Paper describes and analyses new and innovative concept for possible integration of solar photovoltaic (PV) energy in urban water supply system (UWSS). Proposed system consists of PV generator and invertor, pump station and water reservoir. System is sized in such a manner that every his part is sized separately and after this integrated into a whole. This integration is desirable for several reasons, where the most important is the achievement of the objectives of sustainable living in urban areas i.e. achieving of sustainable urban water supply system. The biggest technological challenge associated with the use of solar, wind and other intermittent renewable energy sources RES is the realization of economically and environmentally friendly electric energy storage (EES). The paper elaborates the use of water reservoires in UWSS as EES. The proposed solution is still more expensive than the traditional and is economically acceptable today in the cases of isolated urban water system and special situations. Wider application will depend on the future trends of energy prices, construction costs of PV generators and needs for CO2 reduction by urban water infrastructure.


2020 ◽  
Vol 69 (8) ◽  
pp. 858-893 ◽  
Author(s):  
Huan-Feng Duan ◽  
Bin Pan ◽  
Manli Wang ◽  
Lu Chen ◽  
Feifei Zheng ◽  
...  

Abstract In the context of smart city development and rapid urbanization worldwide, urban water supply system (UWSS) has been of vital importance to this process. This paper presents a comprehensive review on the transient flow research for UWSS management. This review consists of two aspects as follows. The first aspect is about the development and progress of current transient theory, including transient flow models, unsteady friction and turbulence models, and numerical simulation methods. The other aspect is about the utilization and application of transient-based methods for effective UWSS diagnosis and management, including leakage, discrete and extended partial blockages, unknown branch, and other defects in water pipelines. A total of 228 publications have been reviewed and analyzed in this paper. In addition to the state-of-the-art progress and achievement of the research on transients, the advances and recommendations of future work in this field are also discussed for the development and management of next-generation smart UWSS in the paper.


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