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  • 1
    Online Resource
    Online Resource
    Cham :Springer International Publishing :
    Keywords: Geology. ; Pollution. ; Water. ; Hydrology. ; Physical geography. ; Geology. ; Pollution. ; Water. ; Earth System Sciences.
    Description / Table of Contents: 1. Introduction -- 2. Urban hydrology -- 3. Research of rainwater infiltration -- 4. Percolation facilities -- 5. Legislation – technical standards -- 6. Results of research- Design of percolation facility -- 7. Recommendations.
    Abstract: The book presents a comprehensive study of the percolation of water from surface runoff with a focus on the retention capacity and intensity of precipitation. Discussing the state of the art in scientific knowledge and solutions for the infiltration of water from surface runoff, the book addresses a wide variety of rainwater management issues, from precipitation, surface runoff and water infiltration, to impact on the drainage system. Although modern urban hydrology has improved the management of rainwater runoff for flood protection, public health, and environmental protection, current methods of drainage in urban areas mean that there is a continued threat to the regime of water flow and water resources. In this context, the book presents a new approach to rainwater management based on a unique fusion of hydrology, hydrogeology, urban engineering, and water management. It also includes research findings that are helpful in developing recommendations and technical guidelines for the use of infiltration systems in urban areas.
    Type of Medium: Online Resource
    Pages: XIII, 141 p. 94 illus., 82 illus. in color. , online resource.
    Edition: 1st ed. 2020.
    ISBN: 9783030346980
    Series Statement: Water Science and Technology Library, 89
    DDC: 551
    Language: English
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  • 2
    Online Resource
    Online Resource
    Cham :Springer International Publishing :
    Keywords: Pollution. ; Water. ; Hydrology. ; Buildings Design and construction. ; Physical geography. ; Pollution. ; Water. ; Building Construction and Design. ; Earth System Sciences.
    Description / Table of Contents: 1.Introduction -- 2.Water resources in Europe -- 3.Demand for water in the building -- 4.Alternative water sources -- 5.Research on the effectiveness of systems with alternative water sources for buildings located in selected European countries -- 6.Research on the financial effectiveness of alternative water supply systems in European countries -- 7.The impact of rainwater harvesting and greywater recycling systems on sewage systems and the environment -- 8.Public perceptions of water shortages, conservation behaviors and possibilities of using alternatives water sources in buildings in European countries -- 9.Summary and final conclusions.
    Abstract: This book expands the body of scientific knowledge on research and solutions for alternative water systems. It addresses a wide variety of water management issues in buildings, ranging from the technical possibilities, hydraulic and financial efficiency, and public acceptance of decentralized water systems, to their impact on sewage systems. Climate changes, population growth, and progressive urbanization are the main causes of the growing interest in alternative sources of water around the world. Decentralized systems are seen not only as solutions that can effectively save water, but also as systems that can operate partially or completely independently of centralized suppliers. With these aspects in mind, the main focus of this book is on showcasing a new approach to water management at the building scale. The findings and insights presented here will support the development of future technical guidelines for using alternative water systems in urban areas – an aspect that is particularly important since, in many European countries, these systems are only very rarely used.
    Type of Medium: Online Resource
    Pages: XI, 175 p. 101 illus., 31 illus. in color. , online resource.
    Edition: 1st ed. 2020.
    ISBN: 9783030359591
    Series Statement: Water Science and Technology Library, 90
    DDC: 363.73
    Language: English
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  • 3
  • 4
    Publication Date: 2019-08-06
    Description: The Life Cycle Cost (LCC) analysis on selected alternative systems was carried out to reduce the demand for potable water and energy in a detached house designed in accordance with the concept of environmentally friendly house. The tests included a rainwater harvesting system, graywater recycling system, solar panels, photovoltaic panels, air heat pumps, ground heat pumps, wind turbines, drain water heat recovery units, and biomass boilers. The analysis was made for many investment variants where different combinations of the mentioned solutions were applied. In addition to the LCC analysis, some tests were also carried out to determine an impact of the investment options on the environment. This was done by calculating CO2, SO2, NOx, CO and dust emissions. The research was carried out for a different number of occupants and variable levels of water consumption, which allowed determining the impact of these parameters on the results obtained. They showed that for any of the computational cases the traditional option of the installation was not the most advantageous solution in financial and environmental terms, and the systems in question could be an alternative to this option. Thanks to their implementation, the consumption of fossil energy resources and natural water resources will be reduced, and the emission of pollutants will be limited, which will contribute to an improvement of the natural environment.
    Electronic ISSN: 2075-5309
    Topics: Architecture, Civil Engineering, Surveying
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  • 5
    Publication Date: 2019-03-05
    Description: Decentralized water systems are perceived as solutions that not only save water, but also as a way to partially or completely become independent from centralized suppliers. Taking this into account, an analysis of the effectiveness of rainwater harvesting systems (RWHS) for toilet flushing in existing academic facilities located in Poland and in Slovakia was carried out. The tests took into account the different volumes of storage tanks collecting rainwater. On the basis of two financial ratios, namely Net Present Value and Discounted Payback Period, the profitability of these systems was also assessed. The research was extended by the sensitivity analysis, which allowed determination of the impact of changes in individual cost components on the financial effectiveness of the investments considered. The results obtained clearly showed that the implementation of RWHS in the dormitory in Rzeszów was unprofitable for all tank capacities tested, and the payback period significantly exceeded the period of 30 years accepted for the analysis. Completely different results were obtained for RWHS in a dormitory located in the city of Košice, for which the financial ratios NPV (Net Present Value) and DPP (Discounted Payback Period) were very favorable. It was also confirmed by the results of the sensitivity analysis. The use of rainwater for toilet flushing caused that it was possible to achieve water savings of an average of 29% and 18%, respectively, for facilities located in Slovakia and Poland. The results of the research have a practical aspect and can provide an indication for potential investors and managers of academic facilities, similar to those analyzed in the article. Taking into account that in many countries water and sewage rates are significantly higher than in Poland and Slovakia, the cost-effectiveness of using the analyzed installation options in these countries could be even higher.
    Electronic ISSN: 2073-4441
    Topics: Energy, Environment Protection, Nuclear Power Engineering
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  • 6
  • 7
    Publication Date: 2021-02-04
    Description: Sample pooling strategy was intended to determine the optimal parameters for group testing of pooled specimens for the detection of SARS-CoV-2 and process them without significant loss of test usability. Standard molecular diagnostic laboratory equipment, and commercially available centrifugal filters, RNA isolation kits and SARS Cov2 PCR tests were used. The basic idea was to combine and concentrate several samples to the maximal volume, which can be extracted with the single extraction column. Out of 16 tested pools, 12 were positive with cycle threshold (Ct) values within 0.5 and 3.01 Ct of the original individual specimens. The analysis of 112 specimens determined that 12 pools were positive, followed by identification of 6 positive individual specimens among the 112 tested. This testing was accomplished with the use of 16 extractions/PCR tests, resulting in saving of 96 reactions but adding the 40 centrifugal filters. The present study demonstrated that pool testing could detect even up to a single positive sample with Ct value as high as 34. According to the standard protocols, reagents and equipment, this pooling method can be applied easily in current clinical testing laboratories.
    Electronic ISSN: 2045-2322
    Topics: Natural Sciences in General
    Published by Springer Nature
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