Relevant bibliographies by topics / Rainwater harvesting system

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Rainwater harvesting system'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Rainwater harvesting system"

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I., Estong. "Sustainable Rainwater Harvesting System." Journal of Advanced Research in Dynamical and Control Systems 12, SP3 (February 28, 2020): 1107–22. http://dx.doi.org/10.5373/jardcs/v12sp3/20201357.

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Traboulsi, Hayssam, and Marwa Traboulsi. "Rooftop level rainwater harvesting system." Applied Water Science 7, no. 2 (May 7, 2015): 769–75. http://dx.doi.org/10.1007/s13201-015-0289-8.

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Han, Mooyoung, and Jaehong Ki. "Establishment of sustainable water supply system in small islands through rainwater harvesting (RWH): case study of Guja-do." Water Science and Technology 62, no. 1 (July 1, 2010): 148–53. http://dx.doi.org/10.2166/wst.2010.299.

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Many islands in Korea have problems related to water source security and supply. In particular, the water supply condition is worse in small islands which are remote from the mainland. A couple of alternatives are developed and suggested to supply water to islands including water hauling, groundwater extraction, and desalination. However, these alternatives require much energy, cost, and concern in installation and operation. Rainwater harvesting is a sustainable option that supplies water with low energy and cost. However, lack of practical or comprehensive studies on rainwater harvesting systems in these regions hinders the promotion of the system. Therefore, this research examines defects of current RWH systems on an existing island, Guja-do, and provides technical suggestions in quantitative and qualitative aspects. A simple system design modification and expansion of system capacity using empty space such as a wharf structure can satisfy both the qualitative and the quantitative water demand of the island. Since rainwater harvesting is estimated to be a feasible water supply option under the Korean climate, which is an unfavorable condition for rainwater harvesting, implies a high potential applicability of rainwater harvesting technology to other regions over the world suffering from water shortage.
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Sakson, Grażyna. "Cost analysis of a rainwater harvesting system in Poland." E3S Web of Conferences 45 (2018): 00078. http://dx.doi.org/10.1051/e3sconf/20184500078.

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Rainwater harvesting is an alternative water supply method that has become popular in recent years around the world. This is mainly due to financial reasons (reducing the cost of potable water and fees for rainwater discharge to the sewerage), but also because of environmental awareness. In Poland, rainwater harvesting systems are not often used because of their low financial viability determined by high system construction costs and the low prices of potable water. Earlier analysis conducted by the author showed that the payback period of investment outlays was from a dozen or so years for large buildings, to a few dozen for single-family houses. This situation may change after the introduction of common fees for discharging rainwater from impervious areas into sewerage, and fees for the reduction of natural retention on newly built-up areas, in accordance with new water regulations. This paper presents a cost analysis of rainwater harvesting systems for ten cities in Poland, with varying annual rainfall depth and various pricing for potable water. Analyses were carried out for a single-family house located in an area equipped with a municipal sewer system, and for a large building, located in an area equipped and not equipped with a municipal sewer system.
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Yahaya, Hafsah, Ishan Ismail, Adi Irfan Che Ani, Suhana Johar, and Mastor Surat. "Maintenance Performance Quadrant for Rainwater Harvesting System." Applied Mechanics and Materials 747 (March 2015): 321–24. http://dx.doi.org/10.4028/www.scientific.net/amm.747.321.

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Maintenance performance is a key aspect in sustaining the RWH system. This is to ensure the maximum value of installing the RWH system as well as ensuring the system performs throughout the building's lifetime. Two instruments were used during this research namely physical condition survey and questionnaire survey. The results from both instruments demonstrated cross-combination finding via maintenance performance quadrant at the end of analysis. Based on the study at 16 government buildings throughout Malaysia, the results show the majority of buildings need improvement in terms of their maintenance management, while two buildings have bad practice, which needs total refurbishment for the RWH system as well as their maintenance management. In conclusion, the physical condition of the RWH system for government building in Malaysia is regarded good and safe implemented. However, the maintenance performance can be improved with a proper maintenance guideline and management policy by the organization involved.
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Jha, Manoj K., and Nishant Shah. "Evaluating Rainwater Harvesting System for School Buildings." American Journal of Environmental Sciences 11, no. 4 (April 1, 2015): 256–61. http://dx.doi.org/10.3844/ajessp.2015.256.261.

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HATIBU, N., M. D. B. YOUNG, J. W. GOWING, H. F. MAHOO, and O. B. MZIRAI. "DEVELOPING IMPROVED DRYLAND CROPPING SYSTEMS FOR MAIZE IN SEMI-ARID TANZANIA. PART 1: EXPERIMENTAL EVIDENCE FOR THE BENEFITS OF RAINWATER HARVESTING." Experimental Agriculture 39, no. 3 (June 25, 2003): 279–92. http://dx.doi.org/10.1017/s0014479703001285.

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Farmers in the southern Kilimanjaro region of Tanzania have a strong preference for maize as their staple crop and have resisted attempts to introduce sorghum as an alternative in spite of the high drought risk associated with maize production. This paper presents the results of a seven-year period of field experiments to assess the benefits of a modified cropping system for maize, which aims to reduce drought risk through rainwater harvesting. In-situ, microcatchment and macrocatchment rainwater harvesting systems were tested against the local practice of flat cultivation as control. All were managed according to local extension recommendations, and the benefits were measured in terms of grain yield. In-situ rainwater harvesting provided no benefit. Microcatchment rainwater harvesting resulted in increased yield per unit area cultivated. On a total system area basis (i.e. including the uncropped catchment), however, production decreases were observed. A cost-benefit analysis, however, does show a benefit in the short rainy season. Macrocatchment rainwater harvesting provided increases in grain yield in both the short and the long rainy seasons.
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Shakya, Binod, and Jeewan P. Thanju. "Technical Guidelines for Installation of Rainwater Harvesting System and its Operation." Hydro Nepal: Journal of Water, Energy and Environment 12 (October 29, 2013): 45–51. http://dx.doi.org/10.3126/hn.v12i0.9032.

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Rainwater harvesting (RWH) systems have been in use since ancient times, and these days its use is increasing. However, due to improper planning and design, problems are seen and the collected water is polluted. The major reason for water contamination is attributed to the toxic materials used for the rain harvesting system, faulty operation, improper rain filtration system and improper disinfection methods. The reason for diseases arising from drinking rainwater is the consumption of contaminated rainwater. Clean raindrops comprising rainwater will become contaminated as they pass through the atmosphere, flow over the roof surface, flow along the gutter, and upon collection and storage. This paper focuses on the technical guidelines for the installation of RWH components, its operation and maintenance, and rainwater quality improvement for household use. Hydro Nepal: Journal of Water, Energy and Environment Vol. 12, 2013, January Page: 45-51DOI: http://dx.doi.org/10.3126/hn.v12i0.9032 Uploaded Date : 10/29/2013
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Igbinosa, Isoken H., and Osahon V. Osemwengie. "On-site assessment of environmental and sanitary qualities of Rainwater Harvesting System (RWH) in a rural community in Benin City, Nigeria." Journal of Applied Sciences and Environmental Management 20, no. 2 (July 25, 2016): 320–24. http://dx.doi.org/10.4314/jasem.v20i2.12.

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Around fifty percent of individuals living in underdeveloped countries lack safe drinking water and sanitation. Occasionally their water sources get contaminated with their waste leading to an elevated level of distress. The improvement of water supply, sanitation, hygiene and management of water resources can hugely prevent up to one-tenth of the global disease burden. On-site assessment of environmental and sanitary qualities of rainwater harvesting system (RWH) in households was carried out using a structured questionnaire. The structural assessment of the rainwater harvesting system showed that corrugated iron sheet was the roof type used in all sites surveyed. Also all the rainwater harvesting (RWH) system surveyed was found to have gutters, although the condition of the gutters varied: good (15%), fair (65%) and poor (20%). The harvested rainwater reservoir was mainly made of concrete (90%) with subsurface submerge in the ground. On-site assessment of the sanitary location of the RWH system showed that 5% were located near a septic tank and another 5% in flooded area. The harvested rainwater was used for several domestic purposes including drinking. All respondent agreed that they use rainwater for washing while 10% of the respondent agreed that they drink the harvested rainwater. The maintenance culture of RWH system owners was investigated. Sixty-five percent (65%) of respondent agreed that they have first diverters devise installed in the rainwater harvesting system. Ten percent (10%) of respondent has never cleaned their storage reservoir. Of the remaining respondents, 50% cleaned their reservoir once a year while 25% clean twice a year. The rainwater harvesting system in the study area lack basic environmental and structural requirements which pose potential health risk to individual who rely on the source of water for potable use.Keywords: Water shortage, Health risk, Water quality, Roof-top, Rainwater
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Ward, S., F. A. Memon, and D. Butler. "Rainwater harvesting: model-based design evaluation." Water Science and Technology 61, no. 1 (January 1, 2010): 85–96. http://dx.doi.org/10.2166/wst.2010.783.

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The rate of uptake of rainwater harvesting (RWH) in the UK has been slow to date, but is expected to gain momentum in the near future. The designs of two different new-build rainwater harvesting systems, based on simple methods, are evaluated using three different design methods, including a continuous simulation modelling approach. The RWH systems are shown to fulfill 36% and 46% of WC demand. Financial analyses reveal that RWH systems within large commercial buildings maybe more financially viable than smaller domestic systems. It is identified that design methods based on simple approaches generate tank sizes substantially larger than the continuous simulation. Comparison of the actual tank sizes and those calculated using continuous simulation established that the tanks installed are oversized for their associated demand level and catchment size. Oversizing tanks can lead to excessive system capital costs, which currently hinders the uptake of systems. Furthermore, it is demonstrated that the catchment area size is often overlooked when designing UK-based RWH systems. With respect to these findings, a recommendation for a transition from the use of simple tools to continuous simulation models is made.
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Dissertations / Theses on the topic "Rainwater harvesting system"

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O, Brien Olivia. "Domestic water demand for consumers with rainwater harvesting systems." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86514.

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Thesis (MEng)--Stellenbosch University, 2014.
ENGLISH ABSTRACT: The focus of the study is to theoretically assess tank-water demand and employ methods to establish the actual tank-water demand at selected houses in a case study area. This study also examines the influence of domestic rainwater harvesting systems when used in combination with a municipal water distribution system. The case study comprises of 410 low cost housing units in the Western Cape. The system demand patterns of low cost housing units are uncharacteristic, when compared with suburban system demand patterns, and cannot be defined by traditional models. Similarly, the use of rainwater harvesting systems in these areas follows an unconventional routine that is yet to be defined. A stochastic end-use model for water demand is developed which produces temporal profiles for water supplied from both sources, namely the water distribution system and the rainwater harvesting system. The model approximates a daily system and tank-water demand pattern for a single domestic household, using @RISK software. The demand estimation methodology is clarified through application on a particular case study site where harvested rainwater is frequently utilized. Estimates of the parameter values are based on consumer surveys and previous studies on the case study area, where the household size was defined in the form of a probability distribution. The results confirm the atypical system demand patterns in low cost housing units units. Although two clear peaks exist in the morning and in the evening, a relatively constant average flow is present throughout the day. A sensitivity analysis of all the model parameters verified that the household size has the most substantial influence on the tank-water demand pattern. The system and tank-water demand patterns were compared to published average daily water demand guidelines, which confirmed that increased water savings could be achieved when the rainwater source is accessible inside the household with minimal effort. The stochastic demand profiles derived as part of this research agree with the metered system demand in the same area. The results of this study could be incorporated into the future development of national standards.
AFRIKAANSE OPSOMMING: Die fokus van die studie is om die tenkwater-aanvraag teoreties te ontleed en metodes in werking te stel om die werklike tenkwater-aanvraag vas te stel by geselekteerde huise in ‘n gevallestudie area. Hierdie studie ondersoek ook die invloed van plaaslike reënwater-herwinningstelsels wanneer dit gebruik word in kombinasie met ‘n munisipale waterverspreidingstelsel. Die gevallestudie bestaan uit 410 laekoste behuisingseenhede in die Wes-Kaap. Die stelsel-aanvraagpatrone van laekoste behuisingseenhede is verskillend wanneer dit met voorstedelike stelsel-aanvraagpatrone vergelyk word en kan nie gedefinieer word deur tradisionele modelle nie. Soortgelyk volg die gebruik van reënwater-herwinningstelsels in hierdie areas ‘n onkonvensionele roetine. ‘n Stogastiese eindgebruikmodel vir water-aanvraag is ontwikkel, wat tydelike profiele genereer vir water wat van beide bronne verskaf word, naamlik die waterverspreidingstelsel en die reënwater-herwinningstelsel. Die model bepaal by benadering ‘n daaglikse stelsel- en tenkwater-aanvraagpatroon vir ‘n enkele plaaslike huishouding, deur @RISK sagteware. Die aanvraag-beramingstegnieke word verduidelik deur toepassing op ‘n spesifieke gevallestudie, waar herwinde reënwater gereeld gebruik word. Die parameter waardeberamings is gebaseer op verbruikers-opnames en vorige studies oor die gevallestudie-gebied, waar die grootte van die huishoudings bepaal was in die vorm van 'n waarskynlikheidsverspreiding. Die resultate bevestig die atipiese stesel aanvraagpatrone in laekoste behuisingseenhede eenhede. Alhoewel twee duidelike pieke in die oggend en die aand voorkom, is ‘n relatiewe konstante vloei dwarsdeur die dag teenwoordig. ‘n Sensitiwiteitsanalise van al die modelparameters bevestig dat die grootte van die huishouding die grootste beduidende invloed op tenkwater- aanvraagpatrone het. Die stelsel- en tenkwater-aanvraagpatrone was vergelyk met gepubliseerde gemiddelde daaglikse water-aanvraag riglyne wat bevestig dat meer waterbesparings bereik kan word waar die reënwaterbron binne die huishouding beskikbaar is met minimale moeite. Die stogastiese aanvraagprofiele, wat as deel van hierdie navorsing afgelei was, stem saam met die gemeterde stelsel-aanvraagpatroon van dieselfde area. Die resultate van hierdie studie kan in die toekomstige ontwikkeling van nasionale standaarde opgeneem word.
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Morales, Pinzón Tito. "Modelling and sustainable management of rainwater harvesting in urban systems." Doctoral thesis, Universitat Autònoma de Barcelona, 2012. http://hdl.handle.net/10803/117610.

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En esta dissertación se desarrolló un modelo para evaluar técnica, económica y ambientalmente sistemas de recogida de agua de lluvia para aprovechamiento doméstico urbano. Se analizaron diferentes tipologías de vivienda (vivienda tipo casa y vivienda tipo apartamento) y diferentes sistemas (vivienda unifamiliar, edificio de apartamentos y barrio). Se encontraron los escenarios de viabilidad económica y ambiental y se desarrollaron submodelos específicos para la evaluación directa en un amplio rango de condiciones climáticas, precios y calidad del agua para sistemas de diferentes escalas urbanas. La disertación esta preparada en cinco partes y ocho capítulos. Parte I. INTRODUCCION y MARCO METODOLOGICO APLICADO La Parte I se divide en dos capítulos. El Capítulo 1 introduce el trabajo en general y presenta un marco integral de los recursos hídricos y su importancia en las ciudades. En este capítulo se incluye la oferta y la renovabilidad de los recursos hídricos en algunos países del mundo, y las demandas de agua urbanas y las tendencias de crecimiento urbano futuro. También se muestra una relación entre consumo doméstico de agua de red y la relación entre agua y energía. Por último se exponen, la justificación y los objetivos que llevaron al desarrollo de esta tesis. El Capítulo 2 presenta la metodología general que se desarrolló, dando un especial énfasis en la modelización de sistemas, análisis económico y de evaluación ambiental. Además, en este capítulo se incluyen los sistemas analizados y estudios de casos incluidos en la investigación, así como la validación realizada en el principal modelo desarrollado. Parte II. MODELADO DE LOS SISTEMAS DE RECOGIDA DE AGUA DE LLUVIA La Parte II incluye el Capítulo 3. Este capítulo presenta en detalle el desarrollo de un modelo de simulación de los sistemas de recogida de agua de lluvia y su evaluación comparativa con otros softwares existentes. Este software se llama Plugrisost como un acrónimo de pluviales, grises y la sostenibilidad. Además, en el capítulo se describen los factores determinantes que condujeron a su creación y las nuevas características incluidas para facilitar la evaluación integral de recogida de aguas pluviales. Parte III. ASPECTOS SOCIALES, OFERTA POTENCIAL Y LOS BENEFICIOS AMBIENTALES DE AGUA DEL LLUVIA EN ZONAS URBANAS La Parte III se compone de dos capítulos. El Capítulo 4 presenta un estudio sobre el potencial de captación de aguas pluviales en los países en vías de desarrollo, teniendo como estudio de caso a Colombia. Además, este estudio muestra que algunos aspectos socio-económicos pueden influir en el potencial para captar agua de lluvia. El Capítulo 5 analiza los impactos ambientales potenciales en el contexto de los nuevos barrios en los países en desarrollo, tomando como estudio de caso a Colombia. Este capítulo presenta los modelos que se pueden aplicar en las evaluaciones ambientales rápidas en estos escenarios. Parte IV. PRINCIPALES FACTORES EN EL ANÁLISIS ECONÓMICO Y MEDIOAMBIENTAL La Parte IV se compone de dos capítulos. El Capítulo 6 analiza la viabilidad económica y financiera y el impacto ambiental de los sistemas de RWH tomando como estudio de caso a España. Se desarrollan los modelos para evaluar económica y ambientalmente estos sistemas. Además, se exponen los factores determinantes que afectan a estas evaluaciones. El Capítulo 7 se centra en analizar el efecto potencial de la calidad del agua de red en el análisis económico y ambiental de los sistemas de recogida de agua de lluvia. La dureza del agua es el parámetro analizado en un amplio intervalo de condiciones urbanas y sistemas diferentes. Parte V. CONCLUSIONES Y PRÓXIMOS PASOS La Parte IV se compone de un capítulo. El Capítulo 8 presenta las conclusiones generales de la tesis de conformidad con los objetivos fijados. También se incluye un marco de ideas para futuras investigaciones que puedan seguir desarrollándose en los sistemas de recogida de agua de lluvia.
This dissertation developed a model to evaluate technical, economic and environmental aspects of rainwater harvesting systems for domestic urban use. Different types of housing (semi-detached house and apartment house) and different systems (one single-house, apartment building and neighborhood) were analyzed. Then, scenarios of economic and environmental viability were found and specific sub-models were developed for use in the direct evaluation of a wide range of climatic conditions, prices and quality of mains water in different urban scales. The dissertation is prepared into five main parts and eight chapters. Part I. INTRODUCTION and METHODOLOGICAL FRAMEWORK APPLIED Part I is divided into two chapters. Chapter 1 introduces the general work presenting a comprehensive framework of water resources and their importance in the cities. This chapter includes the supply and renewability of water resources in some countries of the world, and the urban water demands and trends of future urban growth. Also it is shown a relationship of domestic consumption of mains water and the relationship between water and energy. Finally, the motivations and the objectives that led to this dissertation are presented. Chapter 2 presents the general methodology that was developed, giving a special emphasis on system modelling, economic analysis and environmental assessment. In addition, this chapter includes the systems and case studies included in the research and validation carried on the main model developed. Part II. MODELLING RAINWATER HARVESTING SYSTEMS Part II includes the Chapter 3. This chapter presents in detail the development of a simulation model of RWH systems, and its benchmarking against other existing softwares. This software is called Plugrisost as an acronym for pluvials, grey and sustainability. In addition, the chapter describes the determinants factors that led to its creation and the new features included to facilitate the comprehensive assessment of rainwater harvesting. Part III. SOCIAL ASPECTS, POTENTIAL SUPPLY AND ENVIRONMENTAL BENEFITS OF RAINWATER IN URBAN AREAS Part III is composed of two chapters. Chapter 4 presents a study of the potential of rainwater harvesting in countries in process of development taking as a case study in Colombia. Additionally, this study shows that some socioeconomic aspects may influence the potential to capture rainwater. Chapter 5 discusses the potential environmental impacts in the context of new neighborhoods in developing countries, taking as a case study in Colombia. This chapter presents models that can be applied in rapid environmental assessments in these scenarios. Part IV. MAIN FACTORS IN THE ECONOMIC AND ENVIRONMENTAL ANALYSIS Part IV is composed of two chapters. Chapter 6 analyzes the economic and financial viability and environmental impact of RWH systems taking as a case study in Spain. Models to asses economically and environmentally these systems are developed. Also, the determinants that affect these assessments are exposed. Chapter 7 is focused on analyzing the potential effect of water network quality in the economic and environmental analysis of RWH systems. Hardness of the water is the parameter analyzed over a broad range of urban conditions and different systems. Part V. CONCLUSIONS AND NEXT STEPS Part IV is composed of one chapter. Chapter 8 presents the overall findings of the dissertation in accordance with the stated objectives. It is also included future researches that may continue to be developed in RWH systems.
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Rodriguez, Henry. "A Comparison of Rainwater Harvesting Tank Sizing Methods: Optimizing to Reduce Greenhouse Gas Emissions versus Maximizing System Reliability." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo151577155419202.

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Tjus, Anna, and Annie Johansson. "A minor field study for combined rainwater andpond harvesting system and purification technology in the village Macedonia, Amazon basin, Colombia." Thesis, University of Skövde, School of Technology and Society, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-2471.

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This study is a bachelor degree project which focuses on the lack of safe drinking water in a small village known as Macedonia in the Amazon basin in Colombia. The inhabitants of the village are 850 to the number and have never had access to safe drinking water. To solve this problem a system has been built where the rainwater is harvested in a pond and also from a church roof

During the dry season the rainwater in the pond is harvested and pumped into sedimentation tanks. Thereafter, the water is led into the sand filtration tanks. While during the rain season, the rainwater is harvested from a church roof which is situated at highest level in Macedonia. The water is stored in a cistern and then it is led into sand filtration tanks via pipes. This means that the pond water and rainwater are never mixed before entering the filtration tanks.

The sand filtration tanks contain about 1000 mm thick layer of sand and under it, a layer of gravel which is placed in the bottom of the tank. It takes a while for the water to be filtered through the sand filtration tank. Afterwards, it is led into the final tank, where the drinking water is stored ready to be used.

The method of using slow sand filtration (SSF) is suitable for small scale-projects and therefore for this project a good idea for making drinking water. SSF requires no mechanical power or replaceable parts, this is why the technique is good for purifying water in developing and isolated areas.

The result of the system is water with satisfied quality running through pipes and taps, ready to be consumed.

 

 

 

 

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Devkota, Jay P. "Life Cycle Assessment of Rainwater Harvesting Systems at Building and Neighborhood Scales and for Various Climatic Regions of the U.S." University of Toledo / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1449871956.

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Söderqvist, Åsa. "Regnvatteninsamling för toalettspolning : Effektivitet, lämplig magasinstorlek och rekommenderade vattenreningsmetoder i Celsiushusets system." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-377027.

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Att samla in regnvatten för att använda till olika syften har under de senaste åren blivit allt vanligare i flera länder. Denna metod är fördelaktig ur flera miljömässiga och samhällsekonomiska aspekter då den bidrar till minskad dricksvattenförbrukning och förbättrad dagvattenhantering. I Sverige är tekniken relativt obeprövad men flera stora byggnader där det ska implementeras är nu under byggnation. En av dessa är Celsiushuset i Uppsala där regnvatten ska samlas in på taket för att användas till toalettspolning. I dagsläget finns bristfällig kunskap om sådana system inom sektorn för samhällsbyggnad. Syftet med examensarbetet var dels att undersöka effektiviteten (andelen av toalettspolningen som sker med regnvatten) hos Celsiushusets system och utifrån det föreslå en lämplig magasinstorlek, och dels att rekommendera vattenreningsmetoder för att inte mikrobiell tillväxt eller algtillväxt ska uppstå eller att regnvattnet ska bli missfärgat eller orsaka luktproblematik.  Effektiviteten undersöktes, tillsammans med relaterade parametrar såsom nederbörd, avrinning och insamlad nederbördsmängd, genom att utföra dagliga simuleringar för tre olika femårsperioder. Tidsperioderna motsvarade en nederbördsfattig period, en genomsnittsperiod och en nederbördsrik period mellan åren 1961-2017 och simuleringarna utgick från dygnsvärden för nederbörd och temperatur. Även förenklade kostnadsberäkningar utfördes för att undersöka kostnadens variation med varierande magasinstorlek. Reningsmetoderna rekommenderades utifrån en litteraturstudie samt beräkningar av takavrinningens föroreningsbelastning som utfördes med StormTac. För den planerade magasinstorleken på 50 m3 är systemets effektivitet störst under sommaren och hösten (60-100 % ett genomsnittsår) och lägst under årets första månader (30-40 % ett genomsnittsår). Den sammantagna effektiviteten för den planerade storleken är för den nederbördsfattiga perioden 40 %, för genomsnittsperioden 51 % och för den nederbördsrika perioden 56 %. En magasinstorlek på mellan 50 m3 och 75 m3 är lämplig för att uppnå relativt hög genomsnittlig effektivitet och årlig insamlad nederbördsmängd, utan att medföra alltför höga kostnader. Magasinet bör inte vara mindre än 50 m3 och en volym närmare 75 m3 vore fördelaktigt för den insamlade nederbördsmängden. Reningsmetoderna som rekommenderas för systemet är takbrunnar med kupolsil, avskiljning av det första flödet, sedimentering i sandfångsbrunnar och i magasinet samt ett snabbt sandfilter och UV-behandling.
In recent years, there has been an increased usage of rainwater harvesting globally. The technology reduces drinking water consumption and improves stormwater management. In Sweden, the implementation of rainwater harvesting is still at an early stage but several systems are now under construction. One of them is in Celsiushuset in Uppsala where rainwater will be used for toilet flushing. One aim of the project was to calculate the efficiency (the ratio between the volume of used rainwater and the water demand for toilet flushing) of the system. Based on the efficiency and economic calculations, an appropiate storage tank size was to be identified. An additional aim was to recommend water treatment methods that would prevent color or odour in water in the toilets and also prevent microbe and algae growth. The efficiency, along with other parameters, was examined with simulations for three periods between 1961-2017 with different precipitation amounts. Also, a simplified calculation of the systems' costs depending on tank size was carried out. The recommendation of treatment methods was made based on a literature review combined with a calculation of the roof runoff quality, which was performed in StormTac. For a tank size of 50 m3, the highest efficiency of the system is obtained during summer and autumn and varies between 60 % and 100 %. The mean efficiency for the different periods has a higher value with increased precipitation amount and the efficiency is 40 %, 51 % and 56 %, respectively. An appropiate size of the rainwater storage tank would be between 50 m3 and 75 m3. The recommended treatment methods include strainers on the roof, a first flush diverter, sedimentation, a rapid sand filter and UV treatment.
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Aguiar, Maura Andreia da Silva. "Sustentabilidade no uso de água para rega em estruturas desportivas: caso estudo - Estádio da Luz - Sport Lisboa e Benfica." Master's thesis, Escola Superior de Tecnologia do Barreiro, 2012. http://hdl.handle.net/10400.26/4250.

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Este trabalho foi realizado no âmbito do conceito de aproveitamento de água pluvial para rega em estruturas desportivas, tendo como caso de estudo o Estádio da Luz – Sport Lisboa e Benfica. Consiste, na avaliação da possibilidade de utilização/benefício associado à utilização da água pluvial para a rega do relvado do caso de estudo, em função das características da estrutura, dos registos pluviométricos e da qualidade da água pluvial.
This work was performed under the concept of harnessing rainwater for watering sports structures, taking as case study the Benfica Stadium - Sport Lisboa e Benfica. It consists in the evaluation of possibility of use / benefits associated to the use of rainwater for irrigation the lawn in the case study, according to the characteristics of the structure, of rainfall records and quality of rainwater.
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Oskarsson, Lina. "Regnvatteninsamling : Vattenbesparingspotential i svenska förhållanden med fallstudie i Järlåsa." Thesis, Uppsala universitet, Luft-, vatten- och landskapslära, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-417853.

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Vattenbesparing och alternativa lösningar för att tillgodose vattenbehovet har blivit mer aktuellt de senaste åren med torka. Regnvatteninsamling för hushållsanvändning används redan på många platser runtom i världen men är begränsad i Sverige idag. Syftet är att dels undersöka en lämplig dimensionering av ett system för regnvatteninsamling för hushåll i Jälåsa och att identifiera olika drivkrafter och hinder. Metoden i denna studie har varit dels massbalans- och effektivitetsberäkningar för att se hur mycket regnvatten som kan samlas in och dels intervjuer med två teknikleverantörer och fem kommuner för att utvärdera den juridiska, sociala och ekonomiska potentialen. Resultatet visade att tankstorlek på mellan 1000 och 4000 liter är rimligt för hushållsanvändning till toalett eller toalett och tvättmaskin och ger en effektivitet (procent av vattenbehovet som täcks av regnvatten) på mellan 83,6 % och 96,0 %. Vilken storlek som är mest lämplig beror på faktorer såsom vad regnvattnet används till, takyta, antal personer i hushållet och om first-flushbortledning används. Beräkningar visar att ungefär 19-29 % av den totala dricksvattenförbrukningen skulle kunna sparas i Järlåsa, vilket motsvarar ungefär 4 400 till 6 700 kubikmeter dricksvatten per år. Resultatet visar även att torrperioder då tanken är tom blir kortare med en större tankstorlek och det finns tydliga skillnader i volym vatten i tanken mellan olika nederbördsrika år. Enligt kommuner ansågs potentialen för regnvatteninsamling vara störst för bevattning i dagsläget men att de även var positivt inställda till annan användning såsom toalettspolning och tvättmaskin. Identifierade hinder var oro kring kontamination av dricksvatten, brist på ekonomisk lönsamhet till följd av låga dricksvattenpriser i Sverige och behov av förtydligande av krav och vilka risker som finns med regnvatteninsamling. Idag är potentialen och motivationen som störst för de som har dålig tillgång på vatten och en ökad miljömässig medvetenhet skulle kunna öka implementeringen av regnvatteninsamling i Sverige. Slutsatsen är att det finns potential för regnvatteninsamling men att det fortfarande krävs viss utveckling och mer kunskap om regnvatteninsamling under svenska förhållanden.
Water saving and alternative solutions to supply drinking water have become more important due to several consecutive droughts in recent years in Sweden. Rainwater harvesting for households is already being used in many places around the world but still has limited application in Sweden. The purpose with this study is to investigate a suitable sizing of a rainwater harvesting system in Järlåsa and to identify drivers and obstacles for implementation. The methods used in this study were firstly calculations based on mass balance and efficiency estimates and secondly interviews with two technology providers and five municipalities. The results showed that a tank size between 1000 and 4000 liters would be suitable for the purpose of supplying water for flushing toilets and for washing machines and the efficiency (percentage of water demand being met by rainwater) would be between 83,6% and 96,0%. What size tank is recommended depends on factors such as what rainwater is used for, roof area, number of people in household and whether first-flush is diverted. Results show that around 19-29%, around 4 400 to 6 700 cubic meters per year, of the total potable water consumption could be saved in Järlåsa every year using rainwater harvesting. The results also show that the dry periods, when the tank was empty, become shorter with a larger tank size and that there are distinct differences in the volume rainwater in the tank between years with varying precipitation. According to municipalities the potential was highest for irrigation purposes today but there was also potential for use in household for flushing toilets and supplying washing machines. The identified obstacles were concern regarding contamination of the drinking water supply, lack of economic profitability as a consequence of low water prices and the need for clarification of requirements and risks with rainwater harvesting. Today the potential and motivation is highest for those with an insufficient water supply and an increase in the environmental awareness could possibly enhance implementation further. The conclusion is that there is potential for rainwater harvesting but that there still is a need for some development and more knowledge regarding rainwater harvesting under Swedish conditions.
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Costa, Luciana Cristina da. "DIMENSIONAMENTO DE RESERVATÓRIOS PARA SISTEMAS DE ABASTECIMENTO DE ÁGUA DA CHUVA PARA A REGIÃO DOS CAMPOS GERAIS TENDO EM VISTA CENÁRIOS DE MUDANÇAS CLIMÁTICAS." UNIVERSIDADE ESTADUAL DE PONTA GROSSA, 2016. http://tede2.uepg.br/jspui/handle/prefix/28.

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Made available in DSpace on 2017-07-20T13:41:59Z (GMT). No. of bitstreams: 1 Luciana Cristina da Costa.pdf: 2443313 bytes, checksum: df3d1e0d636be7307896158776a53208 (MD5) Previous issue date: 2016-11-25
The objective of this study was to size the reservoir for rainwater harvesting system in the Campos Gerais of Paraná according to the methodologies proposed by the ABNT (2007), considering the impacts of climate change projected until the end of the 21st century on the fifth report of the IPCC. On this paper, the methodologies for calculation of final volume of rainwater reservoir proposed by ABNT (2007) were used, as well the historical series of rainfall data and those projected for two possible climatic scenarios were used. Through the PGECLIMA_R tool, it was possible to project the precipitation levels predicted in the best and the worst climatic scenario by the end of the century, in order to size the reservoir and analyze the impacts caused by climate change under the final volume of the rainwater reservoir. It was concluded that the designer should take into account the expected climate changes for the design of storage reservoirs and the use of rainwater, since these presented large volume variations according to each applied methodology and for each simulated scenario. When designing future precipitation data, the PGECLIMA_R software presented itself as an important tool to be used in the area of civil construction, urban and development planning.
O objetivo deste estudo foi dimensionar o reservatório para águas pluviais para a Região dos Campos Gerais do Paraná de acordo com as metodologias propostas pela ABNT (2007), considerando para tanto os impactos das alterações climáticas projetadas até o final do século XXI do quinto relatório do IPCC. Para realização deste trabalho foram utilizadas as metodologias de cálculo de volume final de reservatório de água pluvial propostas pela ABNT (2007), série histórica de dados pluviométricos assim como os projetados para dois possíveis cenários climáticos. Através da ferramenta PGECLIMA_R foi possível projetar os níveis de precipitação previstos no melhor e no pior cenário climático para o final do século, e desta forma dimensionar o reservatório e analisar os impactos causados pelas alterações climáticas sob o volume final do reservatório para águas pluviais. Concluiu-se que os métodos de dimensionamento estudados possuem grande sensibilidade quanto às alterações climáticas, sendo assim o projetista deve levar em consideração as alterações climáticas previstas para proceder com o dimensionamento de reservatórios de armazenamento e utilização das águas pluviais, uma vez que estes apresentaram grandes variações de volume de acordo com cada metodologia aplicada e para cada cenário simulado. Ao projetar dados de precipitação futuros, o software PGECLIMA_R apresentou-se como uma importante ferramenta a ser utilizada na área da construção civil, de planejamento e desenvolvimento urbano.
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Costa, Luciana Cristina da. "DIMENSIONAMENTO DE RESERVATÓRIOS PARA APROVEITAMENTO DE ÁGUA DA CHUVA CONSIDERANDO CENÁRIOS DE MUDANÇAS CLIMÁTICAS PARA A REGIÃO DOS CAMPOS GERAIS." Universidade Estadual de Ponta Grossa, 2016. http://tede2.uepg.br/jspui/handle/prefix/2637.

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Made available in DSpace on 2018-09-26T19:00:38Z (GMT). No. of bitstreams: 2 license_rdf: 811 bytes, checksum: e39d27027a6cc9cb039ad269a5db8e34 (MD5) Luciana Cristina da Costa.pdf: 9370898 bytes, checksum: 7b508cff344555ff949952d7da020a01 (MD5) Previous issue date: 2016-11-25
O objetivo deste estudo foi dimensionar o reservatório para águas pluviais para a Região dos Campos Gerais do Paraná de acordo com as metodologias propostas pela Associação Brasileira de Normas Técnicas (ABNT), considerando para tanto os impactos das alterações climáticas projetadas até o final do século XXI do quinto relatório do Painel Intergovernamental de Mudanças Climáticas. Para realização deste trabalho foram utilizadas as metodologias de cálculo de volume final de reservatório de água pluvial propostas pela ABNT, série histórica de dados pluviométricos assim como os projetados para dois possíveis cenários climáticos. Através da ferramenta PGECLIMA_R foi possível projetar os níveis de precipitação previstos no melhor e no pior cenário climático para o final do século, e desta forma dimensionar o reservatório e analisar os impactos causados pelas alterações climáticas sob o volume final do reservatório para águas pluviais. Concluiu-se que os métodos de dimensionamento estudados possuem grande sensibilidade quanto às alterações climáticas, sendo assim o projetista deve levar em consideração as alterações climáticas previstas para proceder com o dimensionamento de reservatórios de armazenamento e utilização das águas pluviais, uma vez que estes apresentaram grandes variações de volume de acordo com cada metodologia aplicada e para cada cenário simulado. Ao projetar dados de precipitação futuros, o software PGECLIMA_R apresentou-se como uma importante ferramenta a ser utilizada na área da construção civil, de planejamento e desenvolvimento urbano.
The objective of this study was to size the reservoir for rainwater harvesting system in the Campos Gerais of Paraná according to the methodologies proposed by the ABNT (2007), considering the impacts of climate change projected until the end of the 21st century on the fifth report of the Intergovernmental Panel on Climate Change. On this paper, the methodologies for calculation of final volume of rainwater reservoir proposed by ABNT (2007) were used, as well the historical series of rainfall data and those projected for two possible climatic scenarios were used. Through the PGECLIMA_R tool, it was possible to project the precipitation levels predicted in the best and the worst climatic scenario by the end of the century, in order to size the reservoir and analyze the impacts caused by climate change under the final volume of the rainwater reservoir. It was concluded that the designer should take into account the expected climate changes for the design of storage reservoirs and the use of rainwater, since these presented large volume variations according to each applied methodology and for each simulated scenario. When designing future precipitation data, the PGECLIMA_R software presented itself as an important tool to be used in the area of civil construction, urban and development planning.
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Books on the topic "Rainwater harvesting system"

1

International Rainwater Catchment Systems Conference (12th 2005 New Delhi, India). Proceedings of the XII International Rainwater Catchment Systems Conference 2005: "Mainstreaming rainwater harvesting". New Delhi: Action for Food Production, 2006.

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Rockström, Johan. Water-balance accounting: For designing and planning rainwater-harvesting systems for supplementary irrigation. Nairobi, Kenya: Regional Land Management Unit, 2001.

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National Conference on Rainwater Catchment Systems in Kenya (2nd 1992 Nairobi, Kenya). Proceedings of the Second National Conference on Rainwater Catchment Systems in Kenya: Nairobi, 30th August-4th September, 1992. Nairobi: GS Consult [distributor], 1993.

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International, Conference on Rainwater Catchment Systems (6th 1993 Nairobi Kenya). Participation in rainwater collection for low income communities and sustainable development: Proceedings of the Sixth International Conference on Rainwater Catchment Systems, Nairobi, 1-6 August, 1993. Nairobi, Kenya: International Rainwater Catchment Systems Association, 1994.

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Gould, John E. An investigation of the potential role for rainwater catchment systems in rural water supply in Botswana: Final draft report. [Gaborone]: University of Botswana, Research and Publications Committee, 1995.

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Gould, John. Rainwater catchment systems for domestic supply: Design, construction and implementation. London: Intermediate Technology Publications, 1999.

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Fryer, Julie. The complete guide to water storage: How to use gray water and rainwater systems, rain barrels, tanks, and other water storage techniques for household and emergency use. Ocala, Fla: Atlantic Pub. Group, 2012.

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Eng, Rob Avis P., and Michelle Avis P. Eng. Essential Rainwater Harvesting: A Guide to Home-Scale System Design. New Society Publishers, 2018.

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Brown, Daniel M. Modern Potable Rainwater Harvesting, 2nd Edition: System Design, Construction, and Maintenance. CreateSpace Independent Publishing Platform, 2018.

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Novak, Celeste Allen, Eddie Van Giesen, and Kathy M. DeBusk. Designing Rainwater Harvesting Systems: Integrating Rainwater into Building Systems. Wiley, 2014.

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Book chapters on the topic "Rainwater harvesting system"

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Haq, Syed Azizul. "Rainwater Supply System." In Harvesting Rainwater from Buildings, 135–51. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-46362-9_8.

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Zhu, Qiang. "Dimensioning the Rainwater Harvesting System." In Rainwater Harvesting for Agriculture and Water Supply, 43–98. Singapore: Springer Singapore, 2015. http://dx.doi.org/10.1007/978-981-287-964-6_2.

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Mtanda, Msafiri Mussa, Sakshi Gupta, and Deepak Khare. "Rainwater Harvesting System Planning for Tanzania." In Water Management and Water Governance, 413–25. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58051-3_27.

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Sharma, Rajeev, Keshab Ch Gogoi, and Saikat Chatterjee. "Automatic Irrigation System with Rainwater Harvesting." In Advances in Communication, Devices and Networking, 467–78. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2911-2_48.

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Zhu, Qiang. "Structural Design of the Rainwater Harvesting System." In Rainwater Harvesting for Agriculture and Water Supply, 99–138. Singapore: Springer Singapore, 2015. http://dx.doi.org/10.1007/978-981-287-964-6_3.

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Zhu, Qiang. "Erratum to: Structural Design of the Rainwater Harvesting System." In Rainwater Harvesting for Agriculture and Water Supply, E1—E2. Singapore: Springer Singapore, 2015. http://dx.doi.org/10.1007/978-981-287-964-6_12.

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Karthik, Akkenaguntla, A. V. Pavan Kumar, T. M. Manohar Reddy, Anumula Amarnath, and Banka Sai Reddy. "Roof Top Agriculture with Rainwater Harvesting and Smart Irrigation System." In Springer Proceedings in Energy, 463–74. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0235-1_37.

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Kusumastuti, C., and H. P. Chandra. "Rainwater for Domestic Use in Urban Area: A Simulation of Rainwater Harvesting System for Surabaya, Indonesia." In Water Security in Asia, 401–11. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-54612-4_30.

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Gowing, John, Lisa Bunclark, Henry Mahoo, and Frederick Kahimba. "The ‘Majaluba’ Rice Production System: A Rainwater Harvesting ‘Bright Spot’ in Tanzania." In Rainwater-Smart Agriculture in Arid and Semi-Arid Areas, 303–21. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-66239-8_16.

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Corvaro, Sara. "Rainwater Harvesting System Efficiency and Economic Assessment for Different Residential Building Typologies." In New Trends in Urban Drainage Modelling, 948–52. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99867-1_163.

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Conference papers on the topic "Rainwater harvesting system"

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Kumar Reddy, C. Kishor, P. R. Anisha, Rajashekar Shastry, B. V. Ramana Murthy, and Vuppu Padmakar. "Automated Rainwater Harvesting System." In 2019 International Conference on Communication and Electronics Systems (ICCES). IEEE, 2019. http://dx.doi.org/10.1109/icces45898.2019.9002275.

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Araújo Lemos, Diego, Márcio Araújo, and Arthur Pordeus. "Rainwater harvesting automatic system." In 24th ABCM International Congress of Mechanical Engineering. ABCM, 2017. http://dx.doi.org/10.26678/abcm.cobem2017.cob17-1530.

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Whear, John H. "Rainwater Harvesting as a Distributed Resource." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-40593.

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Explore the possibilities, difficulties, and benefits of large scale rainwater harvesting using recycled water distribution systems. This paper explores the growing use of recycled water and the possibilities that distribution systems have created. It investigates water quality of rainwater harvesting (RWH) systems and the quality of recycled water and their uses. It examines the amount of rain water available using aproximatly 10% of available roof area in the city and examines the benefits of large scale rainwater harvesting unique to San Antonio. An exhaustive search of published materials was conducted, coupled with communications with the Texas Water Development Board and the San Antonio Water System. Quality standards for recycled water were compared with known test results for harvested rainwater. With the use of mathematical models, a distributed rainwater harvesting systems was compared to a stand alone system. Connection to a distribution system reduces the cost of rainwater harvesting by eliminating the need for large amounts of storage, which can account for 50% of the total costs of a standalone system. With minor filtering and periodic quality checks, large structures may supply sufficient amounts of rainwater to justify being a source of water in a recycled water distribution system.
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Sharieh, Ahmad S., and Ola M. Surakhi. "Rooftop rainwater harvesting system in Amman city." In 2017 2nd International Conference on the Applications of Information Technology in Developing Renewable Energy Processes & Systems (IT-DREPS). IEEE, 2017. http://dx.doi.org/10.1109/it-dreps.2017.8277799.

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"ECOFLUSH - WASTEWATER RECYCLING AND RAINWATER HARVESTING TOILET FLUSH SYSTEM." In International Conference on Advancements and Recent Innovations in Mechanical, Production and Industrial Engineering. ELK Asia Pacific Journals, 2015. http://dx.doi.org/10.16962/elkapj/si.arimpie-2015.18.

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Lasya, Bandi, Yetinthala Bhavana, Bachu Deekshitha, and B. K. Priya. "An Innovative and Effective Electronic Based Automatic Rainwater Harvesting System." In 2020 Third International Conference on Smart Systems and Inventive Technology (ICSSIT). IEEE, 2020. http://dx.doi.org/10.1109/icssit48917.2020.9214118.

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Sari, Putri, Dodit Ardiatma, and Hadi Ismanto. "Evaluation of Rainwater Harvesting System On Skin-Deo Factory Cikarang." In Proceedings of the 1st International Conference on Economics Engineering and Social Science, InCEESS 2020, 17-18 July, Bekasi, Indonesia. EAI, 2021. http://dx.doi.org/10.4108/eai.17-7-2020.2303069.

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"Regionalisation of water savings from rainwater harvesting system in Greater Sydney." In 20th International Congress on Modelling and Simulation (MODSIM2013). Modelling and Simulation Society of Australia and New Zealand (MSSANZ), Inc., 2013. http://dx.doi.org/10.36334/modsim.2013.l8.sharmeen.

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Cheng, Alexander Liu, Luis Moran Silva, Martin Real Buenano, and Nestor Llorca Vega. "Development of an Adaptive Rainwater-Harvesting System for Intelligent Selective Redistribution." In 2019 IEEE Fourth Ecuador Technical Chapters Meeting (ETCM). IEEE, 2019. http://dx.doi.org/10.1109/etcm48019.2019.9014909.

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Auret, Lidia, and Margret Bauer. "A residential rainwater harvesting system as a control engineering challenge problem." In 2019 American Control Conference (ACC). IEEE, 2019. http://dx.doi.org/10.23919/acc.2019.8814314.

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