Potential for Potable Water Savings Due to Rainwater Use in a Precast Concrete Factory

The objective of this paper was to assess the potential for potable water savings due to rainwater use in a precast concrete factory in southern Brazil. The economic feasibility and the rainwater quality were also assessed. The current water consumption, future water demand, and rainwater demand in...

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Main Authors: Giovanna Bertuzzi, Enedir Ghisi
Format: Article
Language:English
Published: MDPI AG 2021-02-01
Series:Water
Subjects:
Online Access:https://www.mdpi.com/2073-4441/13/4/448
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author Giovanna Bertuzzi
Enedir Ghisi
author_facet Giovanna Bertuzzi
Enedir Ghisi
author_sort Giovanna Bertuzzi
collection DOAJ
description The objective of this paper was to assess the potential for potable water savings due to rainwater use in a precast concrete factory in southern Brazil. The economic feasibility and the rainwater quality were also assessed. The current water consumption, future water demand, and rainwater demand in the factory were estimated. The future demand considered was two times higher than the current water consumption since there were plans to increase the production. Three scenarios were then simulated using the computer programme <i>Netuno</i>. The ideal rainwater tank capacity, the potential for potable water savings, and the economic feasibility analysis for each scenario were estimated. Samples of rainwater were collected in the factory and tested for quality for manufacturing precast concrete. For a rainwater tank capacity equal to 25,000 L, the potential for potable water savings for the first scenario was 55.4%, but the first scenario was considered economically unfeasible. For the same tank capacity, the second and third scenarios presented viable results regarding potable water savings and payback. As for the rainwater quality, it was proven to be adequate for manufacturing precast concrete. The main conclusion was that rainwater can be used to manufacture precast concrete in the factory studied herein.
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spelling doaj.art-ea345908fe3a449bb5ce1fe6979105ee2023-12-03T13:00:53ZengMDPI AGWater2073-44412021-02-0113444810.3390/w13040448Potential for Potable Water Savings Due to Rainwater Use in a Precast Concrete FactoryGiovanna Bertuzzi0Enedir Ghisi1Laboratory of Energy Efficiency in Buildings, Department of Civil Engineering, Federal University of Santa Catarina, Florianópolis, SC 88040-900, BrazilLaboratory of Energy Efficiency in Buildings, Department of Civil Engineering, Federal University of Santa Catarina, Florianópolis, SC 88040-900, BrazilThe objective of this paper was to assess the potential for potable water savings due to rainwater use in a precast concrete factory in southern Brazil. The economic feasibility and the rainwater quality were also assessed. The current water consumption, future water demand, and rainwater demand in the factory were estimated. The future demand considered was two times higher than the current water consumption since there were plans to increase the production. Three scenarios were then simulated using the computer programme <i>Netuno</i>. The ideal rainwater tank capacity, the potential for potable water savings, and the economic feasibility analysis for each scenario were estimated. Samples of rainwater were collected in the factory and tested for quality for manufacturing precast concrete. For a rainwater tank capacity equal to 25,000 L, the potential for potable water savings for the first scenario was 55.4%, but the first scenario was considered economically unfeasible. For the same tank capacity, the second and third scenarios presented viable results regarding potable water savings and payback. As for the rainwater quality, it was proven to be adequate for manufacturing precast concrete. The main conclusion was that rainwater can be used to manufacture precast concrete in the factory studied herein.https://www.mdpi.com/2073-4441/13/4/448rainwater harvestingrainwater qualityprecast concretefinancial analysiscomputer simulation
spellingShingle Giovanna Bertuzzi
Enedir Ghisi
Potential for Potable Water Savings Due to Rainwater Use in a Precast Concrete Factory
Water
rainwater harvesting
rainwater quality
precast concrete
financial analysis
computer simulation
title Potential for Potable Water Savings Due to Rainwater Use in a Precast Concrete Factory
title_full Potential for Potable Water Savings Due to Rainwater Use in a Precast Concrete Factory
title_fullStr Potential for Potable Water Savings Due to Rainwater Use in a Precast Concrete Factory
title_full_unstemmed Potential for Potable Water Savings Due to Rainwater Use in a Precast Concrete Factory
title_short Potential for Potable Water Savings Due to Rainwater Use in a Precast Concrete Factory
title_sort potential for potable water savings due to rainwater use in a precast concrete factory
topic rainwater harvesting
rainwater quality
precast concrete
financial analysis
computer simulation
url https://www.mdpi.com/2073-4441/13/4/448
work_keys_str_mv AT giovannabertuzzi potentialforpotablewatersavingsduetorainwateruseinaprecastconcretefactory
AT enedirghisi potentialforpotablewatersavingsduetorainwateruseinaprecastconcretefactory