Reuso não potável de água em edifícios

AUTOR(ES)

Hélio Vitor Reis dos Santos

FONTE

IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia

DATA DE PUBLICAÇÃO

15/08/2012

RESUMO

Knowing the primary role of drinkable water for the survival of living beings, and realizing that every day concerns about the future as a result of this reduction in the world increases. It is critical that there are initiatives that have a goal of reducing the consumption of per capita drinkable water without causing drastic changes in the habits of its users. There are several technologies that can reduce the waste of water in buildings, and the use of rainwater and reuse of gray water, for example those from the shower, for uses less noble, such supply boxes toilets, one of the most important alternatives to this reduction. Therefore, this study aims to examine, in vertical buildings, the feasibility of storing and using rainwater for use in toilets on the top floor of the building, in addition to the reuse of water used in showers on the upper floors toilets on the lower floors. To calculate the optimal size of the tank to capture rainwater from the present study we used the method Rippl. The implementation of the system using rainwater and reuse shower water for use in toilets contributes its users so that they reduce the consumption of drinkable water and consequently spending on local supply company. This can be seen, therefore, with the use of the proposed system at work, there is a reduction in the volume of drinkable water used in the building up to 1620 liters per apartment per month, except for the apartments on the top floor of the building, because they are fuelled by rain water and in the drought, a few months there will be rain water available requiring them to use mains water supply site. Taking into consideration the location of Brasilia, the per capita monthly expenditure of 13,810 liters, and with this economy up to 1620 liters, an economy for the 3 apartment dwellers, so we can say that the economy per person is 540 liters per month, which represents almost 4% less water per person per month in the city of Brasilia.

ASSUNTO(S)

ciencias biologicas drinkable water use of rainwater toilets água reutilização edifícios vasos sanitários águas pluviais greywater reuse

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