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Desinfecção da água utilizando aquecimento solar

Authors: Javara, Miriam Aparecida Geraldo;

Desinfecção da água utilizando aquecimento solar

Abstract

O processo de desinfecção solar térmico da água consiste em elevar a temperatura da mesma por um período suficiente de tempo, utilizando sistema de aquecimento solar. Optou-se, neste trabalho, pelo sistema solar, pois suas características físicas permitem maior aquecimento num menor tempo. Com este equipamento buscou-se uma temperatura ideal capaz de eliminar o maior número de patógenos existentes em água contaminada. O objetivo do ensaio foi propor um tratamento da água utilizada no meio agrícola, evitando-se assim, o emprego de produtos químicos na purificação da mesma. Para a determinação da eficiência do sistema, foram consideradas as vazões, a temperatura na entrada e saída da água do equipamento. Avaliou-se a qualidade microbiológica de amostras de água tratada e não tratada, proveniente de águas residuárias. Concluiu-se que, a água, a uma temperatura acima de 46 ºC apresenta ausência de coliformes fecais e totais, sendo, portanto, um tratamento eficiente.

The process of thermal solar disinfection of water consists of raising the temperature for enough period of time, using solar heating system. The solar system has been chosen due to its physical characteristics which enable greater heating in a lesser time. The purpose of using this equipment was to have an ideal temperature capable of eliminating the biggest number of pathogens in contaminated water. The aim of this assay was to consider a treatment of the water used in the agriculture preventing from the use of chemical products in the purification. In order to determine the system efficiency, the outflows and the water temperature to the entrance and exit from the equipment were considered. The microbiological quality of treatd and mon-treatd water from residuary water samples were evaluated. Therefore, water to a temperature above a 46º C presents absence of fecal and total coliforms resulting in an efficient treatment.

Pós-graduação em Agronomia (Energia na Agricultura) - FCA

Universidade Estadual Paulista (UNESP)

Country
Brazil
Keywords

Tratamento de água, Aquecimento solar, Agua - Purificação, Solar radiation, Water treatment, Radiação solar, Water desinfection

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green