Alteração na qualidade da água de abastecimento por filtros domésticos

Linda  Nishihara; Janete  Alaburda

doi:10.53393/rial.1996.56.36578

Vol. 56 No. 1 (1996), ORIGINAL ARTICLE

Vol. 56 No. 1 (1996)

Changes in drinking water quality submitted to household filters

ORIGINAL ARTICLE

https://doi.org/10.53393/rial.1996.56.36578

Published 1996-06-28

Linda Nishihara⁺⁻
Janete Alaburda⁺⁻

Linda Nishihara

Instituto Adolfo Lutz

Janete Alaburda

Instituto Adolfo Lutz

pdf (Português (Brasil))

Keywords

Filter-water
Drinking water
Physical-chemical parameters of drinking water

How to Cite

1.

Nishihara L, Alaburda J. Changes in drinking water quality submitted to household filters. Rev Inst Adolfo Lutz [Internet]. 1996 Jun. 28 [cited 2024 Jul. 22];56(1):53-7. Available from: https://periodicos.saude.sp.gov.br/RIAL/article/view/36578

Abstract

Physico-chemical analysis of filtered water from household filtration systems were compared witb one of unfiltered water in order to evaluate such systems. The determinations included
colour, turbidity, dried residue, pH, hardness, oxygen consumption, iron, nitrate, chloride and free chlorine. Improvement in colour and turbidity was observed in most of the cases, lhe taste also improved due to the retention of the free chlorine by the totality of filters analysed. However, in the filtered water was observed an increase of 70% and 61 % of dricd residue and hardness, respectively, some filters also caused an increase in oxygen consumption (30%) and nitrate concentration (12%) after the filtration.

https://doi.org/10.53393/rial.1996.56.36578

pdf (Português (Brasil))

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