Abstract
An adequate supply of safe drinking water is one of major ways to obtain healthy life. Water filter system is one way to improve the water quality. However, to maintain the performance of the system, it need to undergo the maintenance service. This study evaluate the requirement of maintenance service in water filter system. Water quality was measured before and after maintenance service. Parameters measured were pH, turbidity, residual chlorine, nitrate and heavy metals and these parameters were compared with National Drinking Water Quality Standards. Collection of data were involved three housing areas in Johor. The quality of drinking water from water filter system were analysed using pH meter, turbidity meter, DR6000 and Inductively Coupled Plasma-Mass Spectrometer. pH value was increased from 16.4% for before maintenance services to 30.7% for after maintenance service. Increment of removal percentage for turbidity, residual chlorine and nitrate after maintenance were 21.5, 13.6 and 26.7, respectively. This result shows that maintenance service enhance the performance of the system. However, less significant of maintenance service for enhance the removal of heavy metals which the increment of removal percentage in range 0.3 to 9.8. Only aluminium shows percentage removal for after maintenance with 92.8% lower compared to before maintenance service with 95.5%.
Highlights
Malaysians spend billions of ringgits each year on water filter system units that installed in their house
It is shown that most Malaysian used water filter system to improve on their tap water in whole Malaysia. [2] was conducted a study to compare water quality from water filter system and user perception
The respondents think that the water could bring adverse impact to their health if no water filter system installed in their homes
Summary
Malaysians spend billions of ringgits each year on water filter system units that installed in their house. According to the survey National Consumer Water Quality January 1999, 38% of resident use a water filter system at home which is increase by 10% since 1995 [1]. It is shown that most Malaysian used water filter system to improve on their tap water in whole Malaysia. [2] was conducted a study to compare water quality from water filter system and user perception. The respondents think that the water could bring adverse impact to their health if no water filter system installed in their homes. The study reported that 85% of respondents used water filter system in their homes due to convenience and comfortable compare to boiling the water
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