tap water Articles
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BREWERY, Madagascar: Ecoskid–Elimination of turbidity and microbiological retention
The Star breweries (the only Malagasy brewery) had been brewing beer for more than 15 years under the Three Hours Beer brand.The tap water that has to be used as part of a new non-alcoholic drinks production line called for an appropriate treatment to guarantee constant quality.Two other production sites on the island will also be ...
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The influence of divalent ions on the rejection of carbamazepine in the presence of humic acid by nanofiltration
Effect of calcium and magnesium ions and Natural Organic Matter (NOM) on the removal of carbamazepine (CBZ) was investigated by nanofiltration in this study. Water matrix which was used in these experiments was Tehran tap water and deionised water (DI) as control group. Effect of magnesium and calcium ions were examined by doubling the amount of target ions in tap water and Humic Acid (HA) was ...
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Layered double hydroxide (LDH)-coated attapulgite for phosphate removal from aqueous solution
In this study, a composite adsorbent, layered double hydroxide (LDH)-coated attapulgite (LDH-AP), was synthesized and characterized. Its potential application for LDH stabilizer and phosphate (P) removal from aqueous solution was evaluated using the batch mode and continuous mode in a packed bed column. The batch experiments revealed that the data of P adsorption onto LDH-AP could be well ...
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Differences in water consumption choices in Canada: the role of socio-demographics, experiences, and perceptions of health risks
In 2000 and 2001 Canadians were shocked by water contamination events that took place in two provinces. In 2004 we undertook an internet-based survey across Canada that asked respondents to identify in percentage terms their total drinking water consumption according to one of three sources: tap water, bottled water, and home-filtered water (either some type of container or an in-tap filter ...
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Elution of bisphenol A and its chlorination by-products from lined pipes in water supply process
Elution of bisphenol A (BPA), chlorinated BPAs (i.e., 3-chlorobisphenol A, sum of 3,5-dichlorobisphenol A and 3,3′-dichlorobisphenol A, 3,3′,5-trichlorobisphenol A, and 3,3′,5,5′-tetrachlorobisphenol A) and 2,4,6-trichlorophenol (TCP) from lined pipes coated with two epoxy resins were investigated in a 24-month continuous test passing tap water. BPA, chlorinated ...
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PETIT LAC DE CLAIRVAUX, France: Skid–Elimination of turbidity, organic micropollutants and microbiological retention
The objective of the Petit Lac de Clairvaux plant is to ensure tap water with exceptional organoleptic qualities (clarity, tasteless or odourless). The new Ultrafiltration plant treating water from a natural lake with the Cristal® process has replaced the obsolete traditional ...
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Perfluorinated compounds contamination in tap water and bottled water in Bangkok, Thailand
Perfluorinated compounds (PFCs) such as perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA) have been detected in the environment, in biota and in humans. The exposure pathways of these chemicals to humans are unclear. Tap water and bottled water are two possible pathways of PFCs occurrence in human blood. The major objectives of the study were to identify the occurrences of PFCs ...
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Rainwater suitable as replacement for tap water in individual cases
A Parliamentary initiative (10.503) launched by National Councillor Adèle Thorens Goumaz (Greens) calls for rainwater to be used more extensively for purposes that do not require drinking water quality. The initiator is hoping to reduce the consumption of drinking water as a result. In addition, the initiative is seeking to increase the amount of rainwater that percolates into the soil. ...
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Factors influencing public perception and use of municipal drinking water
Despite more stringent regulations concerning drinking water quality in many countries, the public is increasingly concerned about the safety of municipal tap water. For this reason, acquiring a better understanding of consumer perception of tap water is an important issue for water authorities and utility managers. In this study, water consumption choice and profile were investigated. The case ...
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Evaluation of
Enterococcus -infecting phages as indices of fecal pollutionNo microbial source tracking tool satisfies all the characteristics of an ideal indicator of human fecal pollution. For this reason, the potential of Enterococcus faecalis phages (enterophages) as markers of this type of contamination was tested by using eight Enterococcus type strains as the possible hosts. The prevalence of enterophages in animal feces and domestic sewage were determined, as ...
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Waterborne disease outbreak detection: an integrated approach using health administrative databases
Hundreds of waterborne disease outbreaks (WBDO) of acute gastroenteritis (AGI) due to contaminated tap water are reported in developed countries each year. Such outbreaks are probably under-detected. The aim of our study was to develop an integrated approach to detect and study clusters of AGI in geographical areas with homogeneous exposure to drinking water. Data for the number of AGI cases ...
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Consumer perception of water quality, abundance, and cost: comparison of drinking water source, attitudes, and preference
Public attitudes about drinking water quality, fresh water availability, water spending, and suitable uses for recycled water were determined with a survey administered to respondents in the Gulf Cooperation Council (GCC), North America, and Europe. Statistically significant differences in perception were identified as a function of respondent’s country of residence. Among the findings are a ...
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Detection of
Pseudomonas aeruginosa by PCR in tap-water and bottled mineral water in the Isfahan province of IranThe purpose of this study was to consider the use of a simple polymerase chain reaction (PCR) as an accurate, safe and rapid method to detect Pseudomonas aeruginosa in tap-water and bottled mineral water from Isfahan province, Iran. A total of 224 tap-water and bottled mineral water samples were taken over six months, from July to December 2010. DNA (deoxyribonucleic acid) was extracted from ...
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Evaluation of consumers’ preferences on drinking waters considering the information provision effect
Despite a high drinkable quality, many people avoid tap water because of vague anxiety about its safety. Conjoint analysis (CA) was conducted to determine what factors are considered important for consumers’ selection of drinking water. The information provision effect was also investigated inside CA profiles using different model equations. Results indicate that the perception of the safety ...
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Illness from tap water
Bacteria and virus In every water pipe there are billions of bacteria and virus in layers of sediment and sludge. When released in small numbers, they are instantly killed by the chlorine in the water, but when pieces of sludge are ripped off by pressure changes in the pipes, there is not enough chlorine and you may get “intestinal flue” or some more serious ...
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Toxicity evaluation of polymeric ferric sulphate
Toxicity evaluation of water treated with polymeric ferric sulphate (PFS), an aluminium-free coagulant, was conducted in this research. Six-week old male F344/N rats exposed to PFS-treated water for three months did not show any obvious pathology as observed histologically or in clinical chemistry compared to rats given tap water. There was no significant difference in body weight gain in the ...
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Bottled versus tap water fact sheet
Where does bottled water come from? Those beautiful mountain illustrations on water bottles are often very far from the true source of the water inside. Bottled water sources can be hard to track down, as bottled water manufacturers are not required to disclose where the water comes from or for that matter, what’s in their water. In fact, the best indicator of what kind of water is in the ...
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Survey of human pharmaceuticals in drinking water in the Czech Republic
The first large-scale assessment of pharmaceuticals in drinking water in the Czech Republic (CR) focused on the detection of five substances. Samples were collected from public water systems supplying 5.3 million people, 50.5% of the Czech population. In the initial survey of tap water from 92 major supply zones using mostly surface water, no pharmaceutical exceeded the limit of ...
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Evaluation of potential human health risk and investigation of drinking water quality in Isparta city center (Turkey)
Isparta city center is selected as a work area in this study because the public believes that the tap water is dirty and harmful. In this study, the city's drinking water in the distribution system and other spring waters which are used as drinking water in this region were investigated from the point of water quality and health risk assessment. Water samples were collected from major ...
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Cost-effective rainwater harvesting system in the Metropolitan Area of Barcelona
Expected population growth will result in increasing water demand. The consequences could potentially jeopardise water resource availability especially in urban areas and significantly increase costs. Rainwater harvesting (RWH) systems can aid not only in meeting water demand partially, but also doing so in a more cost-effective and environmentally friendly manner than other techniques. ...
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