Variations in sensitivity to chlorine in Ecuador and US consumers: implications for community water systems.

08:00 EDT 1st June 2019 | BioPortfolio

Summary of "Variations in sensitivity to chlorine in Ecuador and US consumers: implications for community water systems."

Successful implementation of chlorination for disinfecting community water systems in developing countries faces obstacles, with rejection of chlorinous flavor as a significant factor. Determining consumers' abilities to accurately detect chlorine in treated water is important to identifying acceptable chlorination levels that are also effective for water disinfection. Chlorine detection sensitivity was tested in untrained Ecuadorian consumers with limited prior experience with chlorinated water and US consumers with extensive prior experience with chlorinated water. Water samples with free chlorine concentrations up to 3.0 mg/L were presented for flavor testing. Ecuadorian consumers showed higher sensitivity, being able to detect chlorination at 2.0 and 3.0 mg/L, while US consumers did not reliably detect chlorine presence for any concentration levels. Additionally, Ecuadorian consumers' rejection of water samples depended on chlorination, showing a statistically significant increase in rejections of samples with chlorine concentrations above 1.0 mg/L. On the other hand, although US consumers rejected more samples overall, their tendency to reject did not vary as a function of chlorination levels. This study demonstrated that limited experience with chlorination is a critical factor for accurate chlorine flavor detection in drinking water.


Journal Details

This article was published in the following journal.

Name: Journal of water and health
ISSN: 1477-8920
Pages: 428-441


DeepDyve research library

PubMed Articles [15985 Associated PubMed Articles listed on BioPortfolio]

Detection of fecal bacteria and antibiotic resistance genes in drinking water collected from three first nations communities in Manitoba, Canada.

This study analyzed the microbiological quality of drinking and source water from three First Nations communities in Manitoba, Canada that vary with respect to the source, storage and distribution of ...

Comparison of the UV/chlorine and UV/HO processes in the degradation of PPCPs in simulated drinking water and wastewater: Kinetics, radical mechanism and energy requirements.

The degradation of pharmaceuticals and personal care products (PPCPs) by the UV/HO and UV/chlorine processes was compared at practical concentrations in simulated drinking water and wastewater. In pur...

Comparison of ciprofloxacin degradation in reclaimed water by UV/chlorine and UV/persulfate advanced oxidation processes.

This study analyzed the ciprofloxacin (CIP) degradation in real reclaimed water through UV/chlorine and UV/persulfate (UV/PS) advanced oxidation processes. The influence of oxidant dosage, pH, inorgan...

Powdered activated carbon enhanced Manganese(II) removal by chlorine oxidation.

Chlorine is not effective in the oxidative removal of soluble manganese(II) ions at neutral pH. Powdered activated carbon (PAC) also has a very limited capacity for Mn(II) removal through adsorption i...

A one-year long survey of temporal disinfection byproducts variations in a consumer's tap and their removals by a point-of-use facility.

In order to better understand the occurrence of disinfection byproducts (DBPs) in tap water and their real impacts on consumers, this study made a one-year long survey of the temporal variations of a ...

Clinical Trials [4701 Associated Clinical Trials listed on BioPortfolio]

Mineral Water Rich in Magnesium and Perceived Stress in Healthy Consumers

The goal of clinical trial is to evaluate the effect of one month of consumption of mineral water rich in magnesium or not on perceived stress, duration and quality of sleep in healthy con...

Estimating the Incidence of HIV Infection Among Men Who Have Sex With Men in Peru and Ecuador

The purpose of this observational study is to estimate the number of new HIV infections and the number and variability of antiretroviral-resistant HIV strains among men who have sex with m...

Effectiveness of a Chlorine Dioxide Spray on Dental Plaque and Respiratory Pathogens in Institutionalized Elders

The primary objective of this 6 month study is to compare the effectiveness of oral health promotion interventions on both clinical oral health, and oral opportunistic respiratory pathogen...

Effectiveness of Safe Drinking Water in Treatment of Severe Acute Malnutrition (Pakistan)

This study builds evidence on the importance of using safe drinking water during the nutritional treatment of children affected by Severe Acute Malnutrition (SAM). The following hypotheses...

Integration of Illness Management and Recovery Within ACT

Integrating Illness Management and Recovery (IMR) into Assertive Community Treatment (ACT) has great promise for improving the symptomatic, functional, and recovery outcomes for people wit...

Medical and Biotech [MESH] Definitions

A greenish-yellow, diatomic gas that is a member of the halogen family of elements. It has the atomic symbol Cl, atomic number 17, and atomic weight 70.906. It is a powerful irritant that can cause fatal pulmonary edema. Chlorine is used in manufacturing, as a reagent in synthetic chemistry, for water purification, and in the production of chlorinated lime, which is used in fabric bleaching.

Inorganic compounds that contain chlorine as an integral part of the molecule.

An oxyacid of chlorine (HClO) containing monovalent chlorine that acts as an oxidizing or reducing agent.

The collective designation of three organizations with common membership: the European Economic Community (Common Market), the European Coal and Steel Community, and the European Atomic Energy Community (Euratom). It was known as the European Community until 1994. It is primarily an economic union with the principal objectives of free movement of goods, capital, and labor. Professional services, social, medical and paramedical, are subsumed under labor. The constituent countries are Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, Netherlands, Portugal, Spain, Sweden, and the United Kingdom. (The World Almanac and Book of Facts 1997, p842)

Community of tiny aquatic organisms, both PLANTS and ANIMALS, that are either free-floating or suspended in the water, with little or no power of locomotion. They are divided into PHYTOPLANKTON and ZOOPLANKTON.

Quick Search


DeepDyve research library

Searches Linking to this Article