Sanitary Wastewater Articles

  • Lowara plays key role in Ashgabat 2017 games

    Ashgabat in Turkmenistan is set to be the home of the fifth Asian Indoor and Martial Arts games in 2017. Construction teams are working hard to meet the fast approaching deadline of this multi-phase project, with phase two and three nearing completion. Totaling over 1,466 square meters, the multi-purpose sports facility, comprising 30 venues, is positioned at the heart of Turkmenistan’s ...

  • Semi-quantitative estimation of Escherichia coli levels in public drinking water sources in northern Haiti

    Prior research in Milot, Haiti, documented that public water sources are commonly fecally contaminated, as indicated by the presence of Escherichia coli. However, the degree of contamination was not assessed. In this study, the degree of fecal contamination in public drinking water sources was determined. Further, the usefulness of sanitary inspection surveys to predict fecal contamination ...


    By IWA Publishing

  • Surveillance of the chemical and microbial quality of drinking water for safe water supply in an urban area

    To ascertain the quality of drinking water, surveillance of drinking water quality was conducted in Bhopal. The water supply to water treatment plants (WTPs) is from Kolar dam and Upper Lake. There was no significant change in water quality at the Kolar WTP on a day-to-day basis except in summer, when the manganese content of raw water was 0.3–0.4 mg/L, which was removed during treatment. The ...


    By IWA Publishing

  • Standardised survey method for identifying catchment risks to water quality

    This paper describes the development and application of a systematic methodology to identify and quantify risks in drinking water and recreational catchments. The methodology assesses microbial and chemical contaminants from both diffuse and point sources within a catchment using Escherichia coli, protozoan pathogens and chemicals (including fuel and pesticides) as index contaminants. Hazard ...


    By IWA Publishing

  • Biodiversity of cyanobacteria in Tunisian freshwater reservoirs: occurrence and potent toxicity – a review

    In spite of the great environmental and sanitary importance of cyanobacteria, their biodiversity is little known in Tunisia. In this work, a review was carried out, based on literature data, of potentially toxic cyanobacteria occurrence in Tunisia. Microcystis, one of the most widely distributed toxic bloom-forming cyanobacteria genera, was represented by Microcytis ...


    By IWA Publishing

  • Creation of innovative experimental prototypes to meet health safety challenges in thermal spas

    It is essential to preserve the quality of natural mineral water from its origin to the points of use, so as to ensure sanitary safety for patients within the thermal spas. The complexity of water systems may lead to issues linked to microbiological and physico-chemical contaminations which are necessary to be solved in order to keep the installations in compliance with the regulations in ...


    By IWA Publishing

  • Pinpointing Low Level Sanitary Noise in Apartment Building Case Study

    Problem A newly built apartment building consists of several floors with multiple apartments on each floor. One of the ground floor apartments is disturbed by sanitary noise from the apartment above, which is heard whenever the toilets in the top apartment are being flushed. The sanitary noise is heard in several rooms, and the level was measured to be around 30 to 35 dB, which is above ...


    By Norsonic AS

  • Assessing antibiotic resistance of microorganisms in sanitary sewage

    The release of antimicrobial substances into surface waters is of growing concern due to direct toxic effects on all trophic levels and the promotion of antibiotic resistance through sub-inhibitory concentration levels. This study showcases (1) the variation of antibiotics in sanitary sewage depending on different timescales and (2) a method to assess the antibiotic resistance based on an ...


    By IWA Publishing

  • A cut above - A sanitary rotary cutter-crusher solves a pharmaceutical product company`s size reduction problem

    "We make this pharmaceutical product that ends up being big bricks of tough, brittle material", says the blending team leader of a growing pharmaceutical products company, "and we couldn't reduce it to the size it needed to be. I can't even begin to tell you how frustrating it was." The team leader is discussing the problem his company had with one of its key products, a bulk sweetener ...

  • A cut above - a sanitary rotary cutter-crusher solves a pharmaceutical product company`s size reduction problem

    A sanitary rotary cutter-crusher solves a pharmaceutical product company's size reduction problem. "We make this pharmaceutical product that ends up being big bricks of tough, brittle material", says the blending team leader of a growing pharmaceutical products company, "and we couldn't reduce it to the size it needed to be. I can't even begin ...

  • Case study - Washington Suburban Sanitary Commission

    After WSSC began experiencing major PCCP failures in the 1970s, it developed a strong commitment to infrastructure management technology in favor of large capital replacements. Beginning in 2007, WSSC and Pure Technologies began a partnership to create a comprehensive PCCP management program. The Washington Suburban Sanitary Commission (WSSC) is the 8th largest water and wastewater utility in ...


    By Pure Technologies

  • Influence of solar water disinfection on immunity against cholera – a review

    Cholera remains a problem in developing countries. This is attributed to the unavailability of proper water treatment, sanitary infrastructure and poor hygiene. As a consequence, countries facing cholera outbreaks rely on interventions such as the use of oral rehydration therapy and antibiotics to save lives. In addition to vaccination, the provision of chlorine tablets and hygiene sensitization ...


    By IWA Publishing

  • Best Management Practices: Grease Management for Restaurants and Commercial Kitchens

    utdoor commercial grease interceptor. Note that sanitary wastewater is routed to bypass the interceptor to keep grease clean for reuse or recycling. The Best Management Practices (BMPs) presented below are effective and practical measures you can implement now to take control of your grease management issues in your restaurant or kitchen: BMP #1: Training. Management should provide ongoing ...


    By IWA Publishing

  • Is drinking water from ‘improved sources’ really safe? A case study in the Logone valley (Chad-Cameroon)

    Within a cooperation project coordinated by the Association for Rural Cooperation in Africa and Latin America (ACRA) Foundation, water supplies were sampled across the villages of the Logone valley (Chad-Cameroon) mostly from boreholes, open wells, rivers and lakes as well as from some piped water. Microbiological analyses and sanitary inspections were carried out at each source. The ...


    By IWA Publishing

  • St. Claude wastewater case study

    The dairy plant located in St. Claude, Manitoba was facing operational and regulatory pressure due to the significant amounts of BOD it was discharging into the community wastewater system. Levels of BOD discharged from the plant were steadily increasing creating pressures on the Town’s lagoon system, increasing from 450 mg/L in June – November 1990 to 2,512 mg/L in the January ...


    By Nordevco Associates Ltd.

  • City of Stromsburg, Nebraska - Case Study

    In May 2011, AdEdge Water Technologies was selected among other vendors by Miller & Associates to supply a turnkey arsenic and manganese treatment system for the Village of Stromsburg, Nebraska. Arsenic levels in the water ranged from 0.0178 mg/L to 0.0276 mg/L and the manganese levels fluctuated between 0.05 mg/L and 0.12 mg/L, well above the EPA maximum contaminant levels of 0.010 mg/L ...

  • Energy & Environmental Technology- Solid - Liquid Separation Technology

    Tajhiz Sanaat Baran's mission is to be the provider in the Environmental & Energy Solutions. Our purpose in Energy fields is directed to the engineering consultants and offering update technologies in consumption optimizing and energy saving of Buildings and Factories. In the Environmental fields, we offer High-Tech solutions and make equipment in Water Treatment, Industrial and Sanitary ...


    By TSB Co.

  • Drinking water quality and source reliability in rural Ashanti region, Ghana

    Site-specific information about local water sources is an important part of a community-driven effort to improve environmental conditions. The purpose of this assessment was to gather this information for residents of rural villages in Ghana. Sanitary surveys and bacteriological testing for total coliforms and Escherichia coli (EC) using Colilert® were conducted at nearly ...


    By IWA Publishing

  • Holy springs and holy water: underestimated sources of illness?

    Use of holy springs and holy water is inherent in religious activities. Holy spring water is also used extensively for personal drinking water, although not assessed according to drinking water standards. Holy water in churches and chapels may cause infections via wetting of lips and sprinkling on persons. Our aim was to assess the microbiological and chemical water quality of holy springs and ...


    By IWA Publishing

  • Menstrual hygiene in Ugandan schools: an investigation of low-cost sanitary pads

    Menstrual hygiene management (MHM) is a largely overlooked issue in the water, sanitation and hygiene (WASH) sector. Every day, millions of menstruating girls and women in low-income countries struggle to find clean water for washing, private places for changing and adequate blood absorbing materials. This study aims to explore the difficulties experienced by schoolgirls in Uganda in managing ...


    By IWA Publishing

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