Water-Use Articles

  • Clean water is a basic human right, and we can and should make it affordable to everyone

    Ask someone in Flint, Michigan, or São Paolo, Brazil — the list of cities rocked by water disasters seems to grow each day — how much safe water is worth. Worried about contamination and drought, it might be a pretty penny. But the ability of people to actually pay for the full cost of water — from ...


    By Ensia

  • Particle Size Reduction Strategies

    Grinding strategies are driven by business priorities, feedstock types and quantities, compost mix ratios, product markets, sales seasonality and the weather. Particle size reduction is an important organic materials handling step that enhances the biological or chemical process by optimizing the particle surface area-to-volume ratio. Grinders, shredders and chippers are used for size ...


    By BioCycle Magazine

  • Control of urine odor in different sanitation practices and its implication on water saving

    To avoid odor in sanitation systems, urine is usually diluted with water (flushed), which leads to high water consumption. The smell may remain in sanitation systems if the systems are not well managed, or if the urine is flushed with insufficient amounts of water. In this study, using the standard threshold odor number (TON) measurement as an indicator of urine odor, the effects of the pH and ...


    By IWA Publishing

  • Towards a research agenda for water, sanitation and antimicrobial resistance

    Clinically relevant antimicrobial resistant bacteria, genetic resistance elements, and antibiotic residues (so-called AMR) from human and animal waste are abundantly present in environmental samples. This presence could lead to human exposure to AMR. In 2015, the World Health Organization (WHO) developed a Global Action Plan for Antimicrobial Resistance with one of its strategic objectives ...


    By IWA Publishing

  • Sustained use in a relief-to-recovery household water chlorination program in Haiti: comparing external evaluation findings with internal supervisor and community health worker monitoring data

    After the January 2010 earthquake in Haiti, an existing development program promoting household water treatment with chlorine rapidly expanded and provided relief to 15,000 earthquake-affected households. Initially, 157 community health workers (CHWs) distributed chlorine tablets; ten months later, CHWs began selling locally manufactured solution. The program was externally evaluated in March ...


    By IWA Publishing

  • Cloud computing for noise monitoring

    ABSTRACT Cloud computing is the use of computing resources that are delivered as a service over the Internet. This means that software, hardware and network resources are centrally managed. The ubiquitous availability of high-capacity networks and reduced cost of both client and server hardware have led to a tremendous growth in cloud computing. The concept gives a huge benefit for ...


    By Norsonic AS

  • Biological monitoring system, iTOXcontrol, continues in Scarlino - Case Study

    The recorded death of fish in the river that flows out of the industrial zone of Scarlino has created the need of the installation of a biological alarm system. The decision was made to work with an automatic system, iTOXcontrol created by microLAN-The Netherlands represented in Italy by Ecotox Lds, which uses marine bacteria. The system compares the values of the light emission from these ...


    By microLAN B.V.

  • ITOXcontrol safeguards intake Romanian drinking water - Case Study

    The Romanian water supply company Apavital has installed a monitoring station to safeguard the intake of water from the river Prut. The monitoring station is part of an integrated monitoring that signals sudden changes in the water quality of the rivers, enabling Apavital to take appropriate measures, in the worst case a stop of the intake. The iTOXcontrol is developed by the Dutch company ...


    By microLAN B.V.

  • Passive neutralization of acid mine drainage using basic oxygen furnace slag as neutralization material: experimental and modelling

    This study investigated passive neutralization of acid mine drainage using basic oxygen furnace slag as neutralization material over 90 days, with monitoring of the parameters' quality and assessment of their removal kinetics. The quality was observed to significantly improve over time with most parameters removed from the influent during the first 10 days. In this regard, removal of acidity, ...


    By IWA Publishing

  • Slay The Certification Uncertainty Dragon

    Passing the CIH, the ASP, the CSP, or the CHMM exam is a valiant quest filled with hardship and uncertainty. You set out on the arduous journey to pass the exam. You know the exam will be tough, but with determination and persistence, you’re confident you will prevail over the examination beast. You work hard. You study every night for 2 hours after your kids go to bed. ...


    By Bowen EHS, LLC

  • The Temptation of ISO 13485 Template Kits

    The expanding Internet means more: more data, more collaboration, and more complex systems of interactions. You can find hundreds of both expensive and free templates for ISO 13485, offered by various consultants, companies and experts. But even if the ISO compliance is guaranteed on some sites, still it is not so certain that you will get what is promised. These sites are basically ...


    By qmsWrapper

  • University Campus Restoration Earns SITES Certification

    Project is designed to mimic the function of natural desert riparian corridors using native soils, rocks and vegetation to slow and cleanse storm water. The University of Texas at El Paso’s (UTEP) Campus Transformation Project (CTP) was awarded Silver certification under the Sustainable SITES Initiative (SITES) rating system, and is the first project to certify under SITES v2 (Version 2). ...


    By BioCycle Magazine

  • Real-time monitoring for reduced chemical maintenance

    We are pleased to be featured in this month’s American Laundry News digital edition, together with our customer Walter E. Nelson, a janitorial, paper and chemical distributor in the Northwest that provides a wide range of laundry products and equipment. Jerry Roberts, of Walter E. Nelson, explains how he has experienced a significative ...

  • Investigating the impacts of extraneous water on wastewater treatment plants

    To demonstrate the effects of increased extraneous water on operation, purification, and energy efficiency, two wastewater treatment plants (WWTPs) have been investigated in detail under the research project ‘Sealing of sewer pipes – Effects on the purification performance of WWTPs and their impact on the local water balance’. Both treatment plants, after evaluating and analyzing the ...


    By IWA Publishing

  • Automated convective and stratiform precipitation estimation in a small mountainous catchment using X-band radar data in Central Spain

    For the purposes of weather nowcasting, flood risk monitoring and water resources assessment, it is often difficult to achieve a reliable spatio-temporal representation of rainfall due to a low rain gauge network density. However, quantitative precipitation estimation (QPE) has acquired new prospects with the introduction of weather radars, thanks to their higher spatio-temporal resolution. ...


    By IWA Publishing

  • 8 Reasons You Won`t Pass Your EHS Certification Exam

    You prepared for months, reviewed practice exam questions by the thousands, and you hope you’re prepared enough to take your ASP, CSP, CIH, or CHMM exam. However, there may be some things you haven’t considered that will keep you from passing your certification exam. I’ve talked to many clients over the years and there are some common themes in regards to reasons why candidates ...


    By Bowen EHS, LLC

  • Source tracking of Enterococcus moraviensis and E. haemoperoxidus

    Enterococci were detected occasionally in 100 L samples of water abstracted from a shallow aquifer in a natural dune infiltration area for drinking water production. Enterococcus moraviensis was the species most frequently identified in these samples. Because there are no existing reports of faecal sources of E. moraviensis and the closely related E. ...


    By IWA Publishing

  • Modeling the effect of weather conditions on urban water demand in multiple network areas: a practical approach to improve monthly and seasonal operation

    The current paper is aimed at studying the influence of weather conditions on urban water consumption using available continuous flow measurements from existing district metered areas (DMA), belonging to different Portuguese water distribution systems. A three-step methodology was followed: Data processing; DMA segmentation in terms of billed consumption and socio-demographic characteristics; ...


    By IWA Publishing

  • On the right track

    High-speed train manufacturer, CAF, rely on world-class beamforming technology to reduce the noise generated by their trains – helping to make high-speed trains a more viable option for travellers and operators alike. Because of its relatively low levels of CO2 emissions, train travel is considered one of the ...

  • Seasonal patterns of drinking water consumption pattern in Mysore City, Karnataka, South India

    The aim of this study is to determine the general drinking water consumption pattern in Mysore city, Karnataka, South India with special reference to cold water (without boiling), and to construct a data base for water consumption habits of Mysore people. In developing countries microbial risk assessment studies, water intake values are often adopted from developed countries. However, these ...


    By IWA Publishing

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