Oil-in-Water Monitoring Articles

  • Why LIBS means lower cost of ownership

    Laser Induced Breakdown Spectrometry (LIBS) and X-ray Fluorescence (XRF) handheld analysers are both compact, easy-to-use and fast. Materials can be identified at the pull of a trigger. It’s that simple. Often, cost is a key factor in the decision making process, especially when it comes to thinking about overheads long-term. When both products are comparably priced and have a similar ...

  • Bioremediation of pollutant-contaminated water

    Raw water resources in Kafr El-Sheikh Governorate are affected by many contaminants particularly during the winter season and low demand period of the Nile River, in which water level decreases and organic matter increases resulting in decreased dissolved oxygen, and increased ammonia, nitrite and bacterial load in the water. In this study, physicochemical and microbiological characteristics ...


    By IWA Publishing

  • Sound recording to characterize outdoor tap water use events

    Obtaining disaggregated water use at the home typically involves expensive smart metering. In this study, water use events at the outdoor tap were captured using recorded sound. Outdoor taps at 10 homes were fitted with small-sized microphones and digital sound recorders. Sound files recorded over a 1-month period were used in the analysis. In the preliminary analysis, a human operator browsed ...


    By IWA Publishing

  • Temporal and thematic trends in water, sanitation and hygiene (WaSH) research in Pacific Island Countries: a systematic review

    Pacific Island Countries (PICs) lag behind global trends in water, sanitation and hygiene (WaSH) development. We conducted a systematic search of all English language papers (published before February 2015) about WaSH in PICs to evaluate the state of the peer-reviewed literature and explore thematic findings. A total of 121 papers met the criteria for full-text review following an initial ...


    By IWA Publishing

  • Enterococci populations of a metropolitan river after an extreme flood event: prevalence, persistence and virulence determinants

    We investigated the prevalence, persistence and virulence determinants of enterococci populations in water samples collected over three rounds following an extreme flood event in a metropolitan river. Enterococci (n = 482) were typed using the high resolution biochemical fingerprinting method (PhP typing) and grouped into common (C) or single (S) biochemical phenotypes (BPTs). In all, 23 ...


    By IWA Publishing

  • Hydropolitics and hydropolitical dynamics between India and Nepal: an event-based study

    India and Nepal not only share common borders and cultures, but also share precious freshwater sources, i.e., rivers. Rivers have been discussed often in the political corridors because they cross international borders, which transform water reserves into a competitive resource and lead to hydropolitical dynamics between riparian countries. Nepal and India are two of the major riparian nations ...


    By IWA Publishing

  • Impact of extreme climate events on water supply sustainability in Egypt: case studies in Alexandria region and Upper Egypt

    Water resources in Egypt have become stressed due to changes in climate patterns. Egypt is characterized by two seasons, a mild, wet winter and a hot, dry summer. In recent years, many areas have become vulnerable to the impact of extreme climate events. The impact of these events on water supplies has become more pronounced. This study states that there is a tangible impact of extreme climate ...


    By IWA Publishing

  • EPA to host events soliciting information on regulatory reforms

    The U.S. Environmental Protection Agency (EPA) has announced that it will be hosting several events to gather input on regulatory actions that could be repealed, replaced or modified as part of EPA’s regulatory reform efforts under Executive Order (EO) 13777.  The Office of Pesticide Programs (OPP) will host a ...


    By Bergeson & Campbell, P.C.

  • Water is a key concern on Earth Day 2017

    Although the official focus of this year’s Earth Day is environmental and climate literacy, water is still very much a key concern for participants holding events across the United States — and around the world. A need for clean water for future generations was the impetus for the original event, and the need to protect water is no less important today. Earth Day was established in ...


    By Fluence Corporation

  • Nanobite bioremediates a Contaminated harbour - Case study

    When a hydrocarbon is spilled on water, it is very visible – floating on the surface, a blue green sheen clearly visible. When applied to an oil spill on water, Nanobite Liquid will not mix with the water and become diluted. Within a minute it attaches to the hydrocarbon, bonding with it and creating a matrix – an agglomerated gel- that remains on the surface and cannot sink, no ...


    By Slick Solutions

  • Hydrocarbon Bioremediation – Cleaning fuels & motor oil spills on water - Case Study

    Background Nanobite Products proved how effective they are in hydrocarbon bioremediation on water with the almost total remediation in one week of fuel spills from abandoned cars. Read on… On March 30 2006, in Black Sod Bay in County Mayo, between 45 and 50 cars were transported from a neighbouring island destined for scrap. They were deposited at low tide on ...


    By Slick Solutions

  • In a Future of Extremes, Southeastern States Must Have Water Management Policies

    Introduction Climate change is expected to have an impact on every type of weather phenomenon that occurs on Earth.  The nature and magnitude of the impact varies with the location on the planet and the type of weather in question, and coupled climate-weather models, have different degrees of uncertainty about different types of weather (though these models are dramatically improving ...


    By Climate Institute

  • From urban municipalities to polar bioremediation: the characterisation and contribution of biogenic minerals for water treatment

    Minerals of biological origin have shown significant potential for the separation of contaminants from water worldwide. This study details the contribution of biologically derived minerals to water treatment operations, with a focus on filtration media from urban municipalities and remote cold regions. The results support biofilm-embedded iron and manganese to be the building blocks of ...


    By IWA Publishing

  • F4 Spill In Situ Bioremediation Applications

    F4 Completed an in situ water bioremediation program of Bio-ReClaim in northern Alberta; a pipeline leaked crude oil over a 14 hectare area in muskeg. Alberta Environment (AEP) allowed the in situ water application of Bio-Reclaim by F4 Environmental. Keeping in mind the application was performed without any ground disturbance and extremely cost effective compared to the ...


    By F4 Environmental Inc.

  • Case study - Continuous discharge monitoring in Mecklenburg - Germany

    The Wallensteingraben was originally constructed as a channel and is almost 20 km long. In the context of implementing the European Water Framework Directive, goals include improving ecological passability. At the same time a measurement site for the continuous monitoring of discharge quantities was installed.  Products used include OTT SLD, OTT CBS and OTT LogoSens. Monitoring ...


    By The OTT Hydromet Group

  • Case study - Flood water protection in the city of Buenos Aires

    The Arroyo Mendrano is the second largest channeled stream of water running through Buenos Aires. In case of heavy rainfalls it overflows its banks and causes considerable material damage. When the retention basin which had been especially built to collect large quantities of water during strong precipitation events also overflowed, the government decided to have an alarm-system installed to ...


    By The OTT Hydromet Group

  • Case study - Reservoir Aabach Germany - Continuous monitoring of contact pressure

    With a total volume of approximately 20 million cubic meters of water and a length of 450 meters, the reservoir supplies drinking water for 200.000 people in the area and fulfils also an important  function in the flood protection there. With the new monitoring solution it was possible to reduce the workload and cost for collecting, reading out and transmitting of data significantly. An ...


    By The OTT Hydromet Group

  • Risk management for water supply pipes

    In this paper, the risk of water supply systems as a combination of hydraulic analyses (consequence) and failure probability of pipelines based on the actual condition is discussed. On the one hand, a stepwise closing of pipelines calculates the influence on customer's supply which represents the importance of a pipe. On the other hand, based on existing failure statistics, age and material ...


    By IWA Publishing

  • Making Australian groundwater data accessible: the value of collaboration

    Access to nationally consistent information is essential to support informed decision-making about Australia's vital groundwater resources. However, until now it has been difficult to depict a seamless national picture of groundwater resources and frame groundwater issues at a national scale. This is because groundwater data is typically managed locally without consistent format or ...


    By IWA Publishing

  • 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.

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