water testing panel Articles

  • Effects of sulfate and nitrate on the taste of water: a study with a trained panel

    The role of sulfate and nitrate in the taste of drinking water is not entirely clear. Taste threshold concentrations (TTCs) were estimated for these two species by the 3-AFC method by a trained panel, as sodium and calcium salts. In both cases TTCs for nitrate were about 100 mg NO3/L, twice the usual reference value of international recommendations. TTCs for sulfate were about 160 mg ...


    By IWA Publishing

  • Solar Panel Support Posts Latchways Fall Protection

    With the ever increasing requirement for renewable energy, the use of a building’s roof as a generator of power and subsequent revenue stream has become more viable and principally linked with the installation of solar panels. Latchways success in the fall protection market has been based on innovative fixing and load control technology which is utilised in the Latchways Solar Panel ...


    By Latchways PLC

  • Installation of Sanding Area with Downdrought Floor: Bignell Panel Repairs

     Background Bignell Panel Repairs Pty Ltd (BPR) is a medium sized paint and panel shop employing 10 staff. In the paint and panel industry, paint dust has always been a problem. It not only impairs the quality of the paint finish but also causes environmental and health problems. Dust contains heavy metals and toxins which cause respiratory illnesses. It is easily entrained in ...


  • Pilot-Scale Biofilter Test for Treating Zimpro Odors

    The thermal sludge conditioning process of U.S. Filter/Zimpro Corporation, Rothschild, Wisconsin (Zimpro process) is primarily used to improve dewatering characteristics of the waste sludge. The process entails a partial breakdown through oxidation and hydrolysis of complex, high molecular weight organic compounds, such as, proteins, fibers, carbohydrates, and fats. The partial breakdown of ...


    By PRD Tech, Inc.

  • Allocation of water consumption in multipurpose reservoirs

    The Intergovernmental Panel on Climate Change Special Report on Renewable Energy Sources represented a benchmark in the assessment of water consumption from electricity production. The numbers for hydropower ranged from very low to much larger than the other renewable technologies, partly explained by methodological problems. One of the methodological shortcomings identified was the lack of ...


    By IWA Publishing

  • UV technology - unique in water disinfection

    Due to its undisputable Success &  Efficiency in destroying Cryptosporidium and Combined Chlorine, The Centers for Disease Control and Prevention Recommend installing UV Systems It has taken many years of testing to convince the pool market that the most reliable and best available option for treating and disinfecting water is through using Ultraviolet (UV) technology. UV systems ...


    By ESCO International (EI)

  • Compost in the mix for storm water management

    Bioretention areas, also known as rain gardens, are increasingly being used to capture and treat storm water runoff from impervious surfaces such as roofs, sidewalks and parking lots. These landscaped areas often feature native plants installed in an engineered soil mixture that includes compost. “Bioretention areas or rain gardens are an attractive storm water Best Management Practice (BMP) ...


    By BioCycle Magazine

  • Anglian water Cryptosoridium outbreak - Case Study

    Pitsford Drinking Water Site, England In June 2008, a rabbit was located in the wash water tank at the Pitsford Drinking Water Plant of Anglian Water, leading to contamination of the treatment works with Cryptosporidum, a chlorine resistant parasitic micro-organism. The parasite was detected on June 24 and, following consultation with health and local authorities, a notice to boil ...


    By atg UV Technology

  • Application of Membrane Technology for the Recovery and Reuse of Water

    Abstract As water and sewer costs are expected to increase over the next decade, membrane technology will continue to be a viable and economical option in the recovery and reuse of water. This paper describes the mechanism of membrane effected separation (specifically reverse osmosis, ultrafiltration and microfiltration), membranes commercially available, membrane element configurations, and how ...


  • "A Non-Chemical Water Treatment for Cooling Towers"

    Untitled Document Introduction This paper will describe a case study of a ...


    By Dolphin WaterCare

  • Constraints on foreign aid effectiveness in the water, sanitation, and hygiene (WaSH) sector

    Numerous studies have sought to empirically test the effectiveness of foreign aid as a tool for international development, with often inconsistent or contradictory results. New sources of disaggregated aid data now allow researchers to test the impact of individual sectors of aid on sector-specific outcomes. The paper investigates the effectiveness of foreign aid in the water, sanitation, and ...


    By IWA Publishing

  • Development of water scenarios for large lakes in Europe: the case of Lake Peipsi

    Qualitative or quantitative description of the future by developing scenarios is a key method when taking a long-term view, e.g., up to 2050. Previously the time frames covered by the scenarios have usually been no more than 20 years. This period can be too short for achieving long-term goals when, for example, testing watershed management plans. This paper is an attempt to introduce and ...


    By IWA Publishing

  • NOV MONO completes project to ensure quality levels for welsh water

    The project centers on an EZstrip progressing cavity pump which is now being used on sewage transfer duties to ensure that the plant can guarantee the quality of the treated sewage under any flow conditions. Powered by a 4kW motor and operating at a duty speed of 226 rpm, the EZstrip pump draws sewage from the centre of the ...


  • Use of Water Based Paint To Reduce Solvent Emissions: Brisbane Motor Bodies

     Background For the last twelve months Richard Powell has been using water based 'base coat' paints in his smash repair business at Woolloongabba. These paints use water, instead of solvent, as the carrier for the basic paint constituents, and do not release any harmful vapours to the atmosphere. Richard has been in the smash repair business for more than twenty five years and ...


  • Biostyr package plant, Newham WwTW South West Water

    The Client South West Water Ltd is 100% owned by the Pennon Group plc, who's other main interest is Viridor Waste Management Ltd. South West Water Ltd are the 9th largest water company in England / Wales and they are responsible for an area in the south west of the UK, which includes the whole of the Cornwall and Devon. Area served: 10,800km2 Population served: ...


  • "Non-Chemical Water Conditioning at Schick: A Pollution Prevention Case Study"

    Untitled Document Overview Since 1994, the Schick company of Milford has ...


    By Dolphin WaterCare

  • Emergency tank showers specified for Major water utility companies

    Personnel within the water utilities industry are often exposed to remote and demanding environments due to the dangerous chemicals, such as sulphites and chloride, used in water treatment. To protect the safety of the workforce International and European standards state that emergency safety equipment should be installed within 10 seconds’ reach and on the same level as a potential hazard. ...

  • Community water fluoridation predicts increase in age-adjusted incidence and prevalence of diabetes in 22 states from 2005 and 2010

    Community water fluoridation is considered a significant public health achievement of the 20th century. In this paper, the hypothesis that added water fluoridation has contributed to diabetes incidence and prevalence in the United States was investigated. Panel data from publicly available sources were used with population-averaged models to test the associations of added and natural fluoride ...


    By IWA Publishing

  • Drought Forces Push to Recycle, Reuse and Potential in Brackish Water for Oil & Gas Industry: Interview with BioLargo CEO

    UPTICK Interview: BioLargo's AOS Filter Delivers Abundant Clean Water Even In Drought The headlines are full of discussion on water shortages and drought with few options consistently noted beyond the need to conserve and manage the precious resource. To gain perspective on the problem and explore viable solutions UPTICK Newswire interviewed ...


    By Biolargo, Inc.

  • Remote controlled `Pit Hog™` dredge removing sludge from aeration lagoons at Los Alisos, California, Waste Water Treatment Plant

    The Los Alisos Water District Water Reclamation Plant is removing raw sewage solids, decayed algae and microorganisms, and algae-laden sludge from its aeration lagoons using a Liquid Waste Technology (LWT) remote controlled lagoon dredging system. The tertiary wastewater treatment plant treats four million gallons per day. Officials of the Lake Forest, California facility initiated the buildup ...

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