lead water treatment Articles

  • Anaerobic Digestion Reduces Microplastics in Sludge

    Anaerobic digestion can help remove microplastics — a large cause of water pollution — during the sewage treatment process Microplastics, or tiny fragments of plastic, include microbeads, the plastic pellets present in thousands of household and personal care products, including toothpaste, cosmetics, and beauty scrubs. They also include fragments from the breakdown of anything in our ...


    By Fluence Corporation

  • Retirement community leads the way with Queenslands water sustainability

    RSL Care’s Sunset Ridge Retirement Community in Zilzie near Rockhampton is leading the way in securing a sustainable environment for its residents by installing one of the first Aquacell greywater treatment plants in Queensland. The Retirement Community contracted water recycling company Aquacell to design, install and maintain a greywater treatment plant which was completed in early ...

  • UK experience in the monitoring and control of lead in drinking water

    At the zonal scale (e.g. a city or town), random daytime (RDT) sampling succeeded in demonstrating both the need for corrective action and the benefits of optimised orthophosphate dosing for plumbosolvency control, despite initial concerns about sampling reproducibility. Stagnation sampling techniques were found to be less successful. Optimised treatment measures to minimise lead in drinking ...


    By IWA Publishing

  • Ceramic membranes for water treatment

    Ceramic membranes, different in pore size and membrane material, were applied to remove particulate and dissolved matter from different spent filter backwash water types as well as from dam water. The study was conducted in pilot scale under conditions typical for waterworks at a dam water treatment plant. A comparison of different ceramic membranes implied that total membrane resistance was more ...


    By IWA Publishing

  • Advanced treatment of WWTP effluent with filtration leading to a pretreatment technique for membrane filtration

    In 2000 the European Union introduced the Water Framework Directive (WFD). The aim of the WFD is having an ecological and chemical balance for all surface waters in Europe in 2015. The European Commission identified 33 priority substances and their maximum allowable concentrations, FHI-values (Fraunhofer Institute), which are specified in the Annex of the WFD. The objective of this research is to ...


    By IWA Publishing

  • The importance of Water Treatment in industry

    Water treatment is an important industry requirement and comes under 4 main branches which include boiler water treatment, cooling water treatment, water purification and the treatment of wastewater effluent. It is considered that these cover the majority of Water treatment processes in the UK and Internationally. Water treatment is often seen as an additional cost on top of an already very ...


    By Feedwater Ltd

  • Advanced treatment of WWTP effluent with filtration leading to a pretreatment technique for membrane filtration

    In 2000 the European Union introduced the Water Framework Directive (WFD). The aim of the WFD is having an ecological and chemical balance for all surface waters in Europe in 2015. The European Commission identified 33 priority substances and their maximum allowable concentrations, FHI-values (Fraunhofer Institute), which are specified in the Annex of the WFD. The objective of this research is to ...


    By IWA Publishing

  • Nimr Water Treatment Plant Oman

    Introduction The Nimr water treatment plant (NWTP) project is located in the south of Muscat in Oman. The temperatures in the region can be as high as 60°C in the summer months, making it a harsh environment to work in. This water treatment project was co-executed by Bauer Environment and Petroleum Development Oman (PDO). The plant came online in late 2010 and has been treating ...


    By BAUER Resources GmbH

  • Continuous fibres lead to successfuI filter

    An improved design of wound string filter has doubled contaminant holding capacity and avoided the shedding of small fibres bad into the fluid. Tom Shelley investigates Wound string filters are setting new benchmarks for efficiently catching large amounts of dirt, without risk of introducing stray fibres or other contaminants into the fluid stream being filtered. Initially ...

  • Water and wastewater treatment for Solar industry

    Solar cells arc manufactured in a complex process thai requires enormous know-how. The objective is to produce panels with a high level of efficiency at low cost. To achieve this, different production processes are used. A fundamental distinction is made between solar cells on the basis of silicon wafers and thin-film cells, in which a special process is used to apply the photovoltaic layer onto ...


    By EnviroChemie GmbH

  • The mystery of electronic water treatment unveiled

    The problems of scale are well known to those living and working in "hard" water areas. Scale is the undesirable consequence of water supplies becoming super-saturated with dissolved minerals.  These problems are of greater significance if found in industrial water systems and commercial buildings. Scaling problems commonly occur, even in "soft" water areas, when a fluid stream is ...

  • City utilizes leading edge controls for water filtration operation case studies

    Background “Where the Prairie Meets the Pines.” This is the city slogan for Fosston, Minnesota. It instantly conjures images of a tranquil, natural rolling landscape for this northwest Minnesota town of 1500 residents. Surrounded by farmland and with two wildlife refuges nearby, picturesque scenery abounds. It is here that computer and PLC technology have been optimized. This ...


    By Filtronics, Incorporated

  • People Power Leads to Shower Power at Thames Water - Case study

    Thames Water purchased a large number of Emergency Tank Showers from Hughes Safety Showers. And who better to make the decision as to what showers should be installed than the users themselves. Learn more about their unique decision making process. Article originally written for the Thames Water ...

  • Chemically Enhanced Primary Treatment Leads to Big Savings - Oro Loma Sanitary District Experience

    Chemically enhanced primary treatment (CEPT) has been applied at the Oro Loma Sanitary District to achieve high primary clarifier removal during storm events. A new cost effective approach for estimating the dosage and predicting the removal efficiency was developed and implemented. The new approach was based on the integration of bench scale testing and mathematical modeling. This approach was ...

  • Aerospace - Leading Aerospace manufacturing firm - case study

    Application The company designs and builds flight controls for aircraft and launch vehicles. Their product line includes thrust vector and steering controls for space vehicles as well as thruster valves, regulators and integrated manifolds for satellite propulsion. Manufacturing of most of these products requires either military spec plating or anodizing to ensure protection from extreme ...


  • Challenges in addressing variability of lead in domestic plumbing

    Current data indicates that lead exposure is of concern even at low concentrations. Corrosion is an important problem in drinking water because it can affect public health due to leaching of lead or other metals into the drinking water. For this reason, a corrosion control program is an important measure to help mitigate exposure to lead in drinking water. The biggest challenge that remains in ...


    By IWA Publishing

  • Leading military electrical connector manufacturer - case study

    Application The client designs and builds complex electrical connectors for salt water applications. The connectors are used in underwater communications cables and to make solid electrical connections within nuclear submarines. Each connector is housed in a durable waterproof rubber material with gold and platinum plated eluctors to optimize electrical conductivity and decrease ...


  • Sludge characterization at Kadahokwa water treatment plant, Rwanda

    A study was carried out to characterize the sludge produced at Kadahokwa Water Treatment Plant (KWTP) in Butare to assess the effectiveness of the sludge treatment and potential impacts of sludge disposal on the environment. Parameters analyzed were chromium, nickel, cadmium, lead, copper, zinc, iron, manganese, aluminium, total nitrogen, total phosphorus, potassium and cation exchange capacity ...


    By IWA Publishing

  • Drinking water treatment - understanding the processes and meeting the challenges

    On and follow Natural organic matter (NOM) derived from soil and vegetation in water catchments is the key factor influencing most, if not all water treatment processes. The structure of the NOM and its involvement in water treatment processes requires better understanding. It seems likely that a better understanding of NOM reactions could lead to far better predictive capacity for water ...


    By IWA Publishing

  • Together we can get the lead out

    If there is one lesson to be learned from the Flint crisis, it is this: Our communities will be safer in the long run with no lead pipes in the ground. That’s why the board of the American Water Works Association – recognizing our first core principle is the protection of public health -- voted unanimously on March 7 to forge on a path toward the removal of all lead service lines. ...

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