wastewater treatment plant audit Articles

  • Energy audit in small wastewater treatment plants: methodology, energy consumption indicators, and lessons learned

    Energy audits in wastewater treatment plants (WWTPs) reveal large differences in the energy consumption in the various stages, depending also on the indicators used in the audits. This work is aimed at formulating a suitable methodology to perform audits in WWTPs and identifying the most suitable key energy consumption indicators for comparison among different plants and benchmarking. ...


    By IWA Publishing

  • Responding to audit surprises

    An audit is a systematic and documented investigation to determine if prescribed processes are functioning as intended. We audit to find out whether processes are working properly, where they are not working properly, and how to address identified gaps. No matter how diligent the staff is in following procedures, there are nearly always revelations indicating needed corrections and opportunities ...


    By Trinity Consultants

  • Basis for the development of sustainable optimisation indicators for activated sludge wastewater treatment plants in the Republic of Ireland

    This paper describes the basis of a stakeholder-based sustainable optimisation indicator (SOI) system to be developed for small-to-medium sized activated sludge (AS) wastewater treatment plants (WwTPs) in the Republic of Ireland (ROI). Key technical publications relating to best practice plant operation, performance audits and optimisation, and indicator and benchmarking systems for wastewater ...


    By IWA Publishing

  • Softener Plant Supplier in Chennai, Chennai

    Water is and will be the primal focus as the world evolves every day. We might be surrounded by large water masses, but those still need to be effectively utilized. Water, today is available in different formats or to be more modern, in different Avatars. The key question is how much can be made effective for human consumption. The resolution lies in treatment of water fit enough for consumption ...


    By RRR ENVIRO SYSTEMS

  • Thermal Power - Rehabilitation of Existing Plants Industry - Pollution Prevention Guidelines

    Introduction Pollution Prevention Guidelines to provide technical advice and guidance to staff and consultants involved in pollution-related projects. The guidelines represent state-of-the-art thinking on how to reduce pollution emissions from the production process. In many cases, the guidelines provide numerical targets for reducing pollution, as well as maximum ...


    By The World Bank

  • Towards energy neutrality by optimising the activated sludge process of the WWTP Bochum-Ölbachtal

    As a result of Ruhrverband's regularly performed energy audits the wastewater treatment plant (WWTP) Bochum-Ölbachtal shows substantial deficits concerning energy efficiency. Due to the energy consumption of internal recirculation, mixers and return activated sludge (RAS) pumping the existing pre-denitrification process configuration offers a specific energy consumption for biological ...


    By IWA Publishing

  • Teamwork Delivering Improved Environmental Performance: Australian Country Spinners Pty Ltd

    Australian Country Spinners, a wool spinning and dyeing company, has implemented a range of cleaner production initiatives that have improved the process efficiency and achieved significant cost savings. Over a three year period the company achieved a 44 per cent reduction in water usage and a 26 per cent reduction in chemical usage, per kilogram of processed yarn. These gains translated to ...


  • Sewer mining to supplement blackwater flow in a commercial high-rise Australia-Sydney case study

    Project Background or Rationale Australia’s warm climate and habitual droughts have resulted in innovative water conservation practices in commercial developments, such as 1 Bligh Street in Sydney. Commissioned in May 2011, the highly acclaimed 29 story office tower overlooking the Sydney Harbor captures nearly 100 percent of its wastewater and reuses it in the building. By recycling ...

  • Becoming a Zero Emissions Brewery

    Diverting 600 tons annually from landfills turn hops, grains, pallets, cardboard, glass, office paper and shrink wrap into major savings — and great beer! ALMOST AS FAMOUS for reducing its waste as for making great beer, Mad River Brewing Company of Blue Lake, California is renowned for its Steelhead and Jamaica ales as well as its ten Waste Reduction Awareness Program (WRAP) awards ...


    By BioCycle Magazine

  • Case Study: Wheeling Water Department, West Virginia

    Wheeling Water Department in Wheeling, West Virginia, is an independent, municipally owned water utility, serving a population of approximately 50,000 people, including all of Ohio County. Consisting of three divisions, Wheeling Water is responsible for all treatment and testing of the source, finished water and for pumping it to the customers. The utility treats approximately 7.5 million gallons ...


    By AllMax Software, Inc.

  • Eastern Municipal Water District Proactively Expands EMIS to Maximize DMR Reporting Accuracy and Efficiency

    It wasn’t gold but a more valuable resource that the county of Riverside, California sought back in 1950. The droughts of the late 1940’s were hard on the community and farms – the situation was grave. Local leaders knew they needed access to the Colorado River Aqueduct and soon established the Eastern Municipal Water District (EMWD). This new agency negotiated an agreement with ...


    By IHS

  • Proposed Risk Management Program Regulations on the Way

    How Might Your Business be Impacted? Prompted by, among other incidents, a massive explosion at the West Fertilizer Plant located north of Waco, Texas on April 17, 2013, President Obama has issued Executive Order 13650, Improving Chemical Facility Safety and ...


    By Antea Group - USA

  • Re-Building Water Supply and Collection Systems in Sofia, Bulgaria

    The operation of water distribution and collection systems throughout the municipality of Sofia, the capital of Bulgaria, is the responsibility of Sofiyska Voda AD, a company formed in October 2000 comprising International Water / United Utilities and the City of Sofia. Under a 25-year concession agreement, Sofiyska Voda is undertaking a very significant investment programme that will transform ...


    By Innovyze

  • Shining a light on sludge

    HACH LANGE's Solitax turbidity/ suspended solids sensor has been integrated into a tanker reception system to enable the measurement of solids concentration in wastewater movements to and from treatment plants and in trade waste applications for monitoring strengths of imported wastes. JR Pridham Services Ltd (JRP) developed the system to provide visibility of both quantitative and qualitative ...


  • RAISING THE BIOSOLIDS BAR: DEVELOPING AN ENVIRONMENTAL MANAGEMENT SYSTEM

    A California sanitation district’s journey through the process of establishing an EMS for biosolids provides valuable insights, especially for agencies battling public acceptance challenges. THE Orange County, California Sanitation District (District) provides wastewater treatment service for more than 2.2 million people. The facility treats approximately 250 million gallons/day of wastewater and ...


  • `Hyperwaste Reduction` :Organics Recycling May Get Digested Look In Iowa

    CEDAR RAPIDS — with active support from the Iowa Department of Natural Resources (DNR) — is optimistic about its new strategy to expand organics recycling. Under the leadership of executive director Dave Hogan, the Bluestem Solid Waste Agency, which serves the Cedar Rapids region, is presently composting 118,000 tons/year of yard trimmings and paper/pharmaceutical sludges. But Hogan is convinced ...


    By BioCycle Magazine

  • New Products Archives

    Product: PURELAM® A-9000/A-9010 solventless laminating adhesive Manufacturer: Ashland Specialty ...


    By Actio Corporation

  • Koppers enhances global SH&E compliance capability, reduces incident reporting time by 50%

    Koppers Inc. – producer of carbon compounds and treated wood products for the aluminum, steel, chemical, plastics, railroad and utility industries – backs its products with a strong global commitment to customers, employees, safety, health and the environment. So when the team at Koppers' Pittsburgh headquarters set out to improve environmental and safety reporting and compliance for business ...


    By IHS

  • Environmental Situation in Africa

    Abstract Africa The economic and social needs of Africa depends more on its environmental resources but these natural resources are seriously declining and that is really effecting the entire region. Sustainable development in this rapidly changing region has become an imperative, and must take place in the complex context of a diverse and changing ecosystem, political transition and evolution ...

  • Source Separated MSW Composting in the US

    MUNICIPAL solid waste composting projects are being launched based on residential separation of the compostable stream from recyclables and trash - quite widespread in Europe and increasingly in Canada. One trend - typically in cities and suburban communities - is to add source separated residential organics to existing yard trimmings collection programs. Composting facilities permitted to ...


    By BioCycle Magazine

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