sewer energy Articles

  • Seven Ways Your Facility Isn’t Meeting Effluent Regulations and How to Solve Them

    Whether you own, operate, or help manage a municipal or industrial facility that deals with wastewater, it’s important to understand how wastewater treatment can play a significant role in the overall health of your business, especially when it comes to meeting effluent regulations. This is an important part of the wastewater treatment process to consider, as ignoring it could earn your ...


    By SAMCO Technologies, Inc.

  • Accepted Inspection Methods of Process Sewers.

    During the process of refining there is discharge of hazardous waste, this coupled with aging pipeline infrastructure creates a potential where waste can leak into the environment posing catastrophic threats to life. Federal agencies such as the EPA are beginning to penalize refineries that do not take necessary measures of disposing their waste. These refineries are subject to ...


    By EnTech Engineering, Inc

  • An artificial intelligence approach for optimizing pumping in sewer systems

    This paper presents details of a fuzzy logic system developed for the control of sewer pumping stations for energy costs savings. This is part of an ongoing collaborative project between Anglian Water and the University of Sheffield. The model rules and operation are developed for one representative pumping station in order to enable the identification of potential benefits and inhibitors to ...


    By IWA Publishing

  • Modelling the viability of heat recovery from combined sewers

    Modelling of wastewater temperatures along a sewer pipe using energy balance equations and assuming steady-state conditions was achieved. Modelling error was calculated, by comparing the predicted temperature drop to measured ones in three combined sewers, and was found to have an overall root mean squared error of 0.37 K. Downstream measured wastewater temperature was plotted against modelled ...


    By IWA Publishing

  • Black & Veatch to design sewer/stormwater facilities for Cincinnati

    Black & Veatch (Overland Park, KS) announced that it has received a contract to design a $244 million tunnel system, pump station, and treatment facility in Cincinnati, Ohio, to help the city better manage its sewage and stormwater flows. The company said that it is currently conducting geotechnical investigations to determine the location ...

  • Bioaugmentation In Sewer Network Reduces Sludge Production

    This article describes the effectiveness of bioaugmentation in the sewer network as a strategy to reduce sludge production. Sludge is an obvious by-product generated from the physical, chemical and biological treatment processes of a wastewater treatment plant (WWTP) as shown in Figure 1. Sludge management, which includes treatment, hauling, and disposal, is one of the biggest burdens facing ...

  • Modelling sewer sediment deposition, erosion, and transport processes to predict acute influent and reduce combined sewer overflows and CO2 emissions

    Understanding of solids deposition, erosion, and transport processes in sewer systems has improved considerably in the past decade. This has provided guidance for controlling sewer solids and associated acute pollutants to protect the environment and improve the operation of wastewater systems. Although measures to decrease combined sewer overflow (CSO) events have reduced the amount of ...


    By IWA Publishing

  • Sewer Collection System Bioaugmentation Reduces Influent Load and Improves Plant Performance

    Abstract The effectiveness of In-Pipe Technology (IPT) patented sewer collection system engineered bioaugmentation on i) influent wastewater loads to wastewater treatment plant (WWTP), ii) WWTP performance, and iii) effluent quality, was a demonstrated at a domestic sequencing batch reactor (SBR) WWTP (Sewer District #20) in Suffolk County, Long Island, New York in collaboration with the ...

  • Case study - Shopping center avoids litigation by resolving sewer odor problems

    Mazzei Injector Company, LLC is a recognized industry leader in gas to liquid mass transfer primarily from its proven 25 year experience with ozone applications. In addition, Mazzei has installed the same patented Venturi injector and mixing nozzle technology in many municipal and industrial wastewater systems in applications at lift stations, equalization tanks, aeration basins, activated sludge ...

  • Modelling the erosive effects of sewer flushing using different sediment transport formulae

    A numerical investigation to simulate the cleaning effects of successive flushes over sediment beds in prismatic channels is presented in this paper. The 1D De Saint Venant-Exner equations were used to describe the temporal evolution of the sediment bed after each flush. The predictive capacity of two sediment transport formulae was explored against experimental results from laboratory tests. ...


    By IWA Publishing

  • Bioaugmentation in Sewer network reduces sludge production case study

    Sludge is an obvious by-product generated from the physical, chemical and biological treatment processes of a wastewater treatment plant (WWTP) as shown in Figure 1. Sludge management, which includes treatment, hauling, and disposal, is one of the biggest burdens facing municipal plants. The costs of sludge management account for 55% of the total WWTP operating cost and 35° o of the capital ...

  • Climate change: More intense rains could swamp Chicago`s aging sewers

    In a city built on a swamp, where rainstorms already flood basements and force sewage into Lake Michigan and local streams, climate change could make Chicago's chronic water pollution woes even worse. Researchers hired by Mayor Richard Daley's office estimate that intense rainfall will happen more frequently in the not-so-distant future because of warming global temperatures, challenging the ...

  • Closing the last Energy Leak

    The heat contained in wastewater is one of the last major untapped resources in the field of renewable energies, despite the fact that it may some day provide some 20% of the heating energy we need. This huge potential has been addressed by a Swiss engineering office, Rabtherm AG, which now supplies patented technology for generating energy from wastewater, used for heating or cooling buildings. ...


    By RABTHERM AG

  • Increased biogas production in a wastewater treatment plant by anaerobic co-digestion of fruit and vegetable waste and sewer sludge – A full scale study

    Anaerobic digestion is a well established technology for the reduction of organic matter and stabilization of wastewater. Biogas, a mixture of methane and carbon dioxide, is produced as a useful by-product of the process. Current solid waste management at the city of Prince George is focused on disposal of waste and not on energy recovery. Co-digestion of fresh fruit and vegetable waste with ...


    By IWA Publishing

  • The whey to renewable energy

    When Tom Wilson with the Pennsylvania State University Cooperative Extension set out to study the feasibility of a community-based anaerobic digester in Mercer County, he initially analyzed processing manure collected from area dairies and food wastes gathered from the local college, nearby prisons and industrial food processors. But the economics of transporting the materials just did not make ...


    By BioCycle Magazine

  • New Energy BFP case study

    Clarification and Dewatering Control Industrial TSS The New Energy Corporation facility in South Bend IN produces 380,000 M3 per year (100 million gallons per year) of ethanol from corn feedstock. It also produces about 272,000 tonnes per year (300,000 tons per year) of carbon dioxide and 299,000 tonnes per year (330,000 tons per year) of distillers' dried grains with solubles (DDGS) ...


    By Komline-Sanderson

  • How to tap the energy savings in greywater

    Many operators of offices, hospitals, hotels, large condos, and other buildings are aware of the need to save money and reduce their environmental impact, through better water management. The result has been the growth of ways to reduce water consumption, ranging from low-flow show-crheads to landscaping that requires minimal watering. Building operators are also aware of a similar need to ...


    By DDI Heat Exchangers Inc.

  • Grease Processing for Renewable Energy, Profit, Sustainability, and Environmental Enhancement

    Various organizations are pursuing and implementing uses for grease waste materials. This is driven largely by rising prices for fuels and electric power, but also from the need to minimize the problems of sewer blockages, sewer overflows, and odor problems caused by such grease when discharged to local sewers. Using grease-source fuels to replace conventional fuels can also reduce greenhouse gas ...

  • Case Study: New Tennessee Waste-To-Energy Plant

    Clean Conversion Infrastructure Addition To Give Lebanon Renewable Energy PHG Energy will provide the vibrant and growing Middle Tennessee city of Lebanon with a new method of sustainable waste disposal and renewable energy production when this system is completed in 2016. Commercial wood waste that was previously dumped into in area landfills, hundreds of tons of scrap tires, and ...


    By PHG Energy, LLC

  • Q&A: The world’s eyes turn to Minnesota on district energy

    Frank Jossi reports in Midwest Energy News that for the second time in a little more than a decade St. Paul is hosting an international conference on district energy. Ken Smith is the president and CEO of District Energy St. Paul and past Chair of the International District Energy ...

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