sanitary engineering Articles

  • Implementing an offline storage facility for Washington, D.C. suburbs in InfoWorks CS

    Wallingford Software’s InfoWorks CS solution has been used to enable the optimization of an offline storage facility to meet strict requirements for the Washington Suburban Sanitary Commission’s (WSSC) Rock Creek sewer basin sanitary system. The WSSC is the largest water and wastewater utility in the Washington, D.C. metropolitan area, providing services to 1.6 million residents of Montgomery and ...


    By Innovyze

  • Water System Infrastructure – A View of Where We Are, Where We Could Go and How We Can Get There.

    This is the first of several essays that are aimed at focusing attention on water and sewer infrastructure systems. In this essay, the current state of city and regional systems are examined, the current state of the industry will be examined next, investigating some of the tools, resources and technologies that are available, today. Beyond that, the final essay in this series will look at the ...


    By H2bid, Inc.

  • Adapter bacteria control oil spill in bulk

    Introduction Microbac was called in to advise on a required treatment for an integrated bulk oil handling facility and sea-land terminal, receiving, storing and shipping a wide variety of liquid fuels, inorganic chemicals and petrochemicals, many of which are toxic to microorganisms. The variable and complex waste streams from tank truck cleaning, ballast and tank cleaning discharges from ...


    By Microbac Ltd

  • Emergency Relief Work, Aceh Experience, Indonesia - 2004 Tsunami

    ABSTRACTThis paper reflects on the experiences of the author assisting in the international efforts in providing for the survivors of the 2004 Boxing Day earthquake and tsunami, in Aceh Province, Indonesia. It describes that event and the challenges faced after such a devastating event in a country already suffering due to a civil war. The paper highlights the success of prioritising the sourcing ...

  • Demonstration of DeconGel at Oak Ridge National Laboratory building 2026

    Challenge In 2003 an area behind the hot cells in Building 2026 at the Oak Ridge National Laboratory (ORNL) was flooded with highly contaminated liquids when a liquid low level waste pipe became clogged. The main contaminants of concern are uranium and plutonium. Transferrable contamination levels are in the 1,000,000 disintegrations per minute range. The area is posted as an airborne ...


    By KT Chemicals, Inc.

  • Primary Treatment in Onsite Systems: Factors that Influence Performance

    ABSTRACTMethodology, preliminary results and future plans for an on-going Water Environment Research Foundation (WERF) funded research project, WERF project number 04-DEC-7, are presented. The objective of this project is to identify, compile, analyze, and report on the existing body of literature and other data sources addressing the performance of primary treatment units (septic tanks and ...

  • A cure for Environmental Emissions case study

    Disposing of nearly 1 million pounds of medical waste a month is no easy task. The wet electrostatic precipitator, installed at Rochester, MN-based Mayo Clinic, seems to be just what the doctor ordered. While the medical waste incinerator at Mayo Clinic in Rochester, MN, consistently met state and federal emission requirements, facility leadership recognized that installing a wet electrostatic ...


    By Bionomic Industries Inc.

  • Problem Solving with InfoNet 1: A single system for asset data storage and retrieval

    Untitled Document This is the first in a series of articles about InfoNet, Wallingford ...


    By Innovyze

  • Brownfield remediation - Urban revitalization requires local groups to learn to identify brownfield sites and understand the liability issues and environmental concerns.

    Brownfields are defined by the United States Environmental Protection Agency as 'abandoned, idled, or under-used industrial and commercial facilities where expansion or redevelopment is complicated by real or perceived environmental contamination.' Vacant industrial sites, gas stations, commercial buildings, and offices all fall under the heading of brownfields. Brownfields can be found in almost ...


  • Oil Skimming...no longer a luxury

    Tramp oils – hydraulic oil, lubricating oil and greases, and protective metal coatings, in coolant create expensive and frustrating problems. Tramp oils in coolant provide a breeding ground for bacteria and can cause problems ranging from unpleasant odor to employee skin rashes. When tramp oils combine with other contaminants in coolant they can form a sticky substance that clogs lines and ...


    By Oil Skimmers, Inc.

  • SBR Wastewater Treatment Provides Large Clean-up on Small Site

    One of the largest capacity wastewater treatment plants in Europe is under construction on a small plot of land at Ringsend, on Dublin Bay in Ireland. Sequencing batch reactor (SBR) technology and 100,000 diffusers from ITT Industries' Sanitarie unit was selected to meet the challenging waste treatment needs for this site. When Dublin's wastewater treatment plant was built in the 1970s, it ...


  • Rugged Pumps Survive at Puente Hills Landfill - Case Study

    QED Pumps are the Pumps of Choice at North America's Largest Landfill The Puente Hills Landfill in Los Angeles County, California, is the largest operating landfill in North America based on daily tonnage received. Located in an unincorporated area of Los Angeles County near Whittier, California, it is owned and operated by the Sanitation Districts of Los Angeles County. It has received ...

  • Case study - QED pumps are the pumps of choice at North America’s largest landfill

    The Puente Hills Landfill in Los Angeles County, California, is the largest operating landfill in North America based on daily tonnage received.  Located in an unincorporated area of Los Angeles County near Whittier, California, it is owned and operated by the Sanitation Districts of Los Angeles County.  It has received approximately 118 million tons of solid waste as of April 2008, ...


    By Geotech

  • Waste Management Overview

    Introduction Our Nation has entered an era in which, as a result of changing world conditions, nuclear weapons production is receiving less attention while the public is expressing increasing concern about protecting human health and preserving the quality of our environment. In response to this national concern, the Department of Energy (DOE) has made waste cleanup and environmental restoration ...

  • Quaker oats uses skimmer to reduce wastewater BOD

    The Quaker Oats plant in Peterborough, Ontario, Canada produces some seven million cases of Harvest Crunch® cereal and cake mixes annually. In the process, residue from the conveyors, dryers and other processing equipment ends up on the floor. Periodic equipment washdowns add water to the solid and liquid residue, which contains edible fats, starches and sugars. During house-cleaning operations, ...


    By Abanaki Corporation

  • Delivering the Promise of Continued Customer Success

    Since TOMRA was founded in 1972, we have continuously redefined what it means to be innovative in the sectors in which we operate. Through our ongoing commitment to providing the world’s most advanced sensor-based sorting systems, we deliver TOMRA’s brand promise of “trusted technology and partnership for better business and environment.” ...


    By TOMRA Sorting GmbH.

  • Taking advantage of production waste - Case Study

    Recycling areas: Various scrap Company name: KME (Serravalle Copper Tubes) Located: Serravalle Scrivia (Alessandria), Italy Founded: 1886 Employees: 5700 KME is a leading global fabricator of copper and copper alloy semi-finished products. Each year 405.000 tons of copper and copper alloy semi-finished products (excluding copper wire) are produced. ...


    By Eldan Recycling A/S

  • The Need for a Total View of Water Networks

    The water industry is not short of software offerings, and so the arguments in favour of yet another software program had better be very good indeed. In this article we examine how one very significant community of users – operations managers, engineers and planners - have largely had their specific needs overlooked; we identify the type of system needed to fulfil their requirements and the ...


    By Innovyze

  • World’s largest compressible media filtration plant eliminates combined sewer overflows, with potential for dry-weather use

    The City of Springfield, Ohio, recently opened its 100 MGD enhanced high-rate treatment facility, designed to treat and disinfect combined high-volume stormwater and wastewater flows generated by wet-weather conditions. Utilizing EPA-documented Compressible Media Filtration technology – FlexFilter™ from WesTech – the system can also provide tertiary filtration and disinfection ...


    By WesTech Engineering, Inc.

  • Los Angeles County WRRF Embraces Codigestion

    Technology to produce food waste slurry key to project implementation - and helps generators comply with California organics recycling mandates. The Sanitation Districts’ JWPCP in Carson (CA) treats an average of 280 million gallons/day of wastewater. One of the two anaerobic digestion tanks above has been used for codigestion, with the second serving as the control. Photos ...


    By BioCycle Magazine

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