Water & Wastewater Articles

  • Meliadine Mine - Case Study

    This is a case study for a mine remote located in the Nothern region Nunavut of Canada. Meliadine is a gold mine where the camp wastewater is treated by a MBR technology. Probiosphere Bioremediation product Archaea supported the commissioning and startup of this project. This case study relates how Probiosphere Bacterial products can be trusted even after having gone under harsh environmental ...


    By Probiosphere Inc.

  • NFPA 820 Compliance in Wastewater Treatment Plants

    Wastewater treatment plants are essential structures in cities and small communities. Such facilities are closely monitored by several professional institutions, such as OSHA and the NFPA. When it comes to the latter group, guidelines set forth in NFPA 820 are regulations that dictate fire hazards in such facilities. Fire related accidents in wastewater treatment facilities are uncommon. However, ...


    By Larson Electronics LLC

  • Best Biomass Carbonation Machine Currently Available

    Whenever a chemical process called pyrolysis occurs, it can create a couple different products that are really profitable. Typically, plastic or rubber tires are utilized, but in addition there are ways to convert biomass to the same kind of products. There may be a whole lot biomass in the present day that may be produced through the process of harvesting lumber, all of which simply goes toward ...

  • Case study - Filtration for Alcan (France) swarf recovery at an aluminium billet plant

    In 1998 this Glosfume ceramic filter system was originally installed at British Aluminium plant in the UK to filter oily fumes from an induction furnace smelting oily swarf recovered from billet sawing. The filter is injected with 2C talc before being recycled back to the inlet ducting. At a pre-set time, the talc is discharged to a collection drum and the cycle is repeated. During 2006 British ...


    By Glosfume

  • Building Box Culverts with Articulated Cable Concrete Block Systems

    When you need to manage the flow of water in an area with streams, heavy rainfall or otherwise consistently wet conditions, the box culvert stands the test of time. Box culverts have been around for many years for a good reason: they can be excellent tools for directing and controlling water so it doesn’t cause erosion and interfere with roads, trails or other manmade structures that need ...

  • Case study - Municipal Incinerator (Slovenia)

    WID and BREF-compliant EU showcase municipal incinerator in Slovenia During 2008 Glosfume was asked to supply a ceramic filter which could achieve emission levels below WID. Representing the state-of-the-art in high temperature filtration design rated at 70,589 Am3/hr @ 250 °C. The installation complies both Waste Incineration Directive (WID) and BAT Reference note ...


    By Glosfume

  • Case study - Smelting of Secondary Aluminium (UK)

    Filtration for induction smelting of aluminium scrap Coleshill Aluminium Ltd purchased their first ceramic filter from Glosfume in 1994. Since then, we've developed a close working relationship and over the past 18 years, Coleshill have purchased four filter units, most recently in 2005. During induction smelting, contaminated aluminium scrap is converted into ingots and the ...


    By Glosfume

  • Case study - OTMS Boxed Beef Incinerator (UK)

    Over Thirty Month Scheme (OTMS) 'Boxed Beef' incinerator. This installation involved replacement of a 3-metre ceramic element filter that suffered constant element breakages and inadequate SO2 removal due to a poorly designed filter and powder injection system. The client appointed W.S. Atkins to source a filter which had high efficiency particulate removal and effective dry ...


    By Glosfume

  • Case study - Waste food to energy

    BIONOVA-GLOSFUME PROCESS. A patented BIONOVA process which converts food waste into energy was awarded the 2010 Food Processing award. During 2010 Jamie Oliver identified the benefits from converting waste food to energy. This greatly reduces the cost of landfill with the benefit of minimising the cost of hot water for the kitchens. The Glosfume Biomass Filter offers ultra low ...


    By Glosfume

  • Long-Term Water Quality Monitoring Deployments with the Sea-Bird Hydrocat-Ep - Case Study

    The new Sea-Bird Scientific HydroCAT-EP incorporates a suite of physical and biogeochemical sensors into a single, robust instrument designed to maximize water quality parameters and give sustained accuracy. The instrument uses the same high quality Sea-Bird and WET Labs sensors found on their industry    leading    CTDs    and    ocean ...

  • ANSI/AHRI standard 420-2008 for fan and coil evaporators - benefits and costs

    Abstract Fan and coil evaporators as used in the industrial refrigeration industry can be certified for performance per ANSI/AHRI Standard 420-2008, Performance Rating of Forced-Circulation Free-Delivery Unit Coolers for Refrigeration. This paper will explain how the standard works and illustrate the costs related to evaporators that may not meet the performance criteria of the standard. ...


    By Evapco Inc.

  • Water: the natural choice - better comfort, lower cost

    Hydronic systems deliver safe, more responsive indoor comfort, especially with multiple zones. They provide the most efficient method of dehumidifying in humid climates. Chilled water does the job. There are several ways to move BTUs around a building. Choosing water delivers superior comfort without the use and expense of man-made refrigerants. Water is the greenest, safest way to heat and ...


    By Evapco Inc.

  • Breaking the code, rev 1 - compliance requirements for California title 24-2013 for Cooling Towers, Closed Circuit Coolers and Evaporative Condensers

    The California Energy Commission released the final version of Title 24-2013 last Fall, and early this year changed the effective date of the standard from January 1, 2014 to July 1, 2014. Equipment selected for the State of California will need to meet the new Title 24, Part 6 requirements beginning July 1, 2014. Relevant requirements include: Increased efficiency requirements for Open, Axial ...


    By Evapco Inc.

  • Water: the natural choice - safe, natural water delivers better comfort, lower cost

    Using water to heat or cool your building is the safest alternative, as hydronic systems can be installed and serviced by any licensed professional contractor. Because other refrigerants are toxic, they must be installed by specially trained technicians. You'll see those same technicians on expensive service calls installing factory replacement parts because components are not interchangeable ...


    By Evapco Inc.

  • Water: the natural choice - system flexibility and maintenance are uncomplicated by proprietary limitations

    Hydronic comfort systems may be installed and serviced by any licensed professional contractor. Parts are interchangeable because hydronic systems are standardized. Hydronic Systems incorporate state of the art technology that provides Owners both system longevity and building flexibility. With hydronic systems you do not get locked into systems that must be installed and serviced by specially ...


    By Evapco Inc.

  • New York Legionella regulations: are they missing the boat?

    Abstract A large outbreak of Legionnaires’ disease in the Bronx in 2015 prompted NYC to enact law and NYS to propose emergency regulations on the registration and maintenance of cooling towers. This paper describes the fundamental characteristics of point sourced vs. potable water sourced outbreaks and discusses the Bronx outbreak from those perspectives. Ultimately a case is made that ...


    By Evapco Inc.

  • Total heat versus sensible heat evaporator selection methods & application

    Scope The purpose of this paper is to provide specifying engineers, purchasers and users of evaporators in industrial refrigeration applications with an explanation of “total heat” versus “sensible heat” selection methods and how the method used can impact coil capacity, fan horsepower, physical size and first cost of the equipment. This paper provides ...


    By Evapco Inc.

  • Laboratory test report - the effect of scale formation on heat transfer coils

    Background EVAPCO, Inc. recently introduced new Evaporative Condensers and Closed Circuit Coolers which utilize extended surface coils. For decades extended “fin” surfaces have been used on heat transfer coils, often referred to as “finned coils” primarily in an effort to increase dry capacity. However, in the past the fin material was limited to carbon steel tubes ...


    By Evapco Inc.

  • Water: the natural choice - when it comes to moving BTUs around a building, nothing beats water

    A Modern hydronic heating and cooling system is the safest and the most efficient way to keep your buildings comfortable. Independent industry studies prove that when compared side by side, hydronic-based systems provide the best return on investment. They provide substantial increases in the Future Value of a building when compared with "refrigerant" systems. It can take as much as 40 percent ...


    By Evapco Inc.

  • Drain stub bore hole cracking - Case study

    Purpose This plant service bulletin alerts customers to inspect drain line stub bore holes for radial cracking. Problem Numerous incidents have been reported of header cracking caused by water quenching the drain line stub bore hole and header ID, especially reheater headers. This problem occurs when drain lines from boiler, superheater and reheater headers of a ...


    By Babcock & Wilcox MEGTEC LLC

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