corrosion-resistant material wastewater Articles

  • Capturing biogas energy to increase your business profits while safeguarding the environment

    Methane is a biogas produced from swine or cow manure, as well as food processing and meat packing waste. Methane is a natural gas, that when left uncollected, contributes to the harmful greenhouse gases in the earth’s atmosphere. When biogas is captured under a cover and becomes concentrated, it creates a corrosive and toxic byproduct called hydrogen sulfide. The gas generates a rotten egg ...

  • Skimming Oily Wastewater

    As large generators of oily wastewater tighten effluent controls, the U.S. Environmental Protection Agency (EPA) is targeting smaller generators. Some of the firms receiving their attention are smaller manufacturing plants, automotive garages, mobile equipment service shops and truck farms. Many of these firms do not have access to a sanitary sewer system that will accept oily wastewater. Because ...


    By Abanaki Corporation

  • Wastewater-Primary Treatment

    Primary Treatment is defined as a wastewater treatment process that takes place in a rectangular or circular tank and allows those substances in wastewater that readily settle or float to be separated from the water being treated. This process achieves solids separation. The solids readily available to settle to achieve sedimentation will do so in a settling tank referred as a clarifier. On the ...

  • Wastewater Level Measurement Techniques

    Level monitoring and control is a fundamental requirement in any wastewater treatment process. You will find level instrumentation installed at even the simplest treatment plants for pump control, chemical storage tanks and process level controls or alarms. Operators have only limited or emergency control over treatment plant influent, so level controls and instrumentation play an important role ...


    By Greyline Instruments Inc.

  • Revolutionary materials - result in long-lasting stators

    Colfax Fluid Handling offers stators made of "Alldur" in progressing cavity pumps manufactured by Allweiler in Bottrop, Germany. These pumps have been used for decades in a variety of applications, including many sewage plants in Germany and other countries. They are characterized by their ability to easily pump liquids with a large proportion of dry substance and abrasive components. A variety ...


    By ALLWEILER GmbH

  • Municipal Wastewater Pump Station Design Problems and Solutions

    The growth of the Northern Virginia Area around Washington D.C. has resulted in the requirement for numerous new wastewater pumping stations and the upgrade and expansion of existing pump stations. This paper presents practical problems and solutions associated with the following pump station design issues: 1.) Concrete Corrosion Protection, 2.) Corrosion Resistant Materials, 3.) Pump Protection ...

  • Pollutants in Urban Wastewater and Sewage Sludge

    Untitled Document Executive Summary Water policy in the European Union is aiming to promote sustainable water use and a major ...

  • Deer Island Wastewater Treatment - Case Study

    The Project The Deer Island treatment plant, operated by the Massachusetts Water Resources Authority, is the public wastewater treatment facility for the city of Boston. The plant is undergoing an extensive refurbishment, replacing all of its chain and sprockets. Diversified Plastics, pre-qualified by the independent design engineering firm, earned the award of an equipment order. By the ...


    By Diversified Plastics, Inc.

  • Case study - Industrial wastewater reuse: CEMEX UK

    CEMEX is one of the world's leading cement producers and suppliers of building materials. In order to limit their manufacturing footprint in terms of process water usage, CEMEX UK sourced their water from the final settlement lagoons of their local wastewater treatment plant (Anglian Water). atg UV Technology was approached by CEMEX UK to supply a containerized UV wastewater treatment plant to ...


    By atg UV Technology

  • Case study - Corrosion protection in a pulp and paper industry

    It is widely accepted that corrosion has an important economic impact at an industrial scale. As an example, results of a study carried out in the US showed that the total annual estimated direct cost of corrosion in the country was $276 billion, which was approximately 3.1% of the nation’s Gross Domestic Product (GDP). Thus, within the last few decades, an important effort has been made to ...


    By Bioconservacion SA

  • Understanding cementitious resurfacers in water and wastewater environments

    An adhesion study of cementitious repair mortars used to address the surface defects and irregularities found in new or rehabilitative concrete construction is generating interest within the municipal water and wastewater construction industry, according to the author of a technical paper and several articles on the subject.Vaughn O’Dea, Director of Sales – Water and Wastewater Treatment for ...


    By Tnemec Company, Inc.

  • The use of the anaerobic baffled reactor for wastewater treatment: A review

    A review concerning the development, applicability and possible future application of the anaerobic baffled reactor for wastewater treatment is presented. The reactor design has been developed since the early 1980s and has several advantages over well established systems such as the upflow anaerobic sludge blanket and the anaerobic filter. These include: better resilience to hydraulic and organic ...


    By United Utilities

  • Tiny materials in countless products raise big questions for environment and health

    Nanotechnology opens a universe of possibilities — but also creates a world of unknowns. In recent years, efforts to develop the Next Big Thing — whether in medicine, computer technology, pollution prevention or high-performance materials — have turned to some really, really small things: nanomaterials. Working at the ...


    By Ensia

  • Questions and answers about damaging oilfield wastewater

    As U.S. oil and gas production increased this past decade, so, too, did spills of salty oilfield wastewater that can foul the land, kill wildlife and threaten freshwater supplies. An Associated Press analysis of 11 states found more than 175 million gallons of wastewater spilled from 2009 to 2014. Questions and answers about this damaging byproduct of energy production: WHAT IS IT? ...


    By Associated Press

  • Case study - Wastewater - Alexandria Sanitation Authority

    Smart Elbow® prevents wear-through in wastewater treatment plant's lime conveying lines. Alexandria Sanitation Authority, Alexandria, Virginia Situation As the city's primary sewage treatment facility, this plant treats an average of 40 to 45 million gallons a day. At peak, the volume can exceed 80 million gallons a day, as the plant operates ...


    By HammerTek Corporation

  • Questions and answers about damaging oilfield wastewater

    As U.S. oil and gas production increased this past decade, so, too, did spills of salty oilfield wastewater that can foul the land, kill wildlife and threaten freshwater supplies. An Associated Press analysis of 11 states found more than 180 million gallons of wastewater spilled from 2009 to 2014. Questions and answers about this damaging byproduct of energy production: WHAT IS IT? ...


    By Associated Press

  • Wastewater-Solids Dewatering Odor Control - Case Study

    Background The Milan Wastewater Treatment Plant, located just south of Moline, Illinois, is a 1.7 MGD (6,434 m3/day) activated sludge facility with an average wastewater flow of 700,000 gpd to 800,000 gpd. This facility dewaters primary sludge using a belt filter press (Figure 1). The press operates an average of three times per month, 8 hours per day at a pump rate of 100 gpm. The ...


    By Carus Corporation

  • Water Online Radio: Lessons from “The Wastewater Wizard”

    Dan Theobald interviewed by Todd Schnick/Todd Youngblood TODD:   How exciting to talk to our next guest, the WasteWater Wizard. His name is Daniel Theobald, and he IS the WasteWater Wizard. Welcome to the show Dan. DAN:  Hey thank you.  Glad to be here. TODD:  Before we get into this take a second to tell us a little about you ...

  • Safety corner - Ergonomic considerations for the wastewater treatment plant

    If you have ever had your golf swing assessed or changed the height on your desk chair, you have had an ergonomic experience. Ergonomics is an assessment of work spaces to reduce physical injury produced by repetitive job requirements. Ergonomics considerations cross every work type, from golf pros to lab technicians. Review of body mechanics while performing a job, with options of change to ...


    By GillTrading.com, Inc.

  • Oil skimmers solutions guide: wastewater treatment industry

    Growing Snack-Food Manufacturer Reduces Costs, Recycles Waste A privately held snack-food manufacturer in Ohio expected to increase production of potato chips by 20%, to about 72 million pounds a year. While more potato chips would mean more profits, it also would mean more oil-laden wastewater from washing the potatoes and the fryers used to cook them. PROCESS: When ...


    By Oil Skimmers, Inc.

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