Pressure Cleaning Articles

  • Case study - Ice Blast technology for steam generator decontamination

    Background At Point Lepreau NGS the Health Physics Department looked for alternative decontamination methods that could be applied to reduce the dose expenditure as a result of maintenance on the primary side of our steam generators. Due to the characteristics of the CANDU design (i.e., primary circuit being high purity D2O) introduction of foreign contaminants was also a concern. ...


    By Coulson Ice Blast

  • Membrane chemical cleaning: why is it required and how is it performed?

    Membrane fouling, defined as the accumulation of particles and organic matter at the surface or in the pores of membranes occurs during membrane filtration. Membrane fouling results in membrane performance loss, i.e. lower rejection values, lower permeate flux and higher pressure drop, which translates into higher operational cost. The extent of fouling depends on the feed quality, operating ...


    By Sterlitech Corporation

  • Raw water clarification by flotation with microbubbles and nanobubbles generated with a multiphase pump

    Raw water clarification by flotation was studied by injecting air into a centrifugal multiphase pump to generate microbubbles (MBs) and nanobubbles (NBs). Measurements of gas dispersion parameters were performed and optimal conditions were obtained using a pump pressure of 4 bar. Values showed a bubble Sauter diameter of 75 μm, an air holdup of 1.2%, a bubble surface area flux of 34 s−1 and an ...


    By IWA Publishing

  • 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 ...

  • Water Innovations Facility Upgrade

    A few facility upgrades at Water Innovations worth mentioning this quarter at our San Diego 10,000 square foot facility. As we continue to hire a growing workforce across departments, and several years of our continued investment and growth. We have invested in an Electrostatic Precipitator, to use in our in-house paint both. This is a device that removes suspended dust particles from a ...


    By Water Innovations, Inc

  • Q&A Session: Accessing Innovation Through Research and Development

    Accessing Innovation Through Research and Development Where there’s a problem there’s a solution, sometimes it just takes a little ingenuity to get there. When you’re in the business of providing solutions to municipal and industrial water resource recovery utilities, then it’s helpful to invest in ingenuity. For KLa Systems, a ...


    By KLa Systems, Inc.

  • At Goulds Water Technology, business means family and family means business - Case Study

    When Seabury S. Gould founded his pump company in the mid-1800s, he knew he had a good thing going. He believed in the material and the design, and he was proud to be the man behind fresh flowing water for the pioneers opening the West, the farmers in the East and the plantations down South. What Gould didn’t know, and ...

  • Sensitivity analysis on the pollutant trapping efficiencies of a novel sewerage overflow screening device

    A novel ‘Comb Separator’ was developed and tested with the aim of improving sewer solids capture efficiency and reducing blockages on the screen. Experimental results were compared against the industry standard ‘Hydro-Jet™’ screen. Analysing the parameter sensitivity of a hydraulic screen is a standard practice to get better understanding of the device performance. In order to understand the ...


    By IWA Publishing

  • K3Delta installs a high-efficiency BBA Pumps jet water unit

    The Dutch K3Delta family business has a rich history. Since 1928 the company has been a leader in the responsible extraction of sand and gravel. Additionally, the company has become a major player in the raw materials market, where sustainable development plays a key role. For the production site at Lingemeer near Echteld, K3Delta has recently installed a new ...


    By BBA Pumps

  • Binary vs. Quaternary: Which Pump is Right for You?

    How to decide which chromatography system pump is right for you Well, you’ve made it this far and I am guessing that you are coming back because I have provided some useful information to help you understand the differences and nuances of a binary versus ...


    By Waters Corporation

  • Binary vs. Quaternary Pumps: High Pressure Mixing vs. Low Pressure Mixing

    Welcome to the next installment in my series on binary vs. quaternary pumps for liquid chromatography! In my previous post, I discussed how gradients are created as well as the importance of having accuracy and precision in your gradient. ...


    By Waters Corporation

  • Binary vs Quaternary Pumps

    How is a Gradient Created? Any liquid chromatograph is an amalgamation of a certain set of components that delivers to the scientist a monograph of the sample they are analyzing.  Traditionally, an LC system consists of a pump, an injector, a column heater, a detector and even more commonly these days a mass spectrometer or mass detector.  In ...


    By Waters Corporation

  • Case study - Beltran WESPs deliver superior gas cleaning performance for Zambia’s fast-growing copper industry

    The central importance of copper production to the Zambian economy is reflected in the fact that the value of copper exports in 2010, about $5.8 billion, accounted for 78 percent of the country’s total merchandise export earnings, and helped make it the seventh largest producer in the world. Capitalizing on a worldwide surge in copper prices and the coincident privatization of ...


    By Beltran Technologies, Inc.

  • 4 Key Design Criteria for Jet Mixers

    Jet mixers are widely used in both municipal and industrial wastewater treatment facilities to blend the plant influent and suspend light organic solids in circular equalization tanks.  Other applications for these powerful hydraulic mixers include mixing anoxic tanks and anaerobic reactors with the latter application being for industrial waste streams only. Jet ...


    By KLa Systems, Inc.

  • Study of dilution, height, and lateral spread of vertical dense jets in marine shallow water

    This study provides information for the design of sea outfalls to dispose of brine from desalination plants into shallow lagoons of the sea. The behavior of vertical dense jets was studied experimentally by discharging cold saline water vertically upward into a tank filled with hot freshwater under stagnant ambient conditions. The minimum return point dilution, μmin, was determined ...


    By IWA Publishing

  • Key Design Parameters for a Jet Aeration System

    Three Questions To Answer When Adding A New Aeration System Installing an aeration system for your industrial wastewater treatment plant can be a complex process. To make it more efficient, it is important to provide the correct information to your aeration system supplier from the very beginning. Here are three simple questions you should be able to answer when your aeration supplier ...


    By KLa Systems, Inc.

  • 5 Must Do Steps to Keep Your Jet Aeration System Running Smoothly

    Sustained low dissolved oxygen levels in an aeration tank can cause a host of problems — including difficulties in maintaining soluble BOD (biochemical oxygen demand), reduced nitrogen removal efficiency, and challenges with biomass separation. A jet aeration system offers a solution, utilizing both a pump and blower to meet the oxygen transfer requirements of a biological process. A well ...


    By KLa Systems, Inc.

  • Leather processing hots up with new Lowara e-SV for high temperature applications

    BYPELL Srl Tannery, Bassano del Grappa, Italy BYPELL Srl is an Italian leather tannery which has been in operation for almost 150 years. Starting out in the mountainous Asiago region close to Vicenza, the company began treating leather with alpine vegetable oil which was produced onsite. At this time, the business was called Conceria Bernardo. In 1920 it moved to a purpose built ...


    By LOWARA - a Xylem brand

  • Ghirardelli Chocolate Factory - Case Study

    Sweet Rewards: new composite cutting blade and hydraulic ram enable us to overcome accessibility challenges Challenge Replace corroded cast iron pipes without disrupting a factory’s production line. Solution Our consultant Ben Patterson found water standing under the plant’s cleanout grilles. A ...


    By TRIC Tools Inc.

  • 570,000 Gallon Aquastore CE Tank Helps Improve Service

    Engineering America, CST Storage Channel Partner completes installation of Aquastore® composite elevated storage tank for the Public Wholesale Water Supply District No. 4. The water district sells water to other water districts and municipalities, and is located just north of Altamont, Kansas. Ken McNickle, Manager for the water supply district said the tank that sits on top of the concrete ...


    By CST Industries Inc

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