Rotameters and Ozone Generation for Water Treatment

Introduction

ozone1

For nearly 100 years, ozone has been used all over the world for water sanitation. It is nature's strongest oxidizer and has a byproduct of pure oxygen. Chlorine, on the other hand, is a very effective, time-proven chemical, but is ineffective against hard-to-kill microorganisms such as cryptosporidium; it also has some unpleasant byproducts.

Ozone is recognized among the strongest, fastest, commercially available disinfectants and oxidants for water treatment, Ozone is used in both the disinfection of drinking water and bacterial killer in waste water treatment. Ozone is used in a large percentage of Municipal water treatment facilities as well as Pharmaceutical companies where pure water is essential.

Application

A large Municipality having both a water purification system and a waste treatment facility, decided to upgraded to an Ozone generation system to remove bacterial pathogens from both water streams. Customer needed a price competitive means of monitoring both locally and through a control system to insure the proper flow of Ozone was being injected to meet EPA standards.

Solution

Because of their price competiveness, large bold display and the optional 4-20 ma transmitter option with limit switches, Yokogawa's RAMC Rotameter were chosen to be the solution to this customer's needs. When a problem occurs that reduces the Ozone flow below the needed amount the RAMC limit switch would activate an alarm. Crews would then go and correct the situation and use the local indication to verify their corrective actions worked.

Water Treatment Facilities

To assist you in locating these water treatment opportunities in your area, below are links that list all the water treatment plants in the United States.

http://www.aham.org/ht/a/GetDocumentAction/i/51820

http://www.environmental-expert.com/companies/keyword- industrial-water-treatment-7040/page-2

Industries

  • Water & Wastewater

    Water resources are finite, and therefore contributing to a sustainable water cycle is one of the Sustainable Development Goals (SDGs). Yokogawa has been providing advanced digital control solutions for the stable supply of clean and safe water, wastewater treatment for protecting the water environment, water loss management and optimization of plant operation for reducing CO2 emissions and running costs. With our leading-edge technologies, dependable products and extensive expertise and experience of diverse water projects around the world, we work with you to provide sustainable water solutions that boost your business and add value throughout the plant lifecycle.

    Yokogawa supports a wide range of water control applications in both the municipal and industrial water markets.

      

     

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Related Products & Solutions

  • RAGK and RAGL

    RAGK and RAGL are specifically designed for the measurement of low flows of liquids and gases. Their main application field is in purging, analyzer and gas sampling systems, laboratories and machinery equipment.
    Measureable Flow Rates:
    Water = 0.002 l/h to 630 l/h
    Air = 0.1 l/h to 6300 l/h

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  • RAMC

    316L Stainless Steel Construction
    1.6 % accuracy (qG = 50 %)
    4 to 20 mA signal output
    HART protocol available
    Adjustable Limit Switches
    0.95 to 550 GPM
    0.42 to 1050 SCFM

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    The Variable Area Flowmeter is one of the oldest and mature principles in flow measurement with its simple design: a float rises inside a conically shaped glass tube as the flow increases and its position on a scale can be read off as the flow rate. Since this measuring method is purely mechanic, it as simple as it is reliable.

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