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Recent content by chiefeng

  1. chiefeng

    SRB Corrossion

    Has anyone had any experience with Sulphate Reducing Bacterial Corrosssion? We have a ship that has extensive pitting in the ballast tanks on the flat bottom area. How can we nuetralize it? After plate replacement and blasting how would you suggest we treat the minor effected areas after...
  2. chiefeng

    Corrosion rate of steel in saltwater

    I am a technical manager for a small shipping company and have just experienced a similar problem. We have encountered Sulphate Reducing Bacteria and the corrossion rate for this is 10mm - 25mm per year! It is distinguished by sharp edged pits with an oxide coloured ring around them. All the...
  3. chiefeng

    Oily Water Separation On Board Ships.

    The engineers on our vessels are having trouble with adequately maintaining the 15ppm via the coalescer type OWS, although it is only 3 years old. I have sailed for 30 years and had the same problems. Has anyone had any experience with ULTRAFILTRATION onboard ships? If so, any contacts please?
  4. chiefeng

    Oily Water Separation

    The engineers on our vessels are having trouble with adequately maintaining the 15ppm via the coalescer type OWS, although it is only 3 years old. I have sailed for 30 years and had the same problems. Has anyone had any experience with ULTRAFILTRATION onboard ships? If so, any contacts please?

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