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  1. mgoblue

    Sparger design in fermenter

    Mr Jon Katz, You might try www.Komax.com. They make steam spargers. Bob Sander Bob Sander robert.sander@bpsolvaype.com
  2. mgoblue

    Sparger design in fermenter

    Your design looks good. I have used similar criteria to design spargers introducing steam into water and air into a fluidized bed. I cannot give you any further help on spacing the holes to avoid coalescence of the bubbles. If I have understood you well, you want to do the same thing that a...
  3. mgoblue

    Sparger design in fermenter

    It would help to know what you are trying to do with your sparger. Is it for agitation, is it for heat transfer, is it to disolve the gas into the liquid? I have found a good supplier in Komax. They make inexpensive spargers that agitate if that is what you want. I have used them to sparge...
  4. mgoblue

    Maximum velocity of fluid in pipe

    The way you answer this question is to use a reference like "The Crane book" from the Crane company. They are in Chicago, Illinois. It is called "Flow of Fluids through valves, fittings, and pipe". It gives formulas and tables for estimating delta P through pipe of various...
  5. mgoblue

    Natural Paint - What is it?

    My wife read a book that talks about the true story of a man in the late 19th Century who discovered and developed a natural paint when he was examining the a fallen tree. Apparently the paint required some heating process. Does anyone know what this might be? He was able to market his paint...
  6. mgoblue

    Definition of Torque vs Power

    I am struggling with the meaning of Torque. I know the equation of HP=Torque*rpm/constant. It is when I apply that to a gear box or a motor, I get confused. If a gear box is rated for a certain torque, what happens when I speed up the output shaft by changing the gear ratio. Is the torque...
  7. mgoblue

    di water

    There may be several reasons. It depends on the chemistry of your raw water. It may be necessary to have CO2 removal as a step. The first bed can generate a lot of carbonate that appears as CO2 and if not removed, will drop the pH and raise conductivity. In addition if your water contacts...
  8. mgoblue

    What is the definition of a "Pinion Gear"

    I deal with solving problems with gear boxes containing 4-7 shafts and I often hear the word pinion shaft used. What information does this give me about a shaft? <p>Bob Sander<br><a href=mailto:robert.sander@solvay.com>robert.sander@solvay.com</a><br>
  9. mgoblue

    what to use for thermal insulator??

    I do not understand what you are describing. I cannot picture in my mind what your head, plate, and element look like together. However, the conductivity values are the basis for selecting one insulator over another. You have the one value from the project engineer for the plate. You can...

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