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  • Users: chemeng1357
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  1. chemeng1357

    quesion about schedule

    Hi 1-what is the relation between schedule number and pressure rating in psi? 2-what is the relation between pressure number and pressure rating?
  2. chemeng1357

    pharmaceutical

    can you address membrane system for recovery of antibiotics from waste of pharmaceutical production plants? please help me
  3. chemeng1357

    centrifuge

    thanks for your reply, i need to know if i replace filteration equipment such as centrifuge with decanter centrifuge,near 100% recovery of powders thanks
  4. chemeng1357

    impeller

    thanks EmmauelTop for reply, can you address practical formulas for mixing application? thanks
  5. chemeng1357

    impeller

    Hi How diameter of impeller affect input power for agitation purpos? is there relation for it? thanks for your reply
  6. chemeng1357

    stainless steel vessel thickness

    Hi please give me rule of thumb for st.st. vessel thickness of 2~10 cubic meter of volume , thanks for replyes
  7. chemeng1357

    vessel thickness

    Hi I will be pleased if you give me rule of thumb for pressure vessel thickness calculation. thanks for replyes
  8. chemeng1357

    chiller selection

    appreciate for replyes, is there absorption chiller with negative temperature working condition?
  9. chemeng1357

    chiller selection

    hi I need a chiller with 60ton refrigeration capacity chilled output temperature -20(C) what type of chiller is the best? thanks for reply
  10. chemeng1357

    Slow slurry filtration

    how much of main solution is insolubles ? it is the main question in filter type selection. if its percent is high try decanting, if it too low try cartridges, if density of insolubles is too higher than solution you may try continuous decanter centrifuge
  11. chemeng1357

    membrane use

    Hi Is there application for membrane in pharmaceutical product separation?please explain about it and economic analysis of it. thanks
  12. chemeng1357

    centrifuge

    Hi have you ever used decanter centrifuge for pharmaceutical product slurry? i need information about decanter centrifuge system and new systems used for cenntrifuge. thanks
  13. chemeng1357

    centrifuge

    Hi have you ever used decanter centrifuge for pharmaceutical powder slurry? i need information about decanter centrifuge system and new systems used for cenntrifuge. thanks
  14. chemeng1357

    vacuum pump sizing

    vacuum is needed for charging liquid from other tanks to other tank,what shouldi calculateor measure?
  15. chemeng1357

    vacuum pump sizing

    Hi I have problem in vacuum calculation for our tank of 4m3 volume and 4barg design pressure, design vaccum:-700mmHg please help me!
  16. chemeng1357

    carbon active

    Hi I have a question have you ever worked with carbon active as clarfier in pharmaceuticals production prior to crystallization? may we supersede that?and replace with other method? please help me! thanks for your replys
  17. chemeng1357

    filtering

    We have a problem with carbon active filtering that is added to clarify pharmaceutical solution products before crystallization, we use sparkler filter,and it is touble to wash it nad work with it, what type of filtering systm do you recommand us to filter carbon active particles, thanks for...
  18. chemeng1357

    Ultrasonic Flow Meter/Crude Oil

    these fowmeters make error if there is pulsation in flow, temperature variations and for low boiling point liquids, we have trouble with methylene chloride line
  19. chemeng1357

    Calculating U - in heat transfer

    you may use practical values for U from LUDWIG handbook as a guide then calculate heat transfer coefficients of each side then overall U from HEAT TRANSFER handbooks with consideration of accuracy of relations and fouling.
  20. chemeng1357

    Reactor Mixing Study: Color Tracers Needed

    first determine we would have suspension,1 phase or 2 phase system, in suspension case you may know your particle size distribution of main system,then you can simulate it,with mean particle size of knnown powder,see at what speed the suspension suspension made well mixed. if we would have 1...

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