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  • Users: GeeFore
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  1. GeeFore

    Websites or books on pharmaceutical engineering

    Can anyone suggest websites or books as starting point to learn about pharmaceutical engineering, especially for someone with chem eng background and switching from petrochemcial field?
  2. GeeFore

    used lubricating oil recycling

    I am in the used lubricating oil recycling business and we are using wiped film evaporation to get the base oil from used oil. Can anyone suggest some good books or websites for me to learn more about used oil (or waste oil) treatment, or wiped film evaporation itself? Thanks a lot!
  3. GeeFore

    Treatment of acid / alkalis

    Does anyone know how a chemical waste treatment center treat waste acid and waste alkali? As a chemical waste treatment center, all sorts of waste acid and alkali will be collected. Neutralisation is one step, but it probably won't solve all the high concentration ions, salts...etc. in the...
  4. GeeFore

    P&ID symbols

    Can anyone tell me where can I find a list proper symbols for P&ID diagram, like ball valves, globe valves...etc.? Thanks a lot! G.F.
  5. GeeFore

    Question on slant tube / slant plate clarifier

    Dear Sirs, We use both slant-tube and slant-plate clarifier for sludge thickening in the wastewater treatment plant. It is, in our case, a standard procedure to fill the clarifier with clear water before feeding in wastewater, especially after the clarifier had been completely drained. This...
  6. GeeFore

    Cleaning membrane

    We are testing the possibility of using membrane to filter dirty lub-oil, and we found that the membrane was fouled by contaminants (very sticky) in the lub-oil. Could anyone suggest what can be used to clean the fouling? The membrane was made by teflon.
  7. GeeFore

    Clean cooling tower

    Dear Sirs, Our plant has a cooling tower and we would like to clean by flushing with chemicals. What would you recommend? Thanks & Best Regards, G.F.
  8. GeeFore

    Lime slurry

    Dear all, My company have collected some lime slurry (with about 50% sludge / lime). We are considering to use that as a component for making gypsum and mix with sludge from our in-house wastewater treatment plant, making the final product a solid substance. Could anyone tell me how to make...
  9. GeeFore

    How to treat and dispose spent electrolyte

    Could anyone give me some advice on treatment of spent electrolyte (sulfuric acid, H2SO4). We can neutralise it but we could get the sulfate (SO4) down. Thanks in advance!
  10. GeeFore

    Vacuum Distillation

    Could anyone tell me where can I find vacuum distillation system (especially wiped film type) pilot testing equipment? Thanks a lot in advance!

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