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  • Hi, Bioreactor designs highly on the process you are trying to perform. What is your input, and what is your desired output? From there, we can design the bioreactor. ------------------------------ John Larocco NJ ------------------------------

  • I am currently planning to prepare a lab-scale model of Membrane Bioreactor.I have studied in the literature that it is one of the best methods to produce high-quality effluent.I just wanted to know Membrane Bioreactor are more significant for which pollutants,i.e., for which type of pollutants Membrane Bioreactor ...

  • Just to try to clear up a few items mentioned in this thread.  1.  The likelihood of seeing one or more floods over a period of time can be computed using the binomial distribution (see Bulletin 17B Page 10-1 for the equation and Page 10-3 for the computed values).   For 1% annual chance exceedance ...

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  • I make it a point to explain to clients that the 100-year event has a probability of about 65% of occurring at least once in that 100 years.  That often puts a different light on the subject for them. ------------------------------ J Richard Weggel Ph.D., P.E., D.CE, F.ASCE Professor Emeritus Blue Bell ...

  • A lot of interesting discussion in this thread from many angles of the events in Houston. I heard an interesting talk on the traits of a successful engineer given by a past ASCE president. He made a very compelling analogy explaining return period and understanding risk. It goes something like this... ...

  • David Booth, Benjamin Pope, and Sheila Baran have made an interesting observation that we as hydrologists may have forgotten.  If you cannot explain it to someone not in the field, do we really understand it?  We explain things as 100-year event or 1% event.  This is part of our secret language as hydrologists.  ...

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