Un-Answered Questions { Chemical Engineering }

What is a solvent?

641


What are some good tank mixing rules of thumb?

642


What is a 'saltation velocity' and how is it used in designing pneumatic conveying systems?

622


What are some good strategies for curing tube vibration in shell and tube exchangers?

671


Is it ever advantageous to use shells in series even though it may not be necessary?

664


Who built the first production scale pla (polylactic acid) facility?

655


How can one quickly estimate the additional pressure drop to be introduced with more tube passes?

625


Is there any way to repair a valve that is passing leaking internally without taking our process offline?

731


What are some common causes of gas pipeline vibration 20 carbon steel line?

714


What is the easiest way to extract hydrogen from water and the safest way to store it?

719


Are there any general rules for flushing slurry lines?

622


How can you determine the proper pipe thickness for a slurry line?

643


How can one determine the particle size distribution for a given bulk solid?

665


What is pneumatic conveying?

715


While there, are many tests available to detect leaks on vessels, is there a technology available to quantify the leak, or measure the flow through a leak?

704