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[SarahGeoStrategy]

Would forced circulation, falling film, or forced film evaporators ever be used in any of the following applications in a refinery, petrochemical plant, or any other types of chemical plants? If so how common is this? Does having a waste water treatment plant eliminate the need for an evaporator? What types of chemical or petrochemical plants would this be used in if at all?

- Boiler blowdown
- Cooling tower blowdown
- Flue gas desulpherization waste
- Oil field produced water
- Scrubber blow down
- Glycol (ethylene and propylene) production

What would be the main reasons for using an evaporator in one of those applications? Is it mostly just for energy saving purposes?
Is there an upper limit of volume or capacity where an evaporator would no longer be an usefu means of processing waste water?

[Art Montemayor]

It is very difficult and time-consuming to explain the correct answer to your generalized query when you haven't had the basic preparation or training in Unit Operations or done your basic processing homework. To attempt to do so would only reveal a need for teaching the basics in processing fluids and applying heat transfer.

To discuss evaporators intelligently, you have to have a grasp of the basics behind Unit Operations. This involves taking at least a couple of first-year Chemical Engineering courses. Otherwise, any attempt to answer your query will lead us all on a discussion merry-go-round that ultimately defines the need for a Unit Operations Seminar. And we don't have the resources, space, or time to teach Chemical Engineering processes on our Forums. We are not structured for teaching. We are structured for helping and assisting those that know the basics in processing but require help in specific details.

Sorry.