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Not a bad choice. We handle many corrosive chemicals at our manufacturing site and use HastC for lots of process equipment. This alloy holds up very well as long as we keep running. We see most of our problems when we shut things down for either a process change or maintenance and the...

Have you checked with the supplier? They can usually provide very good data on what works for their chemicals.

I have been tasked with developing a piping specification for steam lines in our plant. We have two on site boilers generating steam at ~90psig. Our plant uses this steam for various heating operations including pipeline tracing and reactor heating. Most of our lines are 2" or less with our...

aswainpkt, Email me your fax number at mike.fowler@clariant.com and I will get them coming. I can definitely understand your position and would be happy to help out a fellow. MFowler

aswainpkt, We had the back issues of Chemical Engineering in our department. I believe you can order back issue articles from the magazine web sites. If you still can't get your hands on them, let me know and maybe I can get them to you. MFowler

Aswainpkt, The only suggestion I may have is to run your process at the boiling point of the reactor contents. By using an overhead condenser at total reflux, you can take advantage of the heat of vaporization to remove some extra heat. You are going to be hard pressed to remove that much...

Since my last post, I took the opportunity to actually run the numbers to see if I could confirm the heat transfer coefficient suggested by Montemayor. I was able to find three well written articles on this subject: Garvin, "Understand the Thermal Design of Jacketed Vessels&quot...

Mr. Montemayor: Thank you for your detailed input. I greatly appreciate the advice and the time you took to share it. It appears that I have even more to consider than before. mfowler

I am currently designing a larger replacement vessel for an existing stainless steel reactor at our plant. To minimize the steel thicknesses we are investigating using half-pipe coils as the heating/ cooling source. In order to evaluate the new design, I need to calculate the steady state...