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Loops are typically used to create a pressure drop to minimize water/condensate hammer through long pipe runs. Have seen on steam, condensate and cooling tower applications.

John zink or similar RTOs will do fine

Sorry, your question is confusing. If desgined correctly, the 40 mesh strainers are to remove all larger particles. 40 mesh is 420 microns. I'm confused on why the filter element demads such a small mesh size (ethanol uses a 100 micron size for MSU applications), yet downstream, the micron...

Please post your flow for feed streams and composition. U have the design condition for the heat exchanger? Also include your flow and composition of final product.

Nice post dcasto. Should also point out that, depending on the technology used, some use an additional colum to capture ethanol from bottom streams. Vodka stills utilize a 4 column design. Fuel ethanol is 2-3 stills (depending on technology).

agree with dbcoulter Get pump data information from nameplate, contact supplier or search online for pump curve. Check pump pressures in field (dead head condition), see where you are on the curve. If you believe this is incorrect, troubleshoot (rent a flowmeter, timed 5 gallon bucket test...

Here is a link to a dead man's handle http://www.centurywise.co.uk/view.asp?pid=72 Spring loaded valves are simply an air actuator with a large canister on the side. If air is lost, the spring will force the valve shut. Fail close valves.

Sorry, I have no value added to this post, but the title did bring a smile to my face. Thought this may be a personal dilemma.

Recommendations: 1. Find an American or Canadian to marry you 2. Get your professional engineering designation. I'm a Canadian working in the USA. Prior to my PE designation, I could not find work in the USA.

Do whatever makes the most sense. Bends can cause some concerns over plant traffic, equipment moving, laydown areas, etc. The benefit sounds like it fits! Bends are also an excellent way of slowing down plant traffic and having people look for alternate routes.

From my interpretation, you can have low point drains that would feed back to the primary system. All works great until you evaluate your SPCC plan. Hence why one should always look at tertirary containment.

Contact your local state or provincial engineering office and inquire to be sure. Canada has a nationwide agreement, and using the information for Manitoba below, I'm confident in stating that you cannot use the word engineer. About 7 years ago, I was on a board for a provinical association...

http://campus.udayton.edu/~hume/HooverDam/hooverdam.htm

Gotta be a misprint..NICr2

You didn't mention your industry. Consider doing a PHA or Hazop review for these P&IDs. Some references: http://www.uscg.mil/hq/gm/risk/E-Guidelines/RBDM/html/vol3/08/v3-08-03.htm#32 http://www.primatech.com/info/paper_major_hazards_analysis_an_improved_process_hazard_analysis_method.pdf