o boy, is it a pen tablet or Ipod like thing? Anyhow I agree with dexter about the feedback of ratio value. Let me share you the air_fuel ratio controller, a typical one.

air_fuel_ratio.GIF
You can see that this logic is more or less the same as you have devised for your plant. Main set-point to ...

octane, I guess you are talking about carburization process. Carbon is transferred into iron by the following reactions:
CO + H2 = H2O + C
2 CO = CO2 + C
CH4 = 2 H2 + C
The thermodynamics of these reactions is well known. First reaction is the fastest and most important carburization reaction, and ...

"Associated trim" is a term referred to all associated minor accessories of any vessel like vent valves, drain valves, instrument bridles, etc. In general P&ID also contains information regarding piping material, insulation requirement and other related to the trim. There accessories are basically ...

yeap, its inlet temperature with permissible deviation of 8%.

good sharing bro

nice sharing idris

thanks imran, but there seems some issue when i tried to apply above equation in excel. Can you share any excel sheet with such equation working?

tosif, i couldn't get your point. Can you please share some logic diagrams (CLDs) or flow sheets that may help me and others to understand?

As you may aware during a project engineering/commissioning phase there is a huge amount of documentation that need to be handled properly for effective working. I just need to inquire if any one of you have some experience of project file / record numbering / management system?

Absorber dimensions can only be evaluated using some simulator (like HYSYS, PROII) by doing heat and mass balance. Then you have to do hydraulic evaluation of HYSYS results using sizing software such as TRAY2000. I don't think there will be any direct rule to get that. Obviously it depends upon ...