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when are process calculations

when are process calculations

when are process calculations

(OP)
In the creation of a chemical process plant, are process calculations done and then chemical data sheets are made. So in short, the sequence will be simulation>heat and mass balance>process flow diagram>equipment list>process calculation>process data sheet>

RE: when are process calculations

Basically, you are correct, but "will be" is too strong. It depends on the situation at hand. "Can be" or "might be" is more accurate. Some processes are not simulated. They may be too simple or too complex. Sometimes your process data comes only from R&D or an existing plant; no simulation. Small chemical businesses or poor business units within a "megacorp" may not spend the money for simulator software.

Also, a lot of times there is recycle. Your process calculations may convince you to change the H%MB or PFD. Or, if there is no commercially available equipment that meets the datasheet requirements, you may have to go back to step one.

Good luck,
Latexman

Technically, the glass is always full - 1/2 air and 1/2 water.

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