Process

Process (lat. processus - movement) is a naturally occurring or designed sequence of operations or events, possibly taking up time, space, expertise or other resource, which produces some outcome. A process may be identified by the changes it creates in the properties of one or more objects under its influence. Compare: project. See also: process management, process theory, and :Category:Nature.

Engineering

Chemical Engineering

A chemical process is a series of unit operations used to produce a material in large quantities.

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In the chemical industry, chemical engineers will use the following to define or illustrate a process:

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• Process Flow Diagram (PFD)
• Piping and Instrumentation Diagram (P&ID)
• Simplified Process Description
• Detailed Process Description