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Chapter 1: Diagrams for Understanding Chemical Processes

Chapter 1: Diagrams for Understanding Chemical Processes. Block Flow Diagram Basic Overview (Principles 1 layout) Shows chemical processes, but types of equipment must still be determined. Target product is 37% formaldehyde in water. Known as formalin

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Chapter 1: Diagrams for Understanding Chemical Processes

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  1. Chapter 1:Diagrams for Understanding Chemical Processes • Block Flow Diagram • Basic Overview (Principles 1 layout) • Shows chemical processes, but types of equipment must still be determined

  2. Target product is 37% formaldehyde in water. Known as formalin • Occurs of a silver catalyst at 200 oC and 2 – 3 atm pressure • Reaction 1 is the predominant reaction • Develop a block flow diagram that describes the process

  3. Process Flow Diagram • Process Flow Diagram • Gives all major equipment, sizes, and materials of construction so that costs can be determined. • Gives complete mass & energy balances with component flow rates, temperatures, pressures, vapor/liquid/solid fractions. • Utility requirements

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