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 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
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