2.3 Optimizing Production

    Cards (4)

    • Raw materials: materials converted by chemical reactions into useful products, the first step going in of the flow chart
    • Waste Products: Materials that are not the main product of the process and have no commercial value, seen as coming out of the flow chart
    • By-products: Materials produced that are not the main product of the process but have commercial value or can be used within the plant, seen as coming out and re-entering at another point in to the process
    • High pressure is not only expensive to maintain but also dangerous
      Temperature uses high energy costs
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