By D. Leo Pyle, Peter J. Fryer, Chris D. Reilly
This ebook covers many matters within the box of nutrition know-how, together with approach layout, probability and chance research, warmth and mass move and nutrients rheology. every one part conscientiously explains the methods mentioned and covers intimately lots of their vital purposes within the meals undefined. Accompanying the booklet is a pc-compatible computing device diskette, containing brief programmes of use in making plans techniques. "Chemical Engineering for the nutrition undefined" may be an invaluable textual content for all these operating in nutrition processing and for these instructing and learning this crucial topic.
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Additional resources for Chemical Engineering for the Food Industry
In steps 5 and 7) try a new R and repeat until answers converge. 1 for two iterations. The correct result can be converged on readily using a simple algorithm. 5 involves a reaction, it is relatively simple to handle because of the simplicity of the reaction stoichiometry: one mole (or kg) of glucose gives one mole (or kg) of fructose. Thus it is easy to keep track of the flows. 5 Result: Calculated fructose product (Fe) < Design value Calculated glucose in recycle (D-P) > Assumed value :. Try higher R Second iteration, R = 80 g f i T A B C Fe F 0 P D-P 72 0 8 80 170 0 10 180 85 85 10 180 0 85 0 85 0 80 0 80 85 0 10 95 18 0 2 20 67 0 8 75 Result: Calculated fructose product (Fe) > Design value Calculated glucose in recycle (D-P) < Assumed value :.
5kW The results of the calculation are summarized in the table below, with the same datum of 25°C and the reagents. 5. Here we consider the reactor only. Glucose enters in 40% aqueous solution at 60°C; there is no recycle. e. Q = 0). It is assumed that the specific heat capacity of the liquid stream is the same as water (cp = 4. 18kJkg- 1 K-l). Heat-of-solution effects are neglected. 04 at 60°C) follows the van't Hoff equation (Atkins, 1990, p. 44) or where Rg = 8314Jkmol- 1 K-l; T is in K. Assuming that the products are in equilibrium at the end of the reactor we wish to calculate the temperature and composition of the product stream.
In this scheme, fixed costs are those that are necessarily incurred no matter what the extent of capacity utilization; variable costs are those that depend on the actual scale of production or the capacity utilization.