Question

Almonds can be transformed into flour, at the beginning of the process humidity (water content) must be removed through a dryer. The processing of an almond batch that initially contains 80% water and 20% of solids, is given to a drier remove the water (), which then gives a product of dry flour that contains 40% humidity and 60% of solids.

414kg

a) Find the block diagrams of the process, indicating the data provided.

b) Composition of the residue stream.

Answer 1

6 Block Diagram q Ho (414 kg 1 Dryer Feed 80% water (F) 20% solid Product (P) 40% water boy solid let 6 I in feed 0.8 f is - 0.2F in F water solid & po in produe t upg 0.4P is water o. 6 p in solid since not going anywhore solid is F - = 0, 6P 0.8 anafer in semone Now 4 14 kg 414 0.8F - OP = means cs Scanned with 0.8 -0.4* 5) = 414

O, sr 414 0.85 - 1.6 F 2914 p(0.8-15) -44 F = 1552.5 kg ) Fe 0.2667 p= 4x F = 4 x 1552.5 p=2070 kg this 2070 kg toy in water (2070 x 40 = 820) 6oy is soled ( 2070 x 60 = 1242) so, the composition of product in Total product & Pa 2070 kg water in product ro - 828 kg solid in probentas Porid 1242 kg

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