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Soybean protein concentrate contains 65% water, after extraction. It is pressed in a shape of slab 15´10´3 cm and dried by exposing both sides of the slab to air at 1 atm and 65 0C, containing 0.01 kg water/kg dry air across the faces of the slab at 3 m/s. The critical moisture content is 50% and the equilibrium moisture content is 5%. After 50% moisture content is reached diffusion will control. Assuming that the moisture distribution in the slab is uniform when average moisture content is at 50%, calculate the time required to reduce the moisture content from 65 to 10%. The density of the extract is 1.5 gr/cm3. The diffusivity of water in soybean concentrate is 2´10-5 m2/hr. Answer(15.15 hour)

Soybean protein concentrate contains 65% water, after extraction. It is pressed in a shape of slab 15´10´3 cm and dried by exposing both sides of the slab to air at 1 atm and 65 0C, containing 0.01 kg water/kg dry air across the faces of the slab at 3 m/s. The critical moisture content is 50% and the equilibrium moisture content is 5%. After 50% moisture content is reached diffusion will control. Assuming that the moisture distribution in the slab is uniform when average moisture content is at 50%, calculate the time required to reduce the moisture content from 65 to 10%. The density of the extract is 1.5 gr/cm3. The diffusivity of water in soybean concentrate is 2´10-5 m2/hr. Answer(15.15 hour)

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Soybean protein concentrate contains 65% water, after extraction. It is pressed in a shape of slab 15´10´3 cm and dried by exposing both sides of the slab to air at 1 atm and 65 0C, containing 0.01 kg water/kg dry air across the faces of the slab at 3 m/s. The critical moisture content is 50% and the equilibrium moisture content is 5%. After 50% moisture content is reached diffusion will control. Assuming that the moisture distribution in the slab is uniform when average moisture content is at 50%, calculate the time required to reduce the moisture content from 65 to 10%. The density of the extract is 1.5 gr/cm3. The diffusivity of water in soybean concentrate is 2´10-5 m2/hr. Answer(15.15 hour)
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