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5) Wet insulin crystals containing 32 g water per 100 g of dry insulin need to be dried in air to a moisture level of 5 g water per 100 g of dry insulin. For your convenience, a graph of water content of insulin vs. relative humidity and a psychrometric chart are provided below. a) Determine the percentage of bound and unbound water in the wet crystals before drying. b) Determine the relative humidity of the air to accomplish the drying to 5 g water/100 g dry solids. c) For drying with air at 20°C, what should be the moisture content of the air (g moisture/g dry air)? Water content (g/100 g dry solids) 40 30 20 10 Cefazolin sodium tPA 20 40 Insulin 60 Relative humidity (%) 80 100 220 20 g. 8 20 22 230 240 250 260 270 280 290 300 310 320 100 110 120 120 130 130 Enthalpy At Saturation (kJ/kg Dry Air) 140 150 160 170 180 190 200 210 Wet-Bulb se Seturation Temperature 80 8- ㄜ 30 40 50 60 70 Dry Bulb temperature (°C) g 80 90 100 110 120 10 10 330 60 340 350 360 370 380 390 400 170 990 00 50 09 Moisture Content (g/kg Dry Air) 30 40 70 60 100

5) Wet insulin crystals containing 32 g water per 100 g of dry insulin need to be dried in air to a moisture level of 5 g water per 100 g of dry insulin. For your convenience, a graph of water content of insulin vs. relative humidity and a psychrometric chart are provided below. a) Determine the percentage of bound and unbound water in the wet crystals before drying. b) Determine the relative humidity of the air to accomplish the drying to 5 g water/100 g dry solids. c) For drying with air at 20°C, what should be the moisture content of the air (g moisture/g dry air)? Water content (g/100 g dry solids) 40 30 20 10 Cefazolin sodium tPA 20 40 Insulin 60 Relative humidity (%) 80 100 220 20 g. 8 20 22 230 240 250 260 270 280 290 300 310 320 100 110 120 120 130 130 Enthalpy At Saturation (kJ/kg Dry Air) 140 150 160 170 180 190 200 210 Wet-Bulb se Seturation Temperature 80 8- ㄜ 30 40 50 60 70 Dry Bulb temperature (°C) g 80 90 100 110 120 10 10 330 60 340 350 360 370 380 390 400 170 990 00 50 09 Moisture Content (g/kg Dry Air) 30 40 70 60 100

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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5) Wet insulin crystals containing 32 g water per 100 g of dry insulin need to be dried in air to a moisture level of 5 g water per 100 g of dry insulin. For your convenience, a graph of water content of insulin vs. relative humidity and a psychrometric chart are provided below. a) Determine the percentage of bound and unbound water in the wet crystals before drying. b) Determine the relative humidity of the air to accomplish the drying to 5 g water/100 g dry solids. c) For drying with air at 20°C, what should be the moisture content of the air (g moisture/g dry air)? Water content (g/100 g dry solids) 40 30 20 10 Cefazolin sodium tPA 20 40 Insulin 60 Relative humidity (%) 80 100
Transcribed Image Text:5) Wet insulin crystals containing 32 g water per 100 g of dry insulin need to be dried in air to a moisture level of 5 g water per 100 g of dry insulin. For your convenience, a graph of water content of insulin vs. relative humidity and a psychrometric chart are provided below. a) Determine the percentage of bound and unbound water in the wet crystals before drying. b) Determine the relative humidity of the air to accomplish the drying to 5 g water/100 g dry solids. c) For drying with air at 20°C, what should be the moisture content of the air (g moisture/g dry air)? Water content (g/100 g dry solids) 40 30 20 10 Cefazolin sodium tPA 20 40 Insulin 60 Relative humidity (%) 80 100
220 20 g. 8 20 22 230 240 250 260 270 280 290 300 310 320 100 110 120 120 130 130 Enthalpy At Saturation (kJ/kg Dry Air) 140 150 160 170 180 190 200 210 Wet-Bulb se Seturation Temperature 80 8- ㄜ 30 40 50 60 70 Dry Bulb temperature (°C) g 80 90 100 110 120 10 10 330 60 340 350 360 370 380 390 400 170 990 00 50 09 Moisture Content (g/kg Dry Air) 30 40 70 60 100
Transcribed Image Text:220 20 g. 8 20 22 230 240 250 260 270 280 290 300 310 320 100 110 120 120 130 130 Enthalpy At Saturation (kJ/kg Dry Air) 140 150 160 170 180 190 200 210 Wet-Bulb se Seturation Temperature 80 8- ㄜ 30 40 50 60 70 Dry Bulb temperature (°C) g 80 90 100 110 120 10 10 330 60 340 350 360 370 380 390 400 170 990 00 50 09 Moisture Content (g/kg Dry Air) 30 40 70 60 100
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