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4. A dairy processing plant is interested in producing 100 kg of low fat cream (15% fat). The raw materials available for the plant are cream (45% fat) and fresh milk (3.5% fat). Calculate how much of the cream and fresh milk will be required to make the product. Assume all concentrations are in weight per weight (w/w).

4. A dairy processing plant is interested in producing 100 kg of low fat cream (15% fat). The raw materials available for the plant are cream (45% fat) and fresh milk (3.5% fat). Calculate how much of the cream and fresh milk will be required to make the product. Assume all concentrations are in weight per weight (w/w).

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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4. A dairy processing plant is interested in producing 100 kg of low fat cream (15% fat). The raw materials available for the plant are cream (45% fat) and fresh milk (3.5% fat). Calculate how much of the cream and fresh milk will be required to make the product.
Assume all concentrations are in weight per weight (w/w). 

2. (a) Show with the aid of separate flowsheet diagrams, recycling, bypassing and purging. Explain with one sentence each, the purpose of each process.


(b) A cereal product containing 65% water is made at the rate of 1000 kglhr. You need to dry the product so that it contains only 25% water. How much water has to be extracted per hour?

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