Dairy Process Engineering

Teacher

Dr. Vivek Kumar

Category

Core Courses

Course Attendees

Still no participant

Course Reviews

Still no reviews

Course Name : Dairy Process Engineering

Code(Credit) : CUTM1152(2-0-1)

Course Objectives

  • Imparting knowledge about different unit operation in Dairy industry eg. Evaporation, drying, fluidization, process equipments and membrane separation.

Learning Outcomes

  • Students will learn about milk evaporation, drying, spray dryer, drum dryers, fluidization.
  • Students will also learn about processing equipment like butter making machines, ghee making machines, cheese making machines.

Course Syllabus

Module 1

Evaporation: Basic principles of evaporators, construction and operation, Different types of evaporators used in dairy industry, Calculation of heat transfer area and water requirement of condensers, Basic concepts of multiple effect evaporators, Operations and various feeding systems, Economy of operation, Thermo processor and MVR system, Care and maintenance of evaporators.

Project

  • Design problems on double effect evaporator and vacuum pan.
  • Constructional details, operation and maintenance of multiple effect evaporator.

 

Module 2

Drying: Introduction to principle of drying, Equilibrium moisture constant, bound and unbound moisture, Rate of drying- constant and falling rate, Effect of Shrinkage, Classification of dryers-spray and drum dryers, spray drying, etc., air heating systems, Atomization and feeding systems. Factors affecting bulk density of power, spray dryer controls, Theory of solid gas separation, cyclone separators, Bag Filters, Care and Maintenance of drum and spray dryers.

Project

  • Constructional details, operation and maintenance of spray drier.

 

Module 3

Fluidization: Mechanisms of fluidization characteristics of gas-fluidization systems, Minimum Porosity, Bed Weight, Pressure drop in fluidized bed, Application of fluidization in drying, Batch fluidization, Fluidized bed dryers. Processing equipments: Mechanization and equipment used in manufacture of indigenous dairy products, Ice-cream and Cheese making equipments.

Practical

  • Constructional details, operation and maintenance of butter making equipment.
  • Constructional details, operation and maintenance of equipment related to ghee production.
  • Constructional details, operation and maintenance of ice-cream making equipment.
  • Constructional details, operation and maintenance of cheese making equipment.

 

Module 4

Packaging equipments: Packaging machines for milk & milk products. Membrane Processing: Ultra filtration, Reverse Osmosis and electro dialysis, Materials for membrane construction, Ultra filtration of milk, Effect of milk constituents on operation, membranes for electro-dialysis.

Project

  • Constructional details, operation and maintenance of reverse osmosis and ultra-filtration system.
  • Visit to a milk product plant.

 

Suggested Readings

  1. Ahmed, T. 1985. Dairy Plant System Engineering. Kitab Mahal, K.L. Agencies Pvt. ltd., New Delhi.

2.Ahmed, T. 1990. Dairy Plant System Engineering and Management. Kitab Mahal, K.L. Agencies Pvt. ltd., New Delhi.

3.Anantakrishnan, C.P. and Simha, N. N. 1987. Technology and Engineering of Dairy Plant Operations. Laxmi Publ., Delhi.

4.Brennan. 1969. Food Engineering Operations. Elsevier Publ. Co., Amsterdam, New York.

5.Farrall, A. W. 1963. Engineering for Dairy and Food Products. John Wiley and Sons, New York.

6.Gardner, A. W. 1971. Industrial drying. Leonard Hill Publ., London.

7.Kesseler. 1981. Food Engineering and Dairy Technology. V. A. Kessler Publ., Freising, Germany.

Session Plan

Session 1

Evaporation: Basic principles of evaporators, construction and operation

Session 2

Different types of evaporators used in dairy industry

Session 3

Calculation of heat transfer area and water requirement of condensers,

Session 4

Basic concepts of multiple effect evaporators,

Session 5

Operations and various feeding systems, Economy of operation

Session 6

Thermo processor and MVR system, Care and maintenance of evaporators.

Session 7

Project 1: Design problems on double effect evaporator and vacuum pan.

Session 8

Project 2: Constructional details, operation and maintenance of multiple effect evaporator.

Session 9

Drying: Introduction to principle of drying, Equilibrium moisture constant, bound and unbound moisture.

Session 10

Rate of drying- constant and falling rate, Effect of Shrinkage,

Session 11

Classification of dryers-spray and drum dryers.

Session 12

Spray drying: air heating systems, Atomization and feeding systems.

Session 13

Factors affecting bulk density of powder, spray dryer controls.

Session 14

Theory of solid gas separation, cyclone separators, Bag Filters

Session 15

Care and Maintenance of drum and spray dryers.

Session 16

Project 3: Constructional details, operation and maintenance of spray drier.

Session 17

Fluidization: Mechanisms of fluidization characteristics of gas-fluidization systems,

Session 18

Minimum Porosity, Bed Weight, Pressure drop in fluidized bed

Session 19

Application of fluidization in drying, Batch fluidization, Fluidized bed dryers.

Session 20

Processing equipments: Mechanization and equipment used in manufacture of indigenous dairy products, Ice-cream and Cheese making equipments.

Session 21

Project 4: Constructional details, operation and maintenance of butter making equipment.

Session 22

Project 5: Constructional details, operation and maintenance of equipment related to ghee production.

Session 23

Project 6: Constructional details, operation and maintenance of ice-cream making equipment.

Session 24

Project 7: Constructional details, operation and maintenance of cheese making equipment.

Session 25

Membrane Processing: Ultra filtration, Reverse Osmosis and electro dialysis,

Session 26

Materials for membrane construction,

Session 27

Effect of milk constituents on operation, membranes for electro-dialysis.

Session 28

Project 8: Constructional details, operation and maintenance of reverse osmosis and ultra-filtration system.

Session 29

Project 9: Visit to a milk product plant.

Case Studies

Case Studies

Recent Comments

    Our Main Teachers

    Dr. Vivek Kumar

    Assistant Professor
    VIEW PROFILE

    Dr. Vivek Kumar is currently working as an Assistant Professor in the Department of Agricultural Engineering, School of Agricultural and Bioengineering Centurion University of Technology and Management, Paralakhemundi Campus, Odisha. He obtained his Ph. D degree from the IIT, Kharagpur in the field of Food Process Engineering. He has more than 6 years of experience […]