IIT Kharagpur crop production technology syllabus

IIT Kharagpur crop production technology syllabus




Dairy Process Engineering

3 – 0 – 0 : 3 Credits Prerequsites: None

Fundamentals of Dairy Chemistry: Roles of lipids, proteins, carbohydrates,

minerals, vitamins and enzymes.

Dairy Microbiology: Importance of psychrophilic, mesophilic and thermophilic

spoilage organisms in storage, pasteurization and sterilization.

Cream Separation: Principles of separation, equipment, effectiveness, cut-off

diameter and energy requirement.

Homogenization: Principle of operation, design calculation for laminar and

turbulent regimes. Concentration and Evaporation: Water and solid balance: Boiling point

elevation- pressure/temperature relationship; Falling and rising film

evaporators, thermocompressors, steam economy.

Pasteurization and Sterilization: Decimal reduction time, Z value, activation

energy, sterilizing value, nutrient destruction; Equipment for pasteurization,

direct and indirect sterilization; Ultra  РHigh  РTemperature (UHT)


Spray Drying: Efficiency and energy consumption in spray drying: Cyclone

separation principle; Instantization – fluidized bed drying.

Dairy Products Manufacturing: Buttermaking; Ice-cream manufacture;

Cheese making; Malted milk drinks; Indigenous dairy products


Chlorination of Water: Chlorination principle for microbiological safety.

Plant Sanitation: Sanitation chemistry, CIP cleaning, equipment.

Effluent Treatment: Pollution control in dairy plant: BOD, COD, enzyme

kinetics, continuous stirred tank reactor, activated sludge system, trickle


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