AI3302 Unit Operations in Agricultural Processing Study Materials
Anna University – AI3302 Unit Operations in Agricultural Processing Regulation 2021 Syllabus, Notes, Important Questions, Question Paper with Answers, Previous Year Question Paper.
UNIT I EVAPORATION AND CONCENTRATION AI3302 Unit Operations in Agricultural Processing Syllabus
Unit operations in food processing –conservation of mass and energy – overall view of an
engineering process-dimensions and units – dimensional and unit consistency – dimensionless
ratios-evaporation – definition – liquid characteristics – single and multiple effect evaporationperformance of evaporators and boiling point elevation – capacity – economy and heat balancetypes of evaporators – once through and circulation evaporators – short tube evaporators and long
tube evaporators – agitated film evaporator
UNIT II MECHANICAL SEPARATION AI3302 Unit Operations in Agricultural Processing Notes
Filtration – definition –filter media – types and requirements-constant rate filtration – constant
pressure filtration – filter cake resistance-filtration equipment – rotary vacuum filter – filter presssedimentation – gravitational sedimentation of particles in a fluid – Stoke’s law, sedimentation of
particles in gas-cyclones – settling under sedimentation and gravitational sedimentation-centrifugal
separations – rate of separations – liquid – liquid separation – centrifuge equipment.
UNIT III SIZE REDUCTION AI3302 Unit Operations in Agricultural Processing Important Questions
Size reduction – grinding and cutting – principles of comminuting – characteristics of comminuted
products – particle size distribution in comminuted products-energy and power requirements in
comminuting – crushing efficiency – Rittinger’s, Bond’s and Kick’s laws for crushing-size reduction
equipment – crushers – jaw crusher, gyratory crusher-crushing rolls – grinders – hammer mills –
rolling compression mills – attrition, rod, ball and tube mills – construction and operation.
UNIT IV CONTACT EQUILIBRIUM SEPARATION AI3302 Unit Operations in Agricultural Processing Question Paper
Contact equilibrium separation processes – concentrations – gas-liquid and solid-liquid equilibrium
– equilibrium concentration relationships – operating conditions-calculation of separation in contact
– equilibrium processes-gas absorption – rate of gas absorption – stage – equilibrium gas –
absorption equipment-properties of tower packing – types – construction – flow through packed
towers-extraction – rate of extraction – stage equilibrium extraction-equipment for leaching coarse
solids – intermediate solids – basket extractor-extraction of fine material – Dorr agitator –
continuous leaching – decantation systems – extraction towers-washing – equipment
UNIT V CRYSTALLISATION AND DISTILLATION AI3302 Unit Operations in Agricultural Processing Question Bank
Crystallization-Equilibrium –Rate of crystal growth stage-Equilibrium crystallization-CrystallizersEquipment-Classification- Construction and operation – Crystallizers-Tank-Agitated batchSwenson-Walker and Vacuum crystallizers-Distillation-Binary mixtures-Flash and differential
distillation-Steam distillation –Theory-Continuous distillation with rectification –Vacuum distillation –
Batch distillation-Operation and process-Advantages and limitation-Distillation equipmentConstruction and operation-Factors influencing the operation.
| Syllabus | Click Here |
| Notes | Click Here |
| Important Questions | Click Here |
| Previous Year Question Paper | Click Here |
| Question Bank | Click Here |
TEXT BOOKS: AI3302 Unit Operations in Agricultural Processing Notes
1. Earle, R.L., “Unit operations in Food Processing”, Pergamon Press, Oxford, U.K, 1985.
2. McCabe, W.L., and Smith, J.C., “Unit Operations of Chemical Engineering”, Mc-Graw-Hill
Inc., Kosaido Printing Ltd., Tokyo, 1990.
3. Geankoplis, C.J. “Transport Processes and Separation Process Principles”, 4th Edition,
Prentice Hall, 2003.
REFERENCES: AI3302 Unit Operations in Agricultural Processing Important Questions
1. Coulson, J.M and J.F. Richardson. Chemical Engineering. Volume I to V. The Pergamon
Press. New York, 1999.
2. Albert Ibarz and Gustavo V. Barbosa-Cánovas. Unit Operations in Food Engineering. CRC
Press LLC, Florida, 2003.
Related Links
Anna University Syllabus Regulation 2021
Anna University Regulation 2021 Study Materials
CGPA Calculator For Anna University
Download Padeepz App for Android