Understanding Sugar

1. Sugar
Manufacturing
Process
By J.P.
This Photo by Unknown Author is licensed under CC BY-ND

2. Content
• Introduction
• Importance of Sugar Refining
• Process Flow Diagram
• Manufacturing Process
I. Cutting
II. Milling
III. Clarification
IV. Filtration
V. Evaporation
VI. Crystallization
VII. Centrifugation
• By Products
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3. Introduction
a sweet, crystalline substance,
C12H22O11, obtained chiefly from the
juice of the sugarcane and the sugar
beet, and present in sap of
seed plants , used extensively as an
ingredient and flavoring of certain
foods and as a fermenting agent in
the manufacture of certain alcoholic
beverages.
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4. Importance of Sugar Refining
To remove impurities
To remove colour
To remove non sucrose substance
Consumer acceptability
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5. Process Flow Diagram
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80°C

6. Cutting/Shredding
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7. Milling
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8. Clarification
+ Liming (As Milk) in order to raise pH to 7
+ Sulphitation Colour of juice is completely bleached out
due to this process
+ Phosphatation (Flocculation)
+ Carbonation involves precipitation of calcium carbonate
through addition of lime and contacting carbon dioxide
gas.
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9. Clarifiers
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10. Filtration
Mud from the
clarifier still
contain some
residual juice.
Filtered to extract
residual juice in
rotary vacuum
filters
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11. Evaporation
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12. Crystallization
Three Stages of Crystallization
+ Nucleation
+ Initiation
+ Elongation
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13. Centrifugation
Separates
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SUGAR
MOLASSES

14. By Products
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Sugar Press mud Bagasse Molasse

15. Thank You!
This Photo by Unknown Author is licensed under CC BY