Pre Treatment Processes
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Pretreatment Techniques In Oil Refining
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Outline•Pretreatment Process
•Why Pretreatment Process?
•Activity of Enzymes
•Various Pre Treatment Process
•Statistics and Graphs
•Conclusion
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What is a Pretreatment Process?
• Raw Material
• Effective handling of the batch• Efficient Extraction Of Oil
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1.Receiving and Storage
Train
ShipBarge
Trucks
Receiving
SampleAnalysis
Drying Storage
Seed Preparation
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2. Preparation for Extraction
Seed From Storage Scaling Cleaning Process
Drying
CrackingDehulling
Flaking
Cooking
Heat Treatment
Extraction Process
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Activity of Enzymes
Lipase •Free Fatty Acids
Lipoxy Genase
•Increase Secondary Oxidation Products
Phospho Lipase
•Increase the Non Hydra table Phospho Lipids
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Why Pretreatment Process?Decrease wear and tear of Process
equipment
Efficient and Effective extraction of oil
Inactivation of Enzymes
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Sources of Edible oils
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World wide Top 10 Oil Productions1. 3.
2. 4.
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Ground Nut
5. 6.
7. 8.
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9. 10.
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Oil Content in Fruits and Kernels
Olive Palm Palm Kernel Coconut0
10
20
30
40
50
60
70
Oil Content
Fruits
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Oil Content in Seeds
Canola Corn Cotton Seed
Peanut Soybean Sunflower0
5
10
15
20
25
30
35
40
45
50
Oil Content
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Fruit Reception
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Sterilization
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CPO CPKO
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Canola Oil
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Cleaning
OversizeScreening
UndersizeScreening
ElectroMagneticScreening
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Heat TreatmentHeated : 30-40 C
• Fluid Bed Type Dryers• Rotary Kilns with steam heated coils
Fluid Bed Type Dryers
More Pliable Less Likely to shatter Reduce the moisture
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FlakingFlakes: 0.4 - 0.7 mm
• Single stage flaking rolls• Double stage flaking rolls
Fractures the starch matrix Ruptures the cell walls More efficiently oil is leached out in subsequent solvent extraction
Flaking rolls
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Cooking
Stacked Cookers
• Heated : 75-100 C• Ambient Air : 5-7% Moist
Rotary Cookers
Stack Cookers
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Coalesces minute oil droplets into larger
Facilitate oil and meal separation
Insolubilisation of Phospholipids
Increased fluidity of the oil
Inactivation of enzyme (Myrosinose)
(Phospholipase)
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RBD Canola Oil
Crude Canola Oil Bleached Refined
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Peanut Oil
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Cleaning De Shelling Drying
CrackingDehulling
Heat Treatment Flaking Cooking
Extraction
Pre Treatment Process
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De Hulling Process
Dehulling Machine
Hulled Dehulled
1.Increases Efficiency2.Increase the Capacity of
Extraction Equipment3.Reduce wear and tear of
Equipment
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Crude Peanut Oil RBD Peanut Oil
RBD Peanut Oil
Groundnut oil Cake
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Rice Bran Oil
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Increase In FFA
Lipolytic Enzyme
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Quality of Bran
Rice Variety
Treatment of Grain
Type of Milling
Degree Of Milling
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Rice Bran to Oil
Stabilization
Pelletization
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Stabilization•Arrest lipase and lipoxy genase activity
•Improve oil extraction efficiency
•Reduce fines in crude oil
•Reduce color development
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Pelletization
Refined Rice Bran Oil
Pellets
1. Rice Bran Converted to pellets of uniform size
2. Diameter ranges 6-8 mm3. Pelletization makes process efficient for oil extraction.
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Coconut Oil
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Sun Drying
• Kernels are separated from Shell• Drying 6-8 Days• Moisture 50% -- 6-8%
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Hot Air Drying
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Cleaning Grinding
Flaked
Cooking Extraction
Copra
(1) 8 Red/50 Yellow in the Lovi bond scale (2) Copra meal with 8% maximum residual oil (3) Approximately 0.6 cm and 6% maximum meal fines.
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Crude Coconut Oil RBD Coconut Oil
RBD Coconut Oil
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Olive Oil
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Pre Treatment Process
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Cold Pressing
Roll Crushers Cold Pressing
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Refined Olive Oil
Refined Olive Oil Green Bottles
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Cotton Seed Oil
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Cleaning Delinting
Dehulling
Separating Flaking
Cooking
Pre Treatment Process
• Moisture 11%• Flakes 0.12-0.25• Enzyme Gossypol
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Refined Cotton Seed Oil
Crude Cotton Seed Oil RBD Cotton Seed Oil Cotton Seed Cake
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Delinting
Linted Seed Delinted Seed
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ConclusionEase the oil extraction
Enzyme inactivation
Technology
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Any Quires??
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THANK YOU