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Distillers Corn Oil (DCO) Recovery Plant

Distillers Corn Oil Recovery Plant - Raj Process Equipments

Maximize Profits with Distillers Corn Oil

Recover a valuable co-product from your existing corn-based ethanol distillery.

Value Recovery

Recover a valuable co-product stream from existing ethanol operations.

Additional Revenue

Generate additional revenue without requiring extra corn feedstock.

Improved Resource Utilization

Engineered value from every process stream in your distillery.

Process Integration

Seamless Integration with an Existing Distillery

The DCO recovery system is integrated after distillation and decantation, recovering oil from the stillage stream before the de-oiled stream returns to evaporation and DDGS production.

Distillery Integration
Milling Liquefaction CO₂ Fermentation co-product Fermentation Ethanol Primary product Distillation Decantation Stillage / Slop DCO Recovery Recovered oil DCO Storage De-oiled stillage Evaporation DDGS Dryer De-oiled stillage returns to evaporation and DDGS production.
Milling
↓
Liquefaction
↓
↑ CO₂ Fermentation co-product
Fermentation
↓
↑ Ethanol Primary product
Distillation
↓
Decantation
Stillage / Slop ↓
DCO Recovery
Recovered oil ↓
DCO Storage
De-oiled stillage ↓
Evaporation
↓
DDGS Dryer

De-oiled stillage returns to evaporation and DDGS production.

DCO Recovery Process

01
Stillage Treatment

Conditioning and treatment of the stillage stream for optimal separation.

02
Controlled Dosing

Controlled dosing system to maximize oil release from stillage.

03
Oil Separation

High-efficiency mechanical oil separation of distillers corn oil.

04
DCO Storage

Collection and transfer of recovered oil to DCO storage tanks.

Scalability: Adaptable across multiple plant capacities.

Business Case

Turn a Process Stream into a Valuable Co-product

01

Additional Revenue

Recovering and selling corn oil creates an additional revenue stream without requiring additional corn feedstock.

02

Enhanced DDGS Quality

Partial oil removal produces reduced-fat DDGS that may suit specific livestock and poultry-feed formulations.

03

Expanding Market

DCO serves growing animal-feed, biofuel and industrial markets in India and internationally.

Applications of Distillers Corn Oil
01
Animal Feed Ingredient
A high-energy fat ingredient used in livestock and poultry-feed formulations to increase dietary energy density.
02
Biodiesel & Renewable Diesel
A triglyceride-rich feedstock suitable for conversion through established fuel-processing technologies.
03
Industrial Applications
Used in oleochemicals, paints and coatings, printing inks, soap, surfactants, emulsifiers and lubricants.

Future Potential : Expanding maize utilization and corn-based ethanol capacity strengthen the long-term case for DCO recovery.

Indicative Design Basis

Performance Snapshot — 100 KLPD Distillery

Input
255–260 TPD
Corn at approximately 60% starch
Output
100 KLPD
Ethanol
Output
3.5 TPD
Distillers corn oil ( approx .)
Output
70 TPD
DDGS (approx.)

Figures are indicative and vary with corn quality, starch content, plant configuration and operating conditions.

Typical DCO Specifications
Parameter Specification
Free Fatty Acid 15% max.
Moisture 1% max.
Insoluble Impurities 1% max.
Unsaponifiable Matter 2.5% max.

Final product quality depends on feedstock characteristics, operating conditions and selected treatment configuration.

Why Raj Process

Engineering Value From Every Process Stream

Expedited Execution

Efficient project implementation and commissioning.

Hassle-Free Operation

Reliable operation with simplified maintenance.

Precision Engineering

Customized integration across plant capacities.

Future-Ready Solution

Improved recovery and co-product utilization.

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