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A Complete Guide to Building an Edible Oil Processing Plant | One-Stop Analysis of Site Selection, Process, and Equipment

QIE
2025-08-27
Tutorial Guide
Are you considering investing in an edible oil processing plant but unsure where to start? From site selection to oil extraction processes and refining systems, every decision can impact future production capacity, efficiency, and profitability. With over 40 years of industry experience and successful projects worldwide, QIE Group offers investors a one-stop solution from design to delivery, ensuring your oil processing plant project is efficient, safe, and robust.

1. Factory site selection: avoiding the "four minefields"

The site is directly related to approval, logistics and operational efficiency. The following areas should be avoided:

  • Residential areas : Avoiding complaints

  • Swampy/unstable areas : Increased maintenance costs

  • Near airports/highways : high security and approval difficulties

  • Near hazardous materials warehouses : Fire risks

Recommendation : Choose an industrial park or agricultural product processing cluster to facilitate approval and environmental compliance, and benefit from supporting infrastructure. We can provide 3D factory layout design , covering the entire process from pretreatment, pressing, solvent extraction, refining, and filling , ensuring the workshop layout is efficient, safe, and meets international standards.

2. How to choose oil pressing process

The choice of oil pressing technology determines the production capacity, oil yield and product quality.

Mechanical pressing process

It is suitable for small and medium-sized factories and is commonly used for high-oil content raw materials such as peanuts, sesame seeds, and sunflower seeds.
👉 Advantages: small investment, easy operation, flexible production capacity.
👉 Recommended equipment: screw oil press.

Edible screw oil press

Solvent extraction process

Suitable for large-scale production (raw materials with low oil content such as soybean, rapeseed, cottonseed, etc.).
👉 Advantages: High oil yield, suitable for 10,000-ton-level factories.
👉 Supporting system: pretreatment (crushing, softening, puffing) + extractor + desolventizing and drying system.

💡 Some investors will choose the combined process of " pressing + solvent extraction " to maximize the utilization of raw materials.

Steamer

3. Recommended edible oil refining equipment and processes

Crude oil needs to be refined to meet edible oil standards. Depending on the production capacity, you can choose:

Batch refining (1–20 TPD)

Low investment, simple operation, suitable for small production capacity or specialty oil plants.

Semi-continuous refining (20–50 TPD)

It takes both cost and efficiency into consideration and is suitable for medium-sized oil refineries.

Fully continuous refining (>50TPD)

It has a high degree of automation and low energy consumption, making it suitable for large and export-oriented factories.

Supporting equipment: crystallization tank, refrigeration unit, decolorization tower, deodorization tower, etc.

Edible oil refiner

5. Investment and operating cost control

A successful edible oil plant depends not only on equipment selection, but also on long-term cost control:

Energy consumption : High-efficiency and energy-saving equipment can significantly reduce unit energy consumption;

Automation : PLC automation system reduces labor costs and human errors;

Environmental protection : Plan wastewater, waste gas and solid waste treatment in advance to comply with environmental protection regulations;

After-sales and maintenance : Reliable equipment and services can reduce downtime and protect investment returns.

FAQ

Q: How much does it cost to invest in an edible oil processing plant?

A: Costs depend on production capacity, process selection, and equipment configuration. Small oil plants require low investment, while 10,000-ton plants require a systematic budget. We can provide customized quotes.

Q: How should small and large oil refineries choose their processes?

A: Small oil mills mostly use mechanical pressing, which is simple to operate; large or low oil content raw materials are suitable for solvent extraction or a combined pressing + extraction process.

Q: How long is the payback period?

A: The payback period is affected by production capacity, raw material costs, and sales channels. Proper process planning and automation levels can shorten the payback period.

Q: What supporting services do you provide?

A: Full turnkey service from design to manufacturing to installation to commissioning to training and maintenance to ensure safe and efficient operation of the oil plant.

👉Contact us now to get the "Edible Oil Plant Construction Guide" to make your oil plant construction more worry-free and more efficient!

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