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What production capacity is needed for a soybean oil factory?

QIE
2026-01-08
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QIE GROUP offers integrated solutions covering the entire process from pretreatment, pressing/leaching to degumming, deacidification, decolorization, and deodorization, supporting modular expansion and automated control. The solutions are suitable for both new construction and technological upgrades, ensuring that soybean oil plant production line capacity matches sales pace, cash flow, and ROI.
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What production capacity is needed for a soybean oil factory?

Based on QIE GROUP's turnkey experience, we scientifically defined the production capacity and expansion schedule of soybean oil plants.

When planning a soybean oil plant, the chosen production line capacity determines the investment amount, unit cost, inventory size, and subsequent expansion path. QIE GROUP offers a highly reliable evaluation method for soybean oil plants, their capacity, and production line capacity. This method covers market demand, raw material stability, process routes, energy and environmental protection, staffing, and compliance, helping investors clarify their products early on and facilitating faster profit generation later. The content is based on QIE GROUP's engineering and operational experience across multiple regions, enabling rapid estimation and comparison.


How to determine the production capacity of a soybean oil factory production line

It is recommended to use the target annual sales volume as a starting point, and then work backwards to deduce the required daily processing capacity based on the effective number of working days and equipment utilization rate.

Practical computational logic

  • Annual target oil product sales (tons) ÷ (oil yield × effective operating days × OEE) = annual soybean feedstock processing requirement (tons)
  • Annual raw material processing capacity (tons) ÷ Number of effective operating days = Target daily processing capacity (tons/day, t/d)

Reference values: Soybean oil content is typically 18%–20%; OEE (Overall Efficiency) is more robust when calculated at 85%–90%; leaving a 15%–20% capacity margin facilitates seasonal fluctuations and maintenance.

Recommendations on the Capacity Range and Process Configuration of Soybean Oil Plants

Different production capacity ranges correspond to different process routes, levels of automation, and unit investment levels. The following are typical combinations to help you quickly identify the appropriate one.

Production capacity level (t/d) Applicable Scenarios Recommended process Typical energy consumption (per ton of raw material) Personnel/Class Land area reference (including warehousing) Unit investment level
10–50 Trial production, regional brands, niche oil categories Full pressing + simple refining (mainly physical refining) Electricity 25–35 kWh; Steam 80–120 kg 4–6 1,500–4,000 m² Low
100–300 Regional markets, scalable pilot factories Pretreatment + Pre-pressing + Small-scale leaching + Chemical/Physical refining Electricity 18–28 kWh; Steam 180–260 kg 10–16 5,000–10,000 m² middle
500–1,000 Mainstream commercial supply, export-oriented Pretreatment + pre-pressing + continuous leaching + full-function refining (dewaxing/deodorization) Electricity 15–25 kWh; Steam 220–320 kg 25–35 10,000–20,000 m² Medium-high
1,500–3,000+ Large-scale integrated grain and oil, futures and spot market base High-efficiency pretreatment + pre-pressing + cyclic leaching + energy recovery refining + by-product deep processing Electricity 12–20 kWh; Steam 200–280 kg 45–70 20,000–40,000 m²+ high

Note: Energy consumption is a typical range and is affected by raw material moisture content, equipment energy efficiency, heat exchange and recovery, and operating strategies; land area includes process area and basic storage, and the specific amount is subject to the plan.

Six key factors influencing soybean oil mill capacity decisions

  1. Raw material supply stability : Ensure stable supply contracts and alternative sources for at least 6–12 months; transportation radius and port conditions determine storage capacity and delivery schedule.
  2. Target market and product structure : The product mix of bulk oil, bottled oil, edible soybean meal, phospholipids (lecithin) determines the depth of processing and equipment configuration.
  3. Process route : For small-capacity production, full pressing can be selected (residual oil 6%–8%), while for production >100 t/d, "pre-pressing + solvent extraction" is recommended (soybean meal residual oil can be as low as 0.8%–1.2%), resulting in better oil yield.
  4. Energy and Environmental Protection : The prices of steam, natural gas and electricity directly affect OPEX; solvent (hexane) recovery rate, VOCs control and wastewater treatment compliance are key approval points.
  5. Automation and Output Per Capita : DCS/PLC and online instruments can significantly improve OEE and stability, supporting higher production capacity in soybean oil plants without linearly increasing personnel.
  6. Compliance and safety : ATEX/IECEx area division, inerting, electrostatic grounding, and explosion-proof equipment should be included in the budget and design in advance to avoid retrofitting later.

Case Study Reference: A Three-Step Approach from Beginner to Expansion

Phase 1: 100–150 t/d

The project utilizes a "pre-treatment + pre-pressing + compact leaching + basic refining" approach, ensuring controllable investment, energy consumption, and labor costs, and validating the synergy between brand channels and raw materials.

Phase Two: 500–600 t/d

By introducing continuous leaching, thermal integration and solvent recovery optimization, and adding dewaxing and deodorization units, the unit cost is significantly reduced and the product grade is improved, supporting regional scale supply and export.

Phase 3: 1,500+ t/d

In collaboration with ports, railways, and bulk tank farms, an integrated system of "pressing, leaching, refining, packaging, and deep processing of by-products" is formed.

Oil yield, quality, and byproducts: the profit margins behind production capacity

  • Oil yield : Soybeans typically have an oil content of 18%–20%; by using “pre-pressing + leaching”, the residual oil in soybean meal can be reduced to 0.8%–1.2%, significantly improving the total yield.
  • Refining yield : The refining loss after degumming/deacidification/decolorization/deodorization is generally 1.0%–1.8%, which is related to crude oil quality and process parameters.
  • By-product value : Soybean meal is one of the core profit sources; at the same time, lecithin, fatty acids, etc. can be recovered, which can improve the overall profitability of the project.
  • Quality and Compliance : The final product must meet local edible oil standards (such as acid value, peroxide value, color, and residual solubility). Laboratory and online testing are key to stable quality.

Cost framework: Judging feasibility by orders of magnitude

CAPEX Drivers

  • Production capacity and automation level (unit investment decreases with scale)
  • Whether it is equipped with continuous leaching, dewaxing/deodorization and energy recovery
  • Explosion-proof rating and environmental protection measures (VOCs, wastewater, noise)
  • Civil engineering and warehousing (silos/flat warehouses/tank farms)

OPEX key items

  • Raw material delivery costs and losses (crushing, cleaning, drying)
  • Steam/electricity/gas unit price and boiler efficiency
  • Solvent loss (hexane recovery rate) and water treatment agents
  • Manpower, maintenance, spare parts and downtime losses

Investment Pace Recommendations

  • The factory buildings and utilities are planned using a "modular + reserved expansion" approach.
  • First, focus on solvent recovery and thermal integration to ensure a baseline for unit cost.
  • Reduce one-time input pressure by implementing phased operation (first pressing, then expanding leaching and refining).

QIE GROUP: From solutions to stable output

As a full-process supplier, QIE GROUP provides integrated services from basic design, 3D master plan, key equipment manufacturing, installation and commissioning to employee training and maintenance support, ensuring that soybean oil plant production lines can be put into operation as scheduled and stably achieve OEE targets.

  • Data-driven process packages: based on raw material samples, laboratory and pilot-scale verification is conducted, providing predicted ranges for energy consumption and oil yield.
  • Modular equipment and prefabricated pipe corridors: shorten the construction cycle and reduce on-site welding and explosion-proof risks.
  • Automation and visualization: DCS/PLC, data acquisition and energy consumption dashboards, real-time optimization of key nodes (pretreatment moisture, leaching solvent ratio, refining and decolorizing agent dosage).
  • Compliant design: explosion-proof zoning, inerting system, VOCs recovery, wastewater separation treatment and noise control to meet local permit requirements.
  • Full-cycle service: On-site technical support and operational optimization during the warranty period.

Determine requirements

  • Define the target market sales volume and product structure.
  • Calculate local energy and utilities conditions (steam, electricity, gas, water, and wastewater discharge indicators).
  • Discuss raw material samples and energy consumption/yield targets with the QIE GROUP's technical team to develop 2-3 sets of capacity and process comparison schemes.

Do you need us to calculate the optimal production capacity and solution for you?

Get a customized process package, energy consumption model, and investment list based on your market and raw material conditions, and receive a preliminary solution within 24–72 hours.

Consult QIE GROUP | Obtain soybean oil plant capacity assessment and process solutions

FAQ: Frequently Asked Questions about Soybean Oil Plant Capacity

1. Is solvent extraction mandatory for small-scale soybean oil plants?

Not necessarily. For capacities of 10–50 t/d, full pressing can be used, which requires less investment and has a simpler process; however, the residual oil content is higher, and the oil yield is lower than with pre-pressing + leaching. When the capacity is ≥100 t/d and lower unit costs are desired, leaching is recommended.

2. Will energy consumption be higher after the production line capacity of a soybean oil factory is increased?

Total energy consumption increases with production volume, but unit energy consumption typically decreases. Scale-up facilitates heat recovery, improves equipment efficiency, and enables continuous operation, leading to improvements in both electricity and steam consumption per unit.

3. How much expansion space needs to be reserved during the planning stage?

It is recommended to reserve process areas, tank areas, and utility capacity (boilers, cooling towers, power distribution) for expansions of 1–2 times the capacity on the site plan. This will allow for modular insertion and rapid expansion as the market grows.

4. What are the key points of typical product quality control?

Key indicators include residual solvent, acid value, peroxide value, color, and metal ion and phospholipid content. Parallel online monitoring and laboratory testing help stabilize refining losses and ensure regulatory compliance.

5. How long does it typically take from signing the contract to starting production?

Compact production lines can be operational in approximately 6–9 months; medium to large-scale projects typically take 9–14 months, depending on approvals, civil engineering, and equipment delivery. The QIE GROUP can shorten the overall project timeline through modular and parallel operations.

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