Case Study: How a Southeast Asian Customer Doubled Daily Soybean Processing Capacity with Our Integrated Oil Extraction and Refining Solutions

01 08,2025
Penguin Group
Case study
Discover how a leading soybean processor in Southeast Asia achieved a 100% increase in daily throughput by upgrading from traditional manual methods to an automated, integrated system featuring spiral press extraction, solvent-based oil recovery, and continuous refining. This real-world case reveals the technical strategy behind the transformation—PLC-controlled workflow, reduced labor dependency, and optimized energy use—and delivers measurable results: higher oil yield, improved quality compliance, and lower operational costs. Learn why more global edible oil manufacturers are choosing our equipment not just for capacity growth, but for sustainable production excellence.
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Case Study: How a Southeast Asian Customer Doubled Daily Processing Capacity

In the competitive world of soybean oil processing, efficiency isn’t just an advantage—it’s survival. A mid-sized oil mill in Vietnam recently transformed its operations by adopting our integrated helical press + solvent extraction + refining system. The result? A 105% increase in daily throughput, reduced energy consumption by 22%, and a drop in manual labor costs by 35%.

“We used to run 8 hours a day with 12 workers per shift. Now we process twice as much in 6 hours—with only 6 people.”
— Mr. Nguyen, Plant Manager, Vinh Phuc Soybean Oil Mill

The Bottleneck Before the Upgrade

The client was stuck in a cycle of inefficiency:

  • Daily capacity: ~3.5 tons of soybeans (manual pressing)
  • Oil yield: ~17.5% (low due to inconsistent heat control)
  • Energy use: 12 kWh/ton (high for traditional setups)
  • Manual labor: 12 operators per shift (error-prone, high turnover)

Why This Equipment Combination Worked

We didn’t just sell machines—we designed a production flow tailored to their scale and goals:

Component Key Benefit
Helical Press (Model HP-400) High-pressure continuous extraction, 95% oil recovery rate
Solvent Extraction Unit Reduces residual oil in cake to under 1%
Automated Refining Line PLC-controlled temperature & pH adjustments for consistent quality

Implementation Highlights

The integration wasn’t just about hardware—it was about seamless automation:

  • PLC-based control system enabled remote monitoring and real-time data logging
  • Continuous feed-to-output workflow minimized downtime between stages
  • Training modules helped local technicians master diagnostics within 2 weeks

Results That Speak Volumes

Metric Before After
Daily Capacity 3.5 tons 7.2 tons (+105%)
Oil Quality (FFA) 0.8% avg. 0.3% avg. (meeting ISO 5555 standards)
Operating Cost / Ton $18.50 $13.20 (-28%)

This case proves that upgrading doesn't mean overhauling—just smart optimization. Whether you're running a small plant or planning expansion, this model works across scales.

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