Overview

A leading grain-based ethanol production facility evaluated DSPN-G as part of its fermentation optimization program to enhance nutrient availability, maintain stable fermentation conditions, and support consistent alcohol production. The trial was conducted under normal plant operating conditions with continuous technical supervision from The Catalysts Group, focusing on key fermentation parameters such as alcohol production, Free Amino Nitrogen (FAN), fermentation cycle, residual sugar, and residual starch.

Plant Profile

Parameter Details
Industry Grain-Based Ethanol Production
Feedstock Grain
Application Fermentation Nutrient Optimization
Product Evaluated DSPN-G
Trial Type Commercial Plant Trial
Working Fermenter Volume 370 m3
Pre-Fermenter Volume 55 m3

The Challenge

The plant aimed to strengthen fermentation performance by:

  • Maintaining consistent alcohol production
  • Supporting adequate Free Amino Nitrogen (FAN) throughout fermentation
  • Improving fermentation stability under production conditions
  • Optimizing nutrient availability for healthy yeast activity
  • Maintaining efficient sugar utilization and starch conversion

The Catalysts Solution

To support the plant’s fermentation process,The Catalysts Group implemented DSPN-G, a specialized fermentation nutrient designed to provide balanced nitrogen supplementation for improved yeast performance.

The implementation included :

  • Process evaluation before the trial
  • Controlled application of DSPN-G during fermentation
  • Continuous monitoring of key fermentation parameters
  • Technical supervision and process optimization throughout the evaluation period

Performance Highlights

Parameter Performance Achieved
Average Alcohol 14.62% v/v
Setup FAN 111 ppm
Final FAN 95 ppm
Final pH 4.01
Fermentation Cycle 44 Hours
Residual Suga 0.27%
Residual Starch 0.25%
TVA 372 ppm

Before vs After Performance

Parameter Before Optimization After Optimization
Fermentation Nutrient Program Conventional nutrient supplementation Optimized with DSPN-G
Free Amino Nitrogen (Setup FAN) Standard operating level 111 ppm
Final FAN Standard operating level 95 ppm
Alcohol Production Stable plant operation 14.62% v/v
Fermentation Cycle Conventional cycle 44 Hours
Residual Sugar Standard fermentation performance 0.27%
Residual Starch Standard starch conversion 0.25%
Process Monitoring Routine monitoring Continuous technical supervision by The Catalysts Group

Key Outcomes

  • Achieved 14.62% v/v alcohol during the commercial trial
  • Maintained 111 ppm Setup FAN to support healthy yeast activity
  • Sustained 95 ppm Final FAN, ensuring adequate nutrient availability throughout fermentation
  • Completed fermentation within a 44-hour cycle
  • Maintained low residual sugar (0.27%), indicating efficient sugar utilization
  • Achieved 0.25% residual starch, demonstrating effective starch conversion
  • Maintained stable fermentation conditions throughout the trial with continuous technical support from The Catalysts Group

Conclusion

The commercial evaluation of DSPN-Gdemonstrated its ability to support stable fermentation performance in a grain-based ethanol production process. By maintaining adequate nutrient availability, supporting healthy yeast activity, and delivering consistent alcohol production with efficient sugar utilization, DSPN-G contributed to reliable fermentation performance under commercial operating conditions.