Energy Efficient Purification of Bioethanol
Advanced distillation and dehydration solutions for 1G, 2G, 3G bioethanol
Sulzer has extensive experience in the design and supply of modular bioethanol purification systems, combining advanced separation technologies with process electrification to minimize energy use. Our unique design for distillation and dehydration enables production with low steam consumption, tailored to maximize heat integration and minimize overall OPEX. Whether upgrading fermentation products to pharma-grade ethanol or deploying new modular units, we provide process guarantees and proven reliability backed by several references worldwide.
Energy Efficiency
Reduce steam consumption by up to 95% using advanced heat integration and VoltaSplit™ electrification
High Purity
Achieve fuel, pharma, and industrial grades from 1G to 3G feedstocks with maximum yield
Proven Reliability
Minimize downtime with specialized anti-fouling technology and proven through global references
Main benefits
Unmatched Energy Efficiency: Reduce steam consumption by up to 95% and cut CO₂ emissions by up to 100% through advanced heat integration and VoltaSplit™ process electrification
Superior Purity & Versatility: Achieve fuel, pharmaceutical, food, and industrial grade ethanol from any feedstock (1G, 2G, 3G) with tailored distillation and dehydration configurations
Minimized OPEX & High Yield: Optimize operational costs while maximizing ethanol recovery through high-performance separation and side-stream valorization
Rapid & Scalable Deployment: Accelerate project timelines for both greenfield and brownfield sites with proven, skid-mounted modular solutions and full process guarantees
Proven Operational Reliability: Benefit from over 40 years of expertise and several global references, ensuring stable performance in even the most challenging fouling services
Key characteristics
Anti-Fouling Tray Technology: Equipped with VG™-AF and UFM™-AF valves to prevent solids buildup, drastically extending runtimes between maintenance cycles
High-Efficiency Structured Packing: Utilization of MellapakPlus™ to provide industry leading pressure drops, lowering energy demand and bottom temperatures
Advanced Dehydration Systems: Multiple Sulzer’s unique purification technologies to overcome the azeotrope, reaching fuel grade or high purity and high dryness ethanol up to <10 ppm of water.
Side Stream Valorization: Integrated systems for the recovery of valuable byproducts like fusel oil, acetic acid, and lactic acid to increase overall plant profitability
Turnkey Skid Solutions: Complete process plants delivered as pre-assembled modules, including cutting-edge automation
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Our technical specialists are ready to help you find the optimal solution for your specific application
Luis Hoffmann
Global licensing director
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By utilizing Mechanical Vapor Recompression (MVR) and multi-effect distillation, we can reduce steam consumption by up to 95%. These technologies reuse the latent heat of the vapors, significantly lowering the energy required for the separation process.
Yes. Our unique purification solutions combine high-efficiency distillation with advanced dehydration to remove impurities and meet the strict specifications of pharma, food, and industrial monomer grades.
Skid-mounted or modular units allow for rapid deployment and higher quality control. They are ideal for integrating into existing "brownfield" infrastructure to increase purity or boost productivity with minimal downtime.
