Used Ethanol Recovery Distillation Skid – 76% Recovery Rate, Hastelloy Construction
Overview
Description
Used Ethanol Recovery Skid / Distillation system, designed by Process Plus, is capable of processing 5,994 lb/h (718 gal/h) of ethanol-containing wastewater and producing 4,566 lb/h (692 gal/h) of ethanol, achieving a 76% recovery rate. The system includes a Steam Stripper Column (S-426-804) with packing, a Feed Economizer (HX404-804), a Bottoms Cooler (HX408-804), a Reboiler (HX-405-804), and an Overhead Condenser (HX-406-804). Wastewater containing ethanol, water, methanol, and trace solids is fed into the Steam Stripper Column (CL-108), a Hastelloy C-276 unit manufactured by Hebeler, rated for 34FV at 300F, and measuring approximately 44 feet in height and 2.5 feet in diameter (National Board #110, Serial #A148, built 1994). Ethanol is separated from the feed through a reboiler loop that circulates column bottoms via a pump. Solids are removed through a small purge stream, which is cooled to 115F using 85F cooling water in the Bottoms Cooler before being discharged. The ethanol-rich overhead vapor is condensed and cooled to 140F in the Overhead Condenser and flows by gravity to a Reflux Drum. From there, it is either returned to the column as reflux or sent out as product. When the Heat Recovery Condenser is in service, vapors are partially condensed there before final condensation and subcooling in the Column Condenser. The resulting ethanol product contains less than 0.1 wt% water, while the purge stream contains less than 1 wt% ethanol. The systems Hastelloy construction also allows for use in other solvent recovery applications requiring corrosion-resistant materials.
Specifications
Used Equipment Facts About This Machine
🔹 Manufacturer:
Designed by: Process Plus
Column Manufactured by: Hebeler (National Board #110, Serial #A148)
🔹 Description:
This Used Ethanol Recovery Skid is a fully integrated distillation system engineered by Process Plus, capable of processing 5,994 lb/h (718 gal/h) of ethanol-laden wastewater and recovering 4,566 lb/h (692 gal/h) of ethanol, achieving an impressive 76% recovery rate.
Central to the system is a Hastelloy C-276 Steam Stripper Column (CL-108), manufactured by Hebeler and rated for 34FV at 300°F, standing approximately 44 feet high and 2.5 feet in diameter. It includes essential heat exchangers and condensers for efficient phase separation and thermal control.
The system is well-suited for ethanol and solvent recovery in chemical, pharmaceutical, and biofuel industries where corrosion resistance and high recovery performance are critical.
🔹 Specifications:
System Throughput: 5,994 lb/h (718 gal/h) feed
Ethanol Recovery: 4,566 lb/h (692 gal/h) – 76% recovery
Product Purity: <0.1 wt% water in ethanol output
Column Material: Hastelloy C-276
Column Dimensions: 44 ft H x 2.5 ft D
Operating Temp: Rated to 300°F
System Components Include:
Steam Stripper Column (CL-108 / S-426-804) with packing
Feed Economizer (HX404-804)
Bottoms Cooler (HX408-804)
Reboiler (HX-405-804)
Overhead Condenser (HX-406-804)
Reflux Drum
Construction Year: 1994
National Board #: 110
🔹 Applications:
Ethanol recovery from wastewater streams
Solvent recycling in chemical manufacturing
Biofuel ethanol distillation
Pharmaceutical solvent recovery
Methanol separation from mixed alcohols
Waste stream reduction for environmental compliance
High-purity ethanol production for industrial use
Recovery of volatile organics from aqueous waste
Pilot or full-scale solvent recovery in R&D
Corrosion-resistant distillation in harsh environments
🔹 What might this be used for?
Recovering ethanol from fermentation or extraction waste streams
Recycling solvents in pharma and chemical operations
Minimizing solvent waste disposal costs
Upgrading bio-based ethanol purity
Ethanol separation in environmental remediation
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