The BZB Silver Serpent Falling Film Evaporator recovers ethanol at 5 lbs per minute (170L/hour, or 45 gallons per hour) with 36kW of heating and 10 Tons of cooling. Greater heating and cooling available by request. 

3rd Party Engineer Peer Reviewed, approved for both ethanol and heptane.

Cost is $150k turn-key, $70k rack only, or $95k with gear pumps, +$5k for on-site training and install. Lead time is 4-6 weeks.


  • 36kW heater: 50A 480v 3~
  • 10 Ton chiller: 30A 480v 3~
  • Vacuum pump and regulator: 5A 115v 1~
  • Liquid pumps and panel: 5A 115v 1~ 

The rack itself takes up 3' x 3' on the floor. The chiller and heater are that large again, and need to be placed outside of the C1D2 area.

Available in Hex configurations, with double Evaporator and Condenser.


Falling Film Evaporator

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