Biotechnical Production of Ethanol

Product Description

• Batch conversion of starch-based raw materials into ethanol.
• Open mash tank with water-jacket cooling, steam injection and stirrer.
• Closed fermentation tank with stirrer and water-jacket cooling/heating.
• Distillation unit with 3 bubble cap trays, dephlegmator, condenser and stirrer.
• 2 pumps for delivering the mash.
• Ph value control in the mash tank with acid and caustic delivered by metering pumps.
• Adjustment of the amount of injected heating steam, the cooling water flow rates and the head temperature by means of pid controllers.
• System control using a plc; operated by touch screen.
• Software for data acquisition via USB under windows 7, 8.1, 10.

Technical data

• Mash tank:40L
• Fermentation tank:50L
• Product tank:10L
• Spent mash:30L

Distillation unit

• Column: dxh:220x1200mm
• Sump capacity:45L
• Sump heater:0..7500W

2 air-operated diaphragm pumps

• Drive pressure:2bar
• Max. Flow rate:15l/min
• Max. Head:20m
• Max. Solid lump size:4mm

2 metering pumps (acid and caustic)
Max. Flow rate:each 2,1l/h
Measuring ranges

• Temperature:10x 0..150°C
• Water quantity mash tank:0....20L
• Ph value:2....10
• Pressure heating steam:0...10bar
• 400V, 50Hz, 3 phases
• 230V, 60Hz, 3 phases

Dimensions and weight:

• Lxwxh:3500x1200x2000mm
• Weight:approx. 500kg