Fermentation of molasse to ethanol with yeast

Продукт No: P1313600

Principle

As a result of the need to save energy and the increased consciousness of environmental problems, biotechnological production methods are on the advance. Fermenters are used for the biotechnological production of enzymes and other products using bacteria, yeast and cell cultures. For educational purposes a bubble bioreactor used in this experiment is a more convenient and economical alternative to commercial fermenters. To demonstrate how fermenters work, in this experiment molasse which is a waste product of sugar production is fermented in the so-called batch process.

Benefits

  • Simple experiment specially designed for teaching and for introductory lab courses
  • Perpendicular setup which is easy to survey and therefore ideal for demonstration

Tasks

  1. Molasse is to be fermented to ethanol.
  2. Determine the yield of your process.

What you can learn about

  • Fermentation
  • Ethanol
  • Bioreactor
  • Yeast



Перечень материалов (вы́писка) Продукт Количество
Precision Balance, Sartorius ENTRIS822-1S, 820 g / 0,01 g 49295-99 1
Immersion thermostat Alpha A, 230 V 08493-93 1
Heating mantle f. roundbottom flask, 250ml 49542-93 1
Bubble bioreactor 65999-00 1
Frame for complete experiments 45500-00 1
Power regulator 32288-93 1
Bath for thermostat, makrolon 08487-02 1
Liebig Condenser, with head, GL18/8 35795-15 1
Panel for complete experimental setups 45510-00 2
Apparatus carrier w. fix. magnet 45525-00 1
External circulation set for thermostat Alpha A 08493-02 1
Stutzer attachment GL25/12 35791-15 1
Apparatus holder, variable 45526-00 1
Aquarium pump, 150 l/h, 230 V AC 64566-93 1
Pycnometer, calibrated, 25 ml 03023-00 1
Clamping holder, turnable, 18-25 mm 45521-00 1
Flask,round,1-neck,250ml,GL25/13 35812-15 1
Round bottom flask, 100ml, GL 25/12 35841-15 1
Rear-cover for compl.-exp. panel 45501-00 1
Oleic acid pure 500 ml 31685-50 1
Clamping holder,18-25mm 45520-00 4
Hook on fixing magnet 02151-03 1
pH test sticks 4.0-7.0,100 sticks 30301-03 1
Clamp for heating mantle 49557-01 1
Glass tube,right-angled, 10 pcs. 36701-52 1
Tube Coupling, d = 8 mm 47521-00 2
Spring plugs, 50 off 45530-00 1
Pipettor 36592-00 1
Sulphuric acid, 10%, tech.gr., 1000 ml 31828-70 1
Glass tubes,straight with tip, 10 36701-63 1
Sodium hydroxide sol.,10%, 500ml 31630-50 1
Magnesium sulphate 500 g 30136-50 1
G-clamp 02014-00 2
Dropping pipette with bulb, 10pcs 47131-01 1
Bottle,nar.mouth,1000ml,clear,p.s 41104-01 1
Ammonium sulphate 250 g 30027-25 1
Fixing bands,universal,100 pcs. 45535-00 1
Cotton wool, white 200 g 31944-10 1
Erlenmeyer flask,narrow n.,100 ml 36118-00 1
Erlenmeyer flask, DURAN, narrow neck, 250 ml 36124-00 2
Graduated cylinder 100 ml 36629-00 1
Pinchcock, width 15 mm 43631-15 1
Funnel, glass, top dia. 80 mm 34459-00 1
Spoon, special steel 33398-00 1
Silicone tubing i.d. 7mm, 1 m 39296-00 1
Graduated pipette 10 ml 36600-00 1
Silicone tubing, ID 4 mm 47529-00 1
Rubber tubing, i.d. 6 mm 39282-00 6
Tubing connector, ID 6-10mm 47516-01 2
Hose clip, diam. 8-16 mm, 1 pc. 40996-02 13
Hose clip f.12-20 diameter tube 40995-00 1

Литература по данной статье

Название Продукт Язык
Handbuch Lehrerversuche Komplettversuche, DEMO advanced Chemie (CET) 01855-01 DEU
Demo advanced Chemistry Manual Complete Experiments (CET) 01855-02 ENG

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Продукт No: P1313600

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