German coal contains an average of one tonne of sulphur per 100 tonnes of coal. During combustion, this generates in about two tonnes of sulphur dioxide. Thus, a large 700-megawatt power plant which burns about 200 tonnes of coal per hour produces about 100 tonnes of sulphur dioxide per day. These days of course, such a large quantity of a pollutant can no longer be simply released into the air, therefore these flue gases have to be desulphurised. This model experiment provides a simple demonstration of the chemical processes of flue gas desulphurisation as it is carried out in power plants today. The clear, compact setup and the simplifications undertaken relative to industrial scale desulphurisation make it easy to understand the process.
| Materiallist (Excerpt) |
Product |
Amount |
|
Frame for complete experiments
|
45500-00
|
1
|
|
Sec.bottle500ml,2xGl18/8,1x25/12
|
34170-01
|
1
|
|
Apparatus carrier w. fix. magnet
|
45525-00
|
1
|
|
Panel f. compl. experim. set-ups
|
45510-00
|
1
|
|
Combustion tube 200mm,quartz,PN19
|
33947-00
|
1
|
|
Spring manometer, 0...-1000 mbar
|
34170-02
|
1
|
|
Quartz glass wool 10 g
|
31773-03
|
1
|
|
Clamp on holder
|
02164-00
|
1
|
|
Teclu burner, DIN, natural gas
|
32171-05
|
1
|
|
Clamping holder,turnable,18-25mm
|
45521-00
|
2
|
|
Glycerol 250 ml
|
30084-25
|
1
|
|
Test tube GL25/8, w.hose connec.
|
36330-15
|
3
|
|
Water jet pump, plastic
|
02728-00
|
1
|
|
Rear-cover for compl.-exp. panel
|
45501-00
|
1
|
|
Liquid Indicator pH1-13 UNISOL113
|
47014-02
|
1
|
|
Water, distilled 5 l
|
31246-81
|
1
|
|
Clamping holder,18-25mm
|
45520-00
|
4
|
|
Stopcock,3-way,t-shaped, glass
|
36731-00
|
1
|
|
ACTIVATED CARBON,GRANULAR 250 G
|
30011-25
|
1
|
|
Calcium hydroxide 500 g
|
30054-50
|
1
|
|
Barium chloride sol.,10%, 250 ml
|
30965-25
|
1
|
|
Hydrogen peroxide, 30%, 250 ml
|
31710-25
|
1
|
|
Iodine potassium iodide solution
|
30094-10
|
1
|
|
Hydrochloric acid 10% 500 ml
|
31821-50
|
1
|
|
Glass tubes,right-angled, 10
|
36701-59
|
1
|
|
Sulphur, subl. 500 g
|
30216-50
|
1
|
|
Sodium sulphite cryst. 250 g
|
30167-25
|
1
|
|
Glass tube,right-angled, 10
|
36701-52
|
1
|
|
Spring plugs, 50 off
|
45530-00
|
1
|
|
Test tube rack, wood, for 6 tubes d= 30 mm
|
40569-10
|
1
|
|
Universal clamp
|
37715-00
|
1
|
|
Glass tubes,straight with tip, 10
|
36701-63
|
1
|
|
Tweezers,straight,blunt, 200 mm
|
40955-00
|
1
|
|
Pasteur pipettes, 250 pcs
|
36590-00
|
1
|
|
Safety gas tubing, DVGW, sold by metre
|
39281-10
|
3
|
|
Calcium chloride tube,str.150 mm
|
36941-00
|
1
|
|
Rubber tubing,vacuum,i.d.6mm
|
39286-00
|
1
|
|
Porcelain boats, 10 pcs
|
32471-03
|
1
|
|
Fixing bands,universal,100 pcs.
|
45535-00
|
1
|
|
Rubber caps, 10 pcs
|
39275-03
|
1
|
|
Folded filter,d 185mm, 25 pcs
|
32979-03
|
1
|
|
Glass beaker DURAN®, tall, 250 ml
|
36004-00
|
2
|
|
Funnel, glass, top dia. 80 mm
|
34459-00
|
1
|
|
Hose clamp for 10-17 mm diameter
|
40998-00
|
2
|
|
Spoon, special steel
|
33398-00
|
1
|
|
Lighter f.natural/liquified gases
|
38874-00
|
1
|
|
Pinchcock, width 10 mm
|
43631-10
|
1
|
|
Test tube,200x30 mm,DURAN
|
36304-01
|
4
|
|
Wash bottle, plastic, 500 ml
|
33931-00
|
1
|
|
Glass tube, right-angled
|
36701-07
|
1
|
|
Rubber tubing, i.d. 6 mm
|
39282-00
|
2
|
|
Glass rod,boro 3.3,l=300mm, d=7mm
|
40485-05
|
1
|
|
Rubber stopper, d = 22/17 mm, 1 hole
|
39255-01
|
2
|
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