Smokeless fuel for roomheaters

Fuels for open fires

Smokeless

Non-smokeless

Ash content,

dry (%)

5.2 -10.0

4.0-6.5

5.0-6.5

Volatile matter,

dry, (%)

5.0-11.0

11.0-15.0

35.0-52.0

Total sulphur,

dry, (%)

0.8-1.7

0.8-1.8

0.4-1.8

Calorific value, gross, dry (kj/kg)

31,500 -33,000

32,500 - 33,250

21,260 - 31,000

Banking duration (hours)

greater than 18 hrs

7-9 hrs

5-7 hrs