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#1
30th September 2008, 05:25 AM
 Justice123 Inactive Registered Visitor   Registration Date: Sep 2008 Posts: 1 Thanks Given to Others: 0 Thanked 0 Times in 0 Posts Karma Power: 25 Karma: 10
Energy produced by 1kg of burning charcoal

How many litres of diesel can produce energy equivalent to energy produced by 1 kg of burning charcoal (charcoal is from wood)

#2
30th September 2008, 05:32 AM
 harry Super Moderator   Registration Date: Sep 2005 Location: Johore/Malaysia Posts: 6,277 Thanks Given to Others: 1,501 Thanked 2,978 Times in 2,066 Posts Blog Entries: 2 Karma Power: 701 Karma: 18830
Re: Energy produced by 1kg of burning charcoal

From what I know, charcoal made from different types of wood produces different amount of energy. In our region, certain species of mangrove wood are best. There must be an average figure somewhere -

Look at the sixth item in the table and do your maths from there.

Also: http://bioenergy.ornl.gov/papers/misc/energy_conv.html

Last edited by harry; 30th September 2008 at 05:45 AM. Reason: Add link
#3
30th September 2008, 04:00 PM
 Randy Moderator   Registration Date: Jun 1999 Location: Greenwood (Ft Smith area), Arkansas, USA Age: 63 Posts: 8,231 Thanks Given to Others: 48 Thanked 2,697 Times in 1,657 Posts Karma Power: 925 Karma: 20067
Re: Energy produced by 1kg of burning charcoal

Try looking here...... http://www.unitconversion.org

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#4
30th September 2008, 08:31 PM
 Tim Folkerts Super Moderator   Registration Date: Sep 2003 Location: Kansas, USA Age: 51 Posts: 975 Thanks Given to Others: 29 Thanked 366 Times in 218 Posts Karma Power: 153 Karma: 5879
Re: Energy produced by 1kg of burning charcoal

charcoal 29.0 MJ/kg
diesel 45.3 MJ/kg
(from http://hypertextbook.com/physics/mat...ergy-chemical/)
("energy density" is a good search term here)

So diesel fuel provides about 1.5 times as much energy per kg.

Also, diesel has a density of 0.85 kg/l. Combining this gives

1 kg charcoal
= 29.0 MJ
= (29/45.3) = 0.65 kg of diesel
= 0.65kg / 0.85kg/l = 0.77 liters of diesel

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