Glenn Posted November 11, 2013 Share Posted November 11, 2013 Approximate Heating Value of Common Fuels Natural Gas 1,030 Btu/cu ft 100,000 Btu/therm Propane 2,500 Btu/cu ft 92,500 Btu/gal Methane 1,000 Btu/cu ft Landfill gas 500 Btu/cu ft Butane 3,200 Btu/cu ft 130,000 Btu/gal Methanol 57,000 Btu/gal Ethanol 76,000 Btu/gal Fuel Oil Kerosene 135,000 Btu/gal #2 138,500 Btu/gal #4 145,000 Btu/gal #6 153,000 Btu/gal Waste oil 125,000 Btu/gal Biodiesel – Waste vegetable oil 120,000 Btu/gal Gasoline 125,000 Btu/gal Wood Softwood 2-3,000 lb/cord 10–15,000,000 Btu/cord Hardwood 4-5,000 lb/cord 18–24,000,000 Btu/cord Sawdust – green 10-13 lb/cu ft 8-10,000,000 Btu/ton Sawdust – kiln dry 8-10 lb/cu ft 14-18,000,000 Btu/ton Chips – 45% moisture 10-30 lb/cu ft 7,600,000 Btu/ton Hogged 10-30 lb/cu ft 16-20,000,000 Btu/ton Bark 10-20 lb/cu ft 9-10,500,000 Btu/ton Wood pellets – 10% moisture 40-50 lb/cu ft 16,000,000 Btu/ton Hard Coal (anthracite) 13,000 Btu/lb 26,000,000 Btu/ton Soft Coal (bituminous) 12,000 Btu/lb 24,000,000 Btu/ton Rubber – pelletized 16,000 Btu/lb 32-34,000,000 Btu/ton Plastic 18-20,000 Btu/lb Corn – shelled 7,800-8,500 Btu/lb 15-17,000,000 Btu/ton cobs 8,000-8,300 Btu/lb 16-17,000,000 Btu/ton Electricity 3412 Btu/kilowatt hour Prepared by: John W. Bartok, Jr., Agricultural Engineer University of Connecticut, Storrs CT 06269-4087 December 2004 ---------------------- Anthracite Coal 25,000,000 BTU's per Ton or 12,500 BTU's per Pound #2 Heating Oil 180 Gallons equals 1 Ton Anthracite Coal Natural Gas 26,080 Cubic Feet equals 1 Ton Anthracite Coal (1035 BTU'S equals One Cubic Ft.) Electric 7325 Kilowatts equals 1 Ton Anthracite Coal Propane Gas 298 Gallons equals 1 Ton Anthracite Coal Wood Pellets 13,500,000 BTU's per Ton 46% less than Anthracite Coal --------------------- Just some numbers to play with. (grin) Quote Link to comment Share on other sites More sharing options...
ianinsa Posted November 12, 2013 Share Posted November 12, 2013 Thanks for that, real interesting! The btu. Value on the rubber is a surprise? Now someone just has to figure out how to make a new forge that can burn an old Firestone(grin, pun intended) smoklessly ! This could be brilliant for the environment......... Just make sure you get it to the patent office real quick. :) Ian Quote Link to comment Share on other sites More sharing options...
Glenn Posted November 12, 2013 Author Share Posted November 12, 2013 Actually the rubber dust they create when grinding the old tread off a tire in preparation for recapping can be used as a heating fuel in a pot belly stove. Smokes like crazy until the top surface chars then is then mostly smoke free. After the initial loading to the stove, the remainder can be added a shovel full at a time with much less smoke. I am not sure you could do that today with much stricter laws and nosy neighbors. Quote Link to comment Share on other sites More sharing options...
DSW Posted November 12, 2013 Share Posted November 12, 2013 This could be brilliant for the environment......... Just make sure you get it to the patent office real quick. :) I remember years ago there was a company in the US that was going to "recycle" old tires as the heat source for processing Portland cement. They planed to grind up the tires and use them as the fuel to fire the big kiln to cook the limestone. After the EPA changed the regs it made it just about impossible to do it any longer in the US and the company moved its plant out of the US. Quote Link to comment Share on other sites More sharing options...
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