[TriLUG] OT - need a good local place to shred a lot of documentsin Durham

Jim Ray jim at neuse.net
Wed Aug 8 17:10:34 EDT 2012


I use my Sears shop vac exhaust port for forcing air when I have a
burning and got rid of a tree stump that way.


-----Original Message-----
From: trilug-bounces at trilug.org [mailto:trilug-bounces at trilug.org] On
Behalf Of Peter Neilson
Sent: Wednesday, August 08, 2012 5:08 PM
To: Triangle Linux Users Group General Discussion
Subject: Re: [TriLUG] OT - need a good local place to shred a lot of
documentsin Durham

On Wed, 08 Aug 2012 16:43:30 -0400, Lance A. Brown
<lance at bearcircle.net>
wrote:

> On 08/08/12 16:38, Joseph Mack NA3T wrote:
>> On Wed, 8 Aug 2012, Chris Merrill wrote:
>>
>>> Coursely shredded paper, OTOH, burns very well, thanks to the high 
>>> oxygen-to-paper content :>
>>
>> I've only burned piles of newspapers and scratch paper by the cubic 
>> foot and it's all been densely packed.
>>
>> Does the coarsely shredded paper not smell when it burns?

The key to proper and complete combustion is a forced supply of air.
This is best accomplished by putting holes in the bottom or lower sides
of the barrel. No one does it that way, though. They either put in no
holes at all, expecting the O2 to climb all the way down into the
barrel, displacing the CO2, or else they perforate the barrel with a
great number of holes, making the updraught ineffective.

If the fuel is tightly packed, then either it will take longer to burn,
of the combustion will be less complete. this is where stirring or prior
shredding may help.

Incomplete combustion forms smelly longer-chain residuals, but complete
combustion leaves only the potassium and other minority elements after
the
CO2 and the H2O are gone.

This is elementary chemical engineering, folks, and can be understood by
anyone who takes the trouble to memorize the periodic table.
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