[Bioconversion] Fireball Express!

[Thomas Reed]

Dear AJH and ALL:

The process is called "Thermite".  But "Kermit" is close...  I used to 
work for Linde, the company that invented "ribbon rail".

TOM REED

AJH wrote:
> On Sat, 28 Oct 2006 14:45:53 -0400, Jeff Davis wrote:
>   
>> On Saturday 28 October 2006 03:44 am, you wrote:
>>     
>>> Jeff,
>>> There is a process, I forget what it is called, which uses powdered
>>> aluminium & steel to weld joints in rail track.
>>> Pack it into a mould around the joint and ignite it, job done.
>>> Ken
>>>       
>> Is it called something like "kermit welding"?
>>
>>     
>
> Thermite welding. A local track repair man recently used a pile of it
> to melt its way down through a speeding camera ;-).
>
> Basically the iron oxide is mixed with aluminium powder and then
> fired, the oxygen from the iron oxide reacts with the aluminium
> producing a lot of heat, this melts the iron which is heavy and flows
> down into the weld former. They are very careful to keep everything
> dry as any water in the weld dissociates and hydrogen.
>
> Thermal lances use a similar technique to cut through mixed materials,
> basically form a tube and fill it with steel wire, connect an oxygen
> supply to one end and light the other, the hot gases that come out
> melt through concrete and stainless steel I'm told.
>
> AJH
>
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