Don't forget the cave camp sleeping bag desiccant market.
________________________________
From: [email protected] [mailto:[email protected]] On Behalf Of Gary
Moss
Sent: Friday, August 24, 2012 1:55 PM
To: Mark Minton; [email protected]; [email protected]
Subject: Re: [SWR] [Texascavers] Re: Cave articles in Spiegel (German weekly)
Hi Mark:
I think Carbide is still used in the production of steel. Some friends of mine
once to a steel plant thinking they could get the empty 100 lb cans. They just
through the carbide in the mix can and all. It appears the steel can did not
hurt the steel :)
Gary Moss
At 10:47 PM 8/23/2012, Mark Minton wrote:
I agree. Calcium carbide is mainly used for production of acetylene
for welding where it is not available in tanks. In the West that is
increasingly rare. My guess is that carbide will soon cease to be available at
reasonable cost. (It is already hazardous cargo.)
Mark
At 10:07 PM 8/23/2012, DONALD G. DAVIS wrote:
>Mark,
>You'd be the best to answer this, wasn't calcium carbide a byproduct of
something else, and used to produce commercial acetylene gas quantities? What
is the current practice to get the gas?
>john Lyles
No, calcium carbide was never a byproduct. It was, from the late
1800s, and still is, produced by reacting calcium carbonate and coke in
electric furnaces. Its major use is still for making acetylene, but where
petroleum and natural gas are plentiful, most acetylene today is derived
from those instead. The Wikipedia article "calcium carbide" explains it.
--Donald
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