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Re: How to supress Pyrophoresis - steaming iron



On Tue, 09 Sep 2003 16:40:20 GMT, "hanson" <[EMAIL PROTECTED]> wrote:

>Now that the professionals in sci.chem, and sci.environment.waste
>weren't able to furnish neither clever answers nor solutions, let me
>repost it with the real, the dedicated to the core specialists, the
>environmentalists: 
>
>Machining (turning, shaping, grinding, etc) of steel parts generates
>iron wastes (chips, spirals, fines) containing small amounts of lubes
>as mineral oils, glycols and fatty acid amid/amines and water. 
>This iron waste is drained to form sludge cakes that are accumulated
>in a wet condition in huge piles in open transporter bins (30x12x5 ft). 
>When full, the stuff is hauled to the steel manufacturers for recycling. 
>
>In all too many cases whenever the stuff is laying there for some 
>weeks it gets so hot that steam and stink begins to rise from the pile. 
>Clearly it's the reaction of the steel with the water.
>
>Question: what can be done to prevent this nasty steam occurrence?
>Out of the question are: Drying, Watering, Covering or Diluting with sand.
>Any ideas anybody?


seems to be a bacterial sludge generating heat.
and the stink


Try bleach/Chlorine



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