carbon black cars

[bcrn]

Could carbon black cars, be reused, for something like hauling grain, or would their prior use rule that out?

[edwardsutorik]

I don't see how the prior use would be a problem. Carbon black is pretty neutral in small quantities in foods. I think.

Perhaps the unloading style for the carbon black cars would pose a problem for grain. But I wonder about something like flour or sugar. Hmmm...


Ed


Ed

[calzephyr]

May 17, 2012 19:26:09 GMT -8 bcrn said:

Could carbon black cars, be reused, for something like hauling grain, or would their prior use rule that out?

I don't know the regulations for the reuse of a car for this type of product, but it does not seem to be a great product to be using with any thing to do with food. Maybe someone will reference the regulations. The information below underlined is interesting.



Carbon black is a material produced by the incomplete combustion of heavy petroleum products such as FCC tar, coal tar, ethylene cracking tar, and a small amount from vegetable oil. Carbon black is a form of amorphous carbon that has a high surface-area-to-volume ratio, although its surface-area-to-volume ratio is low compared to that of activated carbon. It is dissimilar to soot in its much higher surface-area-to-volume ratio and significantly lower (negligible and non-bioavailable) PAH (polycyclic aromatic hydrocarbon) content. However, carbon black is widely used as a model compound for diesel soot for diesel oxidation experiments.[1] Carbon black is used as a pigment and reinforcement in rubber and plastic products.

The current International Agency for Research on Cancer (IARC) evaluation is that, "Carbon black is possibly carcinogenic to humans (Group 2B)". Short-term exposure to high concentrations of carbon black dust may produce discomfort to the upper respiratory tract, through mechanical irritation.

[nw611]

As far as I know, carbon black is the pigment that make black our cars' tires. It is a petroleum product. I would not mix it with grain. Ciao. Raffaele Galiano

[bcrn]

Thanks, for the help. I would'nt think so either, due to it's origin. Not like giving a cement car a quick once over, and then reload some corn in it.