Replies

2 posted on 09/26/2007 12:36:51 PM PDT by Red Badger (ALL that CARBON in ALL that oil & coal was once in the atmosphere. We're just putting it back!)

They are overly obsessed with carbon dioxide. It sounds interesting, buy the amount of energy it takes to produce the hydrogen is probably more than the energy you would get from the hydrogen.

But, do you think we could just burn the fuel source from which the hydrogen came. OH NO! Can’t do thet, that would create evil carbon dioxide.

4 posted on 09/26/2007 12:48:34 PM PDT by chaos_5 (... I'm just another angry white male ...)

With heat processing, calcium carbonate becomes calcium oxide, which will then absorb any acidic gas, such as carbon dioxide.

When the calcium carbonate is calcined it releases CO2.

CaCO3 + heat -> CaO + CO2

So while they have an activated lime that is a good CO2 scavenger for the reaction, this "green" process has its own carbon footprint.

Net CO2 is not impacted at all! So, it comes from eggshells. It does not matter if it is clamshells, eggshells, limestone, or whatever.

"Lime Production:

Like cement production, the industrial lime production results in carbon dioxide emission when limestone is heated up.

As well as straightforward 'quicklime' production, a second type of lime called 'dolomitic' quick lime is also produced using a mixture of limestone and magnesium carbonate.

Quicklime production is thought to result in about 800kg of carbon dioxide per tonne, while dolomitic quicklime produces slightly more at about 900kg per tonne."

7 posted on 09/26/2007 1:08:37 PM PDT by Gorzaloon (Food imported from China = "Cesspool + Flavor-Straw")

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