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Q.

Can coal be produced as a product and not from the mines ? what is excat difficulty in such production ?

Tags: money, science, advertising & marketing
Asked by vilas manohar deshpande, 26 May '10 08:00 am
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Answers (2)

 
1.

No.It comes from the coal mines only and from the black or brownish-black sedimentary rock .
There is no artificial or substitute for coal in any of the local manufacturing way!!!
Answered by gkr, 26 May '10 10:20 am

 
  
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2.

From combustion of fossil fuels and wood;
As a by-product of hydrogen production plants, where methane is converted to CO2;
As a by-product of fermentation of sugar in the brewing of beer, whisky and other alcoholic beverages;
From thermal decomposition of limestone, CaCO3, in the manufacture of lime, CaO;
As a by-product of sodium phosphate manufacture;
Directly from natural carbon dioxide springs, where it is produced by the action of acidified water on limestone or dolomite.
Answered by Pardeep kapoor, 26 May '10 08:07 am

 
  
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