Elemente si combinatii chimice

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H 2
On another hand, a large quantity of hydrogen is used in
the alimentary industry for hydrogenation of vegetable oils
(they have a isolated double bond in a saturated chain, R,
from a fatty acid (R-COOH):
+ …-CH2-CH= CH-CH2-…→…-CH2-CH2 –CH2-CH2-··· The process is a reduction too. Due to this treatment the
oils (liquid fats), containing double bonds, become solid
fats (margarine) due to the fact that din cauza faptului că,
embedding better, the interactions between chains are
stronger
Hydrogen is used in the industry practice due to the
catalytic hydrogenation reactions; one important is
hydrogenation of nitrogen, carbon oxide and natural oils:
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nitrogen (Haber procedure);
Carbon oxide: CO + 2H2 → CH3OH (methanol);
Unsaturated oils to saturated ones for margarine.
All below mentioned reactions are with catalysts and using
energetic conditions.