Carbon - Carbondioxideasbuildingblock...

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Carbon dioxide as building block  Carbon dioxide as building block  for for organic molecules organic molecules 1 Saurabh Das Final Year B. Chem. Engg. I.C.T, Mumbai-400019 Guide: Professor Anand V. Patwardhan
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Why use carbon dioxide? Why use carbon dioxide? 2 CO 2 is the cheapest C 1 -compound CO 2 is non-poisonous CO 2 is abundantly available CO 2 → new kinds of materials Use of CO 2 may reduce the amount of CO 2 entering the atmosphere
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CO 2 is a relatively inert molecule Reactions usually energetically unfavorable H > 0 G > 0 H - Heat of Reaction G - Free Energy of Reaction Hydrogenation reactions usually thermodynamically ‘favorable’ Problem is the expensive hydrogen 3
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Uses-Chemical Manufacturing Uses-Chemical Manufacturing Organic Chemicals: Methanol Salicylic acid Organic Carbonates Urethanes Isocyanates Acetic acid Formic Acid Formaldehyde Telomers Inorganic Chemicals Urea Inorganic carbonates 4
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Methanol production Methanol production 5
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Methanol Production Methanol Production Advantage of double bed over single bed Temperature profile Catalyst deactivation 6 (Rahimpour,2008)
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Salicylic acid Salicylic acid OH NaOH -H 2 O OH COONa OH COONa ONa CO 2 7 Pathway to follow ?
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Carbon - Carbondioxideasbuildingblock...

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