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Process Conditions (Sulphuric Acid - The contact Process (Burn sulphur and…
Process Conditions
Sulphuric Acid - The contact Process
Burn
sulphur
and
air
to form
Sulphur Dioxide
:warning:
Vanadium (v) Oxide
catalyst :red_flag:
450C
2 atm
Sulphur Dioxide undergoes
contact process
Sulphur Trioxide
dissolved in sulphuric acid to form
oleum
Oleum
reacts with water to form
Sulphuric Acid
Haber Process
200 atm
450C
Iron
catalyst :red_flag:
Nitrogen
from
air
:warning:
Hydrogen
from
Cracking of hydrocarbons
:warning:
N2 + 3H2 = 2NH3
Preparation of Oxygen
Hydrogen Peroxide
:warning:
Catalyst of
Manganese Dioxide
:red_flag:
Collection:
Over water
or
gas syringe
Cracking
Silica or Aluminium oxide
catalyst :red_flag:
600-700C
Long chain hydrocarbons
:warning:
Nitric Acid
Ammonia
and
air
:warning:
Platinum/Rhodium Gauze
catalyst :red_flag:
850C
Preparation of Carbon Dioxide
Calcium Carbonate
and
hydrochloric acid
:warning:
Collection:
Over water
or
downwards delivery
Manufacture of Ethanol
Direct hydration of Ethene
Ethene
and
steam
:warning:
Phosphoric acid
catalyst :red_flag:
300C
60-70 atm
Fermentation
30-40C
Absense of air
Sugar water
and
yeast
:warning:
Dehydration of Ethanol
Ethanol vapour
:warning:
Hot aluminium oxide
catalyst :red_flag: