| Testing of sulphur for
quality. |
| purification of sulphur
by melting & decantation. |
| burning of sulphur to
form sulphur DI oxide. |
| Cooling of SO2 &
generation of steam. |
| Filtration of gases for
dust. |
| Conversion of SO2 to SO3
in converter in presence of V2O5 catalyst. |
| Cooling of reacted gases.
|
| Absorption of SO3 in
H2SO4. |
| Heating of remainder
gases |
| Conversion of SO2 to SO3
in converter in presence of V2O5 catalyst. |
| Absorption of SO3 in
H2SO4. |
| Cooling and diluting
H2SO4 to 98.5%. |
| Transfer of product in
product tank. |