Catalyst and process for oxidation of SO2 to SO3, process to produce a catalyst for oxidation of SO2 to SO3

摘要

Catalyst and process for oxidation of so ~ 2 ~ so ~ 3 ~, process to produce a catalyst for the oxidation of so ~ 2 ~ so ~ 3 ~. It is described a catalyst for the oxidation of so ~ 2 ~ so ~ 3 ~, a process for producing it and its use in a process for the oxidation of so ~ 2 ~ so ~ 3 ~.The catalyst comprises active ingredient comprising vanadium compounds, alkali metal and sulfate applied to a support comprising lands of diatoms that occur naturally.In the support comprises at least one not calcined diatomaceous earth which occurs naturally in soft which has a percentage of reduction of at least 35% in its value (d ~ 50 ~ determined in a determination of particle size in accordance with the method to dry compared The mu00e9todoa humid.