What Is Silicotungstic Acid Catalyst?

The composition is H8[Si(W2O7)6], which is an inorganic polymer complex. It can be used as a catalyst for the liquid-phase hydration of propylene to produce isopropanol. When used, the catalyst concentration is generally 1×10-3mol/L aqueous solution, and the pH value of the solution is generally 2.5-3.5. The single-pass conversion rate of propylene to isopropanol is 67% to 70%. This catalyst has not yet been commercialized.

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