Propylene Oxidation Method of Oxalic Acid
This oxidation process is divided into two steps: oxidizing propylene with nitric acid to convert it into α-nitro lactic acid, and then further catalytic oxidation to obtain oxalic acid. The propylene oxidation method produces industrial-grade oxalic acid dihydrate, with a total yield of over 90% based on propylene. Although this method has a high yield, attention should be paid to preventing explosion during the production process, especially during the high-temperature oxidation process.

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