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3 results about "Isobutanol" patented technology

Isobutanol (IUPAC nomenclature: 2-methylpropan-1-ol) is an organic compound with the formula (CH₃)₂CHCH₂OH (sometimes represented as i-BuOH). This colorless, flammable liquid with a characteristic smell is mainly used as a solvent either directly or as its esters. Its isomers, the other butanols, include n-butanol, 2-butanol, and tert-butanol, all of which are important industrially.

Vanadium phosphorus oxygen catalyst for preparing acrylic acid and acetic acid by oxidation of propane and preparation method thereof

The VPO catalyst is prepared with V2O2 and phosphoric acid in mixed isobutanol-benzyl alcohol solvent, and has polyglycol as dispersant. It has P / V atom rati of 1.1, specific surface area as high as 70-78 sq m / g and main material phase of vanadyl pyrophosphate. It is used the catalyst for oxidizing propane with air to preparing acrylic acid and acetic acid, and has single pass converting rate at the reaction temperature range of 380-400 deg.c of 37-72 % typically, acrylic acid selectivity of 5-35 % and total acrylic acid and acetic acid selectivity of 19-83 %. Under proper reaction condition, it has the propane converting rate of 40.3 %, acrylic acid selectivity of 33.8 %, acetic acid selectivity of 49.4 %, acrylic acid yield of 13.6 %, total acrylic acid and acetic acid yield of 33.5 % and space-time yield obviously higher than that with available similar catalyst. The preparation process of the catalyst is also disclosed.
Owner:NANJING UNIV
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