Ketone catalyst fabricated by dehydrogenating alcohol, and preparation method
A catalyst and dehydrogenation technology, applied in the direction of catalyst activation/preparation, chemical instruments and methods, oxidation to prepare carbonyl compounds, etc., to achieve the effect of simple preparation process, high catalyst selectivity, and less by-product formation
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0033] I. Catalyst preparation
[0034] Weigh 261.4g of analytically pure copper nitrate, 314.4g of zinc nitrate dissolved in 1500g deionized water to make a metal salt mixture, dissolve 238g of sodium carbonate in 2100g of deionized water as a precipitant, and weigh industrial grade aluminum hydroxide monohydrate 53.8g of powder was used as a binder, and 2.2g of potassium carbonate was dissolved in 66g of deionized water as an alkali metal solution.
[0035] Add the above-mentioned alkaline precipitant into a 5-liter three-necked flask, heat it to 70°C in an electric heating pot, add the above-mentioned metal salt mixture dropwise while stirring, keep the neutralization reaction temperature at 70±5°C, and control the dripping flow rate, about The dropwise addition was completed in 1 hour. In addition, 10% sodium carbonate solution is used to adjust the pH value at the end of the neutralization reaction, so that the pH value is between 7.0-7.5. After the co-precipitation and...
Embodiment 2
[0040] Weigh 182.3g of analytically pure copper nitrate and 73.1g of zinc nitrate and dissolve them in 700g of deionized water to make a metal salt mixture, and dissolve 111.4g of sodium carbonate in 1000g of deionized water as a precipitating agent, also known as 38.5g of industrial grade hydrogen monohydrate Aluminum oxide powder was used as a binder, and 2.2 g of potassium carbonate was dissolved in 66 g of deionized water to make an alkali metal solution.
[0041] The preparation process was the same as in Example 1 to obtain 50 g of finished catalyst B. The weight percent composition of catalyst B is copper oxide 56%, zinc oxide 19%, aluminum oxide 19%, potassium oxide 3%, and the balance is graphite.
[0042] The dehydrogenation reaction was carried out in the same manner as in Example 1, and the reaction result was: when the conversion rate of sec-butanol was 80.5%, the selectivity of generating methyl ethyl ketone was 96.2%.
Embodiment 3
[0044] Weigh 182.3 g of analytically pure copper nitrate, 36.5 g of zinc nitrate, and 26.3 g of chromium nitrate and dissolve them in 700 g of deionized water to make a metal salt mixture. Dissolve 97.7 g of sodium carbonate in 900 g of deionized water as a precipitant. 48.1 grams of industrial aluminum hydroxide monohydrate powder are used as bonding agent, and 2.2 grams of potassium carbonate are dissolved in 66 grams of deionized water to make alkali metal solution.
[0045] The preparation process was the same as in Example 1 to obtain 50 grams of finished catalyst C. The weight percent composition of the catalyst C is 56% of copper oxide, 9.5% of zinc oxide, 5% of chromium oxide, 23.5% of aluminum oxide, 3% of potassium oxide, and the rest is graphite.
[0046] The dehydrogenation reaction was carried out in the same manner as in Example 1, and the reaction result was: when the conversion rate of sec-butanol was 81.2%, the selectivity of generating methyl ethyl ketone was...
PUM
| Property | Measurement | Unit |
|---|---|---|
| water absorption | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to view more - R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap