使用现场生成的H2O2的高效催化氧化物生产
Richard J Lewis1, Kenji Ueura2, Xi Liu3,4
1Max Planck-Cardiff Centre on the Fundamentals of Heterogeneous Catalysis FUNCAT, Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.
本研究介绍了使用金 (AuPd) 纳米粒子和TS-1催化剂在现场产生过氧化 (H2O2) 的方法. 这项创新提高了生产尼龙-6的环松氧胺的安全性和效率.
科学领域:
- 催化剂
- 绿色化学
- 材料科学
背景情况:
- 环松氧胺是生产尼龙-6的关键中间体.
- 目前的工业过程依赖于预制过氧化 (H2O2),造成运输和储存风险.
- 酸-1 (TS-1) 是一种已知的基于H2O2的氧化催化剂.
研究的目的:
- 开发一种更安全,更有效的环素氧化物生产方法.
- 调查在现场生成的过氧化 (H2O2) 用于氧化反应.
- 探索使用支持的金合金纳米粒子 (AuPd) 与TS-1.
主要方法:
- 使用支持的金合金纳米粒子 (AuPd).
- 使用酸盐-1 (TS-1) 作为催化剂.
- 在循环和其它子的激活过程中在现场产生过氧化 (H2O2).
主要成果:
- 在循环松氧化物生产中达到>95%的选择性.
- 证明了各种简单的子的成功氧化.
- 验证了与现有工业路线相匹配的现场H2O2生产系统.
结论:
- 在现场开发的H2O2生成方法为处理预制H2O2提供了更安全的替代方案.
- 这种方法具有显著的环境和经济效益.
- 该方法可以适应其他需要H2O2和TS-1催化物的化学转化,从而实现过程强化.
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相关概念视频
Preparation of Aldehydes and Ketones from Alcohols, Alkenes, and Alkynes
Oxidation of Alkenes: Syn Dihydroxylation with Osmium Tetraoxide
Oxidative Cleavage of Alkenes: Ozonolysis
Ozone is a symmetrical bent molecule stabilized by a resonance structure.
Alkynes to Aldehydes and Ketones: Hydroboration-Oxidation
One of the convenient methods for the preparation of aldehydes and ketones is via hydration of alkynes. Hydroboration-oxidation of alkynes is an indirect hydration reaction in which an alkyne is treated with borane followed by oxidation with alkaline peroxide to form an enol that rapidly converts into an aldehyde or a ketone. Terminal alkynes form aldehydes, whereas internal alkynes give ketones as the final product.
Oxidation of Alkenes: Anti Dihydroxylation with Peroxy Acids
Oxidation of Alcohols
The process of oxidation in a chemical reaction is observed in any of the three forms:
