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Conversion of CO2 from Air into Methanol Using a Polyamine and a Homogeneous Ruthenium Catalyst

A highly efficient homogeneous catalyst system for the production of CH3OH from CO2 using pentaethylenehexamine and Ru-Macho-BH (1) at 125–165 °C in an ethereal solvent has been developed (initial turnover frequency = 70 h-1 at 145 °C). Ease of separation of CH3OH is demonstrated by simple distillation from the reaction mixture. The robustness of the catalytic system was shown by recycling the catalyst over five runs without significant loss of activity (turnover number > 2000). Various sources of CO2 can be used for this reaction including air, despite its low CO2 concentration (400 ppm). For the first time, we have demonstrated that CO2 captured from air can be directly converted to CH3OH in 79% yield using a homogeneous catalytic system.



J. Am. Chem. Soc., 2016, 138 (3), pp 778–781
DOI: 10.1021/jacs.5b12354

http://pubs.acs.org/doi/abs/10.1021/jacs.5b12354

中文报道(空气中二氧化碳可被直接转化成甲醇 转化率高达79%)链接:
http://www.wokeji.com/kbjh/zxbd_10031/201601/t20160130_2198974.shtml#rd?sukey=7f8f3cb2e9b0da451777887f88a1f9e49defbcf70bafe9bfe24b3fd20774138445b6a44b8380afa08f8bc060696a958f
发布日期:2016/02/01 发布者: 点击数: