【摘要】 利用二氧化碳合成有机物,开发CO2利用技术,不仅可节约石油、天然气和煤等化石资源,而且变废为宝,减少了CO2造成的环境污染,具有明显的经济效益和环境效益。综述了利用电化学法、光电化学法、光催化法和生物法等把二氧化碳转化为有机化工产品的工艺过程和技术进展。分析比较了各种方法的工艺特点和优缺点。指出光催化还原二氧化碳的方法不仅可以利用丰富、廉价的太阳能资源,而且光催化还原还具有节能、无污染和反应条件缓和等特点,是一种具有开发前景的工艺路线。更多还原

【Abstract】 The synthesis of organic compounds by carbon dioxide and the development of CO2 utilization technology can not only save oil,natural gas and coal and other fossil resources,but also turn the wasts to treasure by reducing environmental pollution of CO2,which has obvious economic and environmental benefits.This paper summarized electrochemical,photoelectrochemical,photocatalytic and biological methods such as technical progress of carbon dioxide synthesizing organic compounds.Analysis and comparison was conducted on the process characteristics and the advantages and disadvantages of various methods.This method of photocatalytic reduction of carbon dioxide can not only utilize rich,low-cost solar energy resources,but photocatalytic reduction is energy saving and pollution-free with mild reaction conditions etc., and therefore it is a promising process route.更多还原