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二氧化碳

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研究:微波加热技术 将二氧化碳“变废为宝”

(东京17日综合电)日本东京大学和名古屋大学等联合研究发现,他们使用微波加热技术将能量集中于单个原子加热,成功以高能量转化效率将变成有用化合物。这项成果有助于减排。

《新华社》报导,日本研究人员联合发布新闻公报说,目前常用的化学反应加热方法是用火或热水从周围加热整个容器。但实际上多数情况下,化学反应的发生区域特别小,通常发生在特定的几个原子、几个分子范围,常用的加热方法把热能分散到整个化学反应容器,能量使用效率不高。

研究团队以微波炉加热食物的原理为切入点,通过改进并设计新型催化剂,寻找可将能量精准送达化学反应发生区域的方法。研究人员经过变换催化剂中金属离子的种类发现,一种中心为一价铟离子的菱沸石加热效率最高,有望作为沸石催化剂使用。

由于人类活动或自然形成的温室气体排放会造成温室效应,使全球气温上升。(示意图)



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