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一下解决温室效应和白色污染两大难题,新光反应器技术引关注

2023-01-12 14:26:55来源:环保在线 阅读量:35834

导读:最近,剑桥大学公布了一则研究成果——一种新型的光反应器可以同时处理二氧化碳与塑料,并将其转化成有用的材料。据介绍,该反应装置仅需阳光作为能源,可在正常温度和压力条件下运行。
  即使不关注环保,你也一定会知道温室效应和白色污染,因为这堪称是二十一世纪最大的两个环境问题。世界气象组织最新版《温室气体公报》显示,温室气体二氧化碳、甲烷以及一氧化二氮在大气中含量居高不下,甚至还屡次创下新高,致使气候进一步恶化。同时,白色污染也随着河流、海洋四处飘散,在水体和土壤中不断积累。
 
  就在最近,剑桥大学公布了一则研究成果——一种新型的光反应器可以同时处理二氧化碳与塑料,并将其转化成有用的材料。据介绍,该反应装置仅需阳光作为能源,可在正常温度和压力条件下运行。
 
  研究团队表示,“一般来说,二氧化碳的转化需要大量的能量,但在我们的系统中,基本上你只需向它照射一束光,它就会开始将有害的产品转化为有用和可持续的东西。”而且,装置的生产效率要比使用其他太阳能催化剂的设备高出100倍。未来,还可以在此基础上进行开发,以生产更复杂的分子。
 
  如实验按照设想顺利完成,该套装置无疑将为全球温室气体、塑料问题的解决提供新的思路。
 
  而作为人口、资源消耗大国,针对温室气体减排,我国战略性地提出了“双碳”的目标;针对白色污染,我国正大力推进“以竹代塑”。
 
  “2030年实现碳达峰、2060年实现碳中和”目标明确之后,恰逢“十四五”新开局,《关于完整准确全面贯彻新发展理念做好碳达峰碳中和工作的意见》《2030年前碳达峰行动方案》等顶层设计文件相继出台。为此,我国建成了目前全国规模最大的碳现货市场。截至2022年底,实现逾2.29亿元的碳排放配额总成交量,累计成交金额突破100亿元。
 
  “以竹代塑”计划在2022年反复被提及,首个“以竹代塑”类产品国际ISO标准——《ISO/NP 16830:Bamboo drinking straws(竹饮用吸管)》也已出台。在从源头减少塑料使用、促进绿色低碳发展方面,竹子被赋予了重大使命。目前,我国作为世界上竹资源最丰富的国家,政策层面鼓励积极发展竹材产业,竹子循环产业链已形成10个领域近万种产品。
 
  这其中,创新性技术、产品频出,研究院也不断在寻求突破,试图捕获二氧化碳或塑料废物。无论如何,为了生存及可持续发展,这两大环境问题的解决刻不容缓。

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