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烟头做建材 既可铺路又环保
2017-08-13 06:12:14 中国青年网
据新华社电 澳大利亚皇家墨尔本理工大学7日发表新闻公报说,该校研究人员发明了一种方法,可将烟蒂做成建材来铺路,避免烟蒂中的有毒化学物质污染环境。
研究人员介绍,全球每年产生超过120万吨烟蒂,这些烟蒂大多被丢弃在环境中,造成污染。于是,他们尝试用沥青和石蜡封住烟蒂,防止有毒化学物质泄漏,而这些被封住的烟蒂可作为新型建材应用在不同领域。
研究人员发现,用“烟蒂建材”修建的道路,不仅能够承受繁忙交通带来的压力,还可降低路面导热性,防止城市地区快速升温,减轻城市热岛效应。
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