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巴西提出回收烟头造纸
2017-09-03 08:20:52 中国青年网
据新华社巴西利亚电 在巴西不少城市的街头,有许多挂在路边、配有圆形小孔的绿色铁制烟头回收盒。吸烟者可以将烟头投入其中,回收的烟头被送往工厂处理用来造纸。这是巴西利亚大学提出的变废为宝环保新主张,正在全国逐步推广。
“烟头造纸”项目负责人、巴西利亚大学教授泰蕾兹·霍夫曼介绍,这一想法最早在2002年由艺术学院的一名学生提出,随后霍夫曼和这名学生调查了解到,全世界对烟头回收的先例并不多。两人经过几次试验,发现烟头里的有机成分和纸浆十分相似。
尽管用烟头“造出”的纸在色泽、手感等方面和工业生产的纸张有一定差距,但霍夫曼的团队已经用这些纸张做出了贺卡、请帖、纸盒、笔记本封皮等物品,还利用技术手段使纸张呈现出不同的色彩。
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