韩国忠清南道大学金属凝固新材料研究中心的千炳善教授及其领导的研究小组,历时一年,耗资1.3亿韩元,开发出用废易拉罐制作吸音板的技术。这种用废易拉罐制作吸音板的技术,可分为三道工序:首先,将截断的废易拉罐,用电热炉在500℃的温度进行分解,除去涂料和其它异物,然后,将得到的铝, Professor Chien Byeong-sung and his team led by Chungnam Research Institute of Solidification of New Materials in Chungcheongnam-do University of South Korea spent a year at a cost of 130 million won to develop a sound-absorbing panel technology using scrap cans. The use of waste cans for the production of sound-absorbing panels technology can be divided into three processes: First, the cut-off waste cans, with electric furnace at 500 ℃ temperature decomposition to remove paint and other foreign matter, and then, the resulting aluminum,