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简介：揭秘了地沟油的来龙去脉。研究表明地沟油中含有大量的致癌物质，且会对水体造成严重污染，不能为人们食用。但是经过净化处理的地沟油被送到工厂进行油脂检测，接着再转化为生物柴油。人人喊打的地沟油与再生的生物柴油之间有着密切的联系，是循环利用的好材料。收起
解密生物柴油 绿色空间 20110501
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