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以前曾见收废品者收购牙膏皮,在参观一些工厂时也见到他们将大量牙膏皮、易拉罐和其他回收铝一起入炉熔化铸锭,一些报纸上不止一次地看到呼吁回收牙膏皮(包括鞋油皮)的文章。本人对此也颇感兴趣,早想建议某些乡镇企业承担此项工作,为社会回收一些有用物资。但是通过多次试验发现:牙膏皮的回收并不经济,建议从事此项工作的单位放弃这一做法,其理由是: 一、小号牙膏皮每个重7～8克,中号的11～12克,除去残留牙膏的小号牙膏皮只
Toothpaste barks have previously been seen from wastewashing traders and when seen in some factories, they have also seen a large number of toothpaste hides, cans and other recycled aluminum being melted into ingots. Some newspapers have repeatedly called for the recycling of toothpaste briquets Shoe oil skin) article. I am also quite interested in this. I have long wanted to suggest that some township and village enterprises should undertake this work and recycle some useful materials for the community. However, many tests found that: the recovery of toothpaste skin is not economical, it is recommended that units engaged in this work to give up this approach, the reasons are: First, the small toothpaste skin each weighing 7 to 8 grams, medium 11 ~ 12 grams, remove the residual toothpaste trumpet toothpaste skin only