| 摘要 |
<p>A method of recovering individual material components such as metal, plastic and, where applicable, paper or cardboard, from waste of laminated packaging material comprising layers of metal, plastic and possibly paper or cardboard. The layers of metal and plastic are separated from each other and from the possibly present paper or cardboard layer by treating the waste with an organic acid or a mixture of organic acids selected from among formic acid, acetic acid, propanoic acid, butyric acid and similar volatile organic acids, preferably acetic acid alone.</p> |
