研究了利用彩印漂定废液回收废感光胶片中银的方法。
A method to recover silver from waste photographic film with waste fixing bath was studied.
本发明为一种退锡废液里锡的回收方法。
The invention relates to a recovery method of tin in tin-stripping waste liquid.
本文研究了马铃薯淀粉生产废液、废渣的两种回收利用途径。
Two methods of potato starchy processing waste were tried in this paper.
本文研究了马铃薯淀粉生产废液、废渣的两种回收利用途径。
Two methods of potato starchy processing waste were tried in this paper.
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