Jewelry Design Morning Dew Regenerated Ring by Xiangzhi Zhao Morning Dew was made with concentrating on the materials with method of recovering valuable metals to prepare regenerated gold and silver as materials. The preparation method is an simple method to use an amine containing porous material to adsorb chosen metal ions, and also to reuse of the treatment liquid in the treatment process. Finally to recover valuable metals, it is important to choose more environmentally friendly methods.