Metal Recovery and Dechlorination of an Evaporation Tape by Means of Mechanochemical Treatment

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN

Qiwu Zhang¹  Yasumitsu Tanaka²  Fumio Saito¹ 

[1] Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University;RMC, MSNC, Sony Corp., Sony Sendai Technology Center

关键词: Evaporation Tape;    Mechanochemical;    Cobalt Recovery;    Dechlorination;    Recycling;   

DOI  :  10.1252/jcej.38.74

来源: Maruzen Company Ltd

【 摘 要 】

References(27)Cited-By(3)A mechanochemical method was used to treat a used evaporation tape, aiming at recovering the contained cobalt (Co) metal and achieving dechlorination non-thermally by dry grinding the tape only or cogrinding with calcium oxide (CaO), respectively. The induced mechanochemical reaction between Co and chlorine in the tape leads to the formation of cobalt chloride, which is water-soluble, offering a novel process to recover the metal from the tape. On the other hand, cogrinding with CaO allows the complete transformation of chlorine in the tape into water-soluble inorganic chloride. The mechanochemical dechlorination process was characterized by an XRD analysis, TG-DTA analysis, SEM photography, Raman analysis and quantitative measurement of the soluble compositions.

【 授权许可】

Unknown