資源・素材 & EARTH 2017(札幌)

講演情報(2017年8月24日付)

企画講演(Special Session)

EARTH

2017年9月27日(水) 13:00 〜 17:00 第8会場 C310 (C棟3階/Fl.3.,Build. C)

司会(Chairman):Kazutoshi Haga (Akita University), Makoto Harita (Harita Metal Co lyd), Apisit Numprasanthai (Chulalongkorn University), Shuji Owada (Waseda University), Dodbiba Gjergj(University of Tokyo)

15:00 〜 15:15

[2801-14-08] Concentration of Minor Rare Metals from WEEEs by Two-stage Comminution using Various Impact-type Crushers

○Takuya Saito1, Shiji Owada1 (1. The University of Waseda)

司会(Chairman):Apisit Numprasanthai (Chulalongkorn University), Shuji Owada (Waseda University)

キーワード:WEEEs, Minor rare metal, Two-stage comminution, PCBs removal, Devices detachment

In this study, we gave theoretical consideration to the comminution processes for clarifying the mechanism of the above comminution behavior. The theoretical approach was done from the viewpoints mainly of (1) Maximum stress given to the WEEEs and PCBs by crushing medium in the crushers, (2) Space conditions such as volume, geometric shape of the crushers, and multivariable analysis was taken in order to estimate the effect of the above variables. Then, based on the above, impact-type crushers were classified into several groups: removable-type, destructive-type, and so on.
In this study, we gave theoretical consideration to the comminution processes for clarifying the mechanism of the above comminution behavior. The theoretical approach was done from the viewpoints mainly of (1) Maximum stress given to the WEEEs and PCBs by crushing medium in the crushers, (2) Space conditions such as volume, geometric shape of the crushers, and multivariable analysis was taken in order to estimate the effect of the above variables. Then, based on the above, impact-type crushers were classified into several groups; removable-type, destructive-type, and so on.

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