Jig separation of crushed automobile shredded residue and its evaluation by float and sink analysis |
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Authors: | Yutaka Kuwayama Mayumi Ito Noki Hiroyoshi Masami Tsunekawa |
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Institution: | (1) Division of Solid Waste, Resources and Geoenvironmental Engineering, Graduate School of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo 0608628, Japan |
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Abstract: | Automobile shredded residue is a potential solid fuel when its metal and chloride-containing components have been removed.
The authors have investigated physical separation of automobile shredded residue to isolate components that may be used as
solid fuel and reported that agglomerates of entangling fiber-like material are formed during crushing. These agglomerates
make removal of metals and chloride-containing components difficult, and the paper proposes a treatment flowchart consisting
of separate treatments of the coarse size fraction containing entangling fiber-like components and the smaller size fraction
containing particulate matter. This paper reports the treatment of the smaller size fraction treated with jigging to obtain
a low-ash and low-chloride-content product. A new washability curve was developed based on float and sink analysis test results,
and it was applied to estimate the gravity separation performance of treatments such as jigging and dense medium separation.
The estimated results show good agreement with the experimental results of jig separation. |
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