MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Immersion Behavior of Automobile Shredded Residue in Surfactant Solutions and Detachment of Particulate Matter
Mayumi ItoMaiko AkatsukaYutaka KuwayamaKunihiro HoriNaoki HiroyoshiMasami Tsunekawa
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2008 Volume 49 Issue 10 Pages 2371-2376

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Abstract

This study investigated the effect of the addition of wetting agents on automobile shredded residue (ASR) wettability, and found that the surfactants diisooctyl sodium sulfosuccinate (AOT) and sodium dodecyl sulfate (SDS) were effective to improve immersion of the ASR, due to their ability to reduce the solution surface tension and the contact angle of ASR. Urethane foam is a bulky compound in ASR and its immersion and wetting behavior showed similar changes as those of the ASR samples. With SDS the surface wettability of urethane was improved. The surfactant solutions were also effective in the detachment of the entrapped particles from the agglomerate of entangling fiber like materials. The effects of the surfactant concentrations on ASR wettability and the amount of detached particles are described.

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© 2008 The Mining and Materials Processing Institute of Japan
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