1STUCKRAD B T O, LOHR K, VOGT V. Sorting of waste plastic mixtures by flotation[J]. Proceedings of the XX international mineral processing congress. Aachen, Germany,1997,5:307-318.
2SHIBATA J, MATSUMOTO S, YAMAMOTO H, KUSAKA E. Flotation separation of plastics using selective depressants[J ]. International Journal of Mineral Processing, 1996 (48) :127-134.
3BUCHAN R, YARAR B. Application of mineral - processing technology to plastic recycling[J]. Mining Engineering,1996,48(11) :69--72.
4BUCHAN R, YARAR B. Recovering plastics for recycling by mineral processing techniques [ J ]. Minerals, Metals & Materials Soc, 1995,47(2) :52--55.
5HUITING SHEN, PUGH R J, FORSSBERG E. Floatability, selectivity and flotation separation of plastics by using a surfactant[J]. Colloids and Surface, A: Physicochemical and Engineering Aspects, 2002,196 (1) : 63-70.
6STUCKRAD BJORN, LOHR KARSTEN. Method for sorting plastics from a particle mixture composed of different plastics[P]. US Patent,5 566 832,1996.
7FRAUNHOLCZ N,DALMIJN W L. Wetting mechanisms in the flotation of plastics[J]. Proceeding of the XX international mineral processing congress. Aachen, Germany, 1997,5 : 329-- 340.
8GUERN C L, CONIL P, HOUOT R. Role of calcium ions in the mechanism of action of a lignosulphonate used to modify the wettability of plastics for their separation by flotation[ J ]. Minerals Engineering, 2000,13 (1) : 53-63.
9SUMIO IZUMI. Flotation method for separation of mixture of plastics[P]. US Patent,3 926 790,1975.
10SUMIO IZUMI, HIROSHI TANAKA. Method for separation of mixture of plastics[P]. US Patent,3 925 200,1975.
