<P><B>Abstract</B></P> <P>This study reports a simple froth flotation method to separate plastic wastes of acrylonitrile–butadiene–styrene (ABS) and high impact polystyrene (HIPS) after initial hydrophilizati...
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https://www.riss.kr/link?id=A107708021
2017
-
SCOPUS,SCIE
학술저널
746-752(7쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><B>Abstract</B></P> <P>This study reports a simple froth flotation method to separate plastic wastes of acrylonitrile–butadiene–styrene (ABS) and high impact polystyrene (HIPS) after initial hydrophilizati...
<P><B>Abstract</B></P> <P>This study reports a simple froth flotation method to separate plastic wastes of acrylonitrile–butadiene–styrene (ABS) and high impact polystyrene (HIPS) after initial hydrophilization by coating the plastics with ZnO and microwave treatment. ABS and HIPS are typical styrene-based WEEE plastics having similar density and hydrophobicity, which hinders their separation for recycling. After coating with ZnO, 2-min microwave treatment rearranged the ABS surface and thus changed its molecular mobility and increased its hydrophilicity. The combined ZnO coating/microwave treatment facilitated the selective separation of ABS and HIPS with 100% and 95.2% recovery and 95.4% and 100% purity in froth flotation, respectively. The combination of ZnO coating-microwave treatment and froth flotation can be utilized as a selective ABS/HIPS separation technique for improved recycling of WEEE plastics.</P> <P><B>Highlights</B></P> <P> <UL> <LI> The combined ZnO coating/microwave treatment rearranged the ABS surface. </LI> <LI> Selective hydrophilicity facilitated complete separation of ABS from HIPS. </LI> <LI> Optimized froth flotation was crucial for selective separation of ABS and HIPS. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Direct growth of NiO nanosheets on mesoporous TiN film for energy storage devices