典型文献
Towards recycling purpose:Converting PET plastic waste back to terephthalic acid using pH-responsive phase transfer catalyst
文献摘要：
Converting polyethylene terephthalate(PET)wastes to its monomer and valuable chemicals via eco-friendly chemical method is still a challenge task.Previously,phase transfer catalysts used for alkaline hydrolysis were soluble in reaction media and hardly separated after reaction.Here,we reported several pH-responsive catalysts combined alkyl quaternary ammonium units with heteropolyacid anion for achieving stepwise product/catalyst separation and catalyst recycling.The properties of homogeneous/heterogeneous transfer behavior allow catalyst to be easily separated from reaction media by adjusting of pH value.Among them,[C16H33N(CH3)3]3PW12O40(abbreviated as[CTA]3PW)exhibits the highest activity and the most suitable pH responsive values.Such a pH triggered switchable catalytic system not only shows good performance for depolymerization of pure PET,but also some real PET wastes such as coloured trays and PE/PET complex films could be completely degraded into terephthalic acid.Additionally,the reaction kinetics and activation energy of PET alkaline hydrolysis also studied with and without pH-responsive[CTA]3PW.
文献关键词：
中图分类号：
作者姓名：
Yueqing Wang;Hongxing Wang;Hongmei Chen;Hantao Liu
作者机构：
School of Energy and Power Engineering,North University of China,Taiyuan 030051,China;State Key Laboratory of Coal Conversion,Institute of Coal Chemistry,Chinese Academy of Sciences,Taiyuan 030001,China;School of Instrument and Electronics,North University of China,Taiyuan 030051,China
文献出处：
引用格式：
[1]Yueqing Wang;Hongxing Wang;Hongmei Chen;Hantao Liu-.Towards recycling purpose:Converting PET plastic waste back to terephthalic acid using pH-responsive phase transfer catalyst)[J].中国化学工程学报（英文版）,2022(11):53-60
A类：
heteropolyacid,C16H33N,3PW
B类：
Towards,recycling,purpose,Converting,PET,plastic,back,terephthalic,using,responsive,phase,transfer,polyethylene,terephthalate,wastes,monomer,valuable,chemicals,eco,friendly,method,still,challenge,task,Previously,catalysts,used,alkaline,hydrolysis,were,soluble,reaction,media,hardly,separated,after,Here,reported,several,combined,alkyl,quaternary,ammonium,units,anion,achieving,stepwise,product,separation,properties,homogeneous,heterogeneous,behavior,allow,easily,from,by,adjusting,Among,them,CH3,3PW12O40,abbreviated,CTA,exhibits,highest,activity,most,suitable,values,Such,triggered,switchable,catalytic,system,not,only,shows,good,performance,depolymerization,pure,but,also,some,real,such,coloured,trays,complex,films,could,completely,degraded,into,Additionally,kinetics,activation,energy,studied,without
AB值：
0.630433
相似文献
机标中图分类号，由域田数据科技根据网络公开资料自动分析生成，仅供学习研究参考。
