Depolymerization of polycarbonate with catalyst in hot compressed water in fused silica capillary and autoclave reactors
Pan, Zhiyan1; Hu, Zhichao1; Shi, Yinghai1; Shen, Yuan1; Wang, Junliang1; Chou, I-Ming2
2014
发表期刊RSC ADVANCES
卷号4期号:38页码:19992-19998
摘要Depolymerization of polycarbonate (PC) with the catalyst manganese acetate (Mn(Ac)(2)) was studied in hot compressed water (HCW) using a stainless steel batch autoclave reactor and a fused silica capillary reactor (FSCR). The phase behavior of PC in water with or without Mn(Ac)(2) during the heating, reaction and cooling processes was observed. The phase behavior indicated that the dissolution time of PC in HCW to form a homogeneous liquid solution was effectively reduced by adding Mn(Ac)(2) as a catalyst. For the reaction in the autoclave reactor, the main liquid products were bisphenol A (BPA) and phenol. The effects of operating parameters such as catalyst concentration (ratio of Mn(Ac)(2) to PC) (0-2.5%), temperature (250-280 degrees C) and reaction time (5-60 min) on depolymerization of PC were investigated in the autoclave reactor. The optimal experimental conditions were found to be a temperature of 280 degrees C, reaction time of 20 min with the ratio of Mn(Ac)(2)/PC of 2.0%, giving yields of BPA and phenol of 55.25% and 18.63%, respectively. The main gaseous product CO2 in the FSCR was qualitatively and quantitatively analyzed by Raman spectroscopy. A reaction pathway for catalytic depolymerization of PC in HCW was proposed based on the experimental results.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c4ra00680a
收录类别SCI
语种英语
关键词[WOS]RAMAN-SPECTROSCOPIC CHARACTERIZATION ; SUPERCRITICAL WATER ; POLYETHYLENE TEREPHTHALATE ; KINETICS ; DECOMPOSITION ; GLYCOLYSIS ; METHANOL ; ETHANOL ; FLUIDS ; ACID
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000335922900060
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.idsse.ac.cn/handle/183446/765
专题深海科学研究部_深海极端环境模拟研究实验室
作者单位1.Zhejiang Univ Technol, Dept Environm Engn, Hangzhou 310032, Zhejiang, Peoples R China
2.Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Lab Expt Study Deep Sea Extreme Condit, Sanya 572000, Peoples R China
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Pan, Zhiyan,Hu, Zhichao,Shi, Yinghai,et al. Depolymerization of polycarbonate with catalyst in hot compressed water in fused silica capillary and autoclave reactors[J]. RSC ADVANCES,2014,4(38):19992-19998.
APA Pan, Zhiyan,Hu, Zhichao,Shi, Yinghai,Shen, Yuan,Wang, Junliang,&Chou, I-Ming.(2014).Depolymerization of polycarbonate with catalyst in hot compressed water in fused silica capillary and autoclave reactors.RSC ADVANCES,4(38),19992-19998.
MLA Pan, Zhiyan,et al."Depolymerization of polycarbonate with catalyst in hot compressed water in fused silica capillary and autoclave reactors".RSC ADVANCES 4.38(2014):19992-19998.
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