Catalytic Pyrolysis of Poly(ethylene terephthalate) withMolybdenum Oxides for the Production of Olefins and TerephthalicAcid br
文献类型：期刊论文
| 作者 | Liu, Junhong1,2; Li, Yi1; Jia, Xin2; Song, Kuntong1; Hou, Wenxia1; Zheng, Xu1; Zhou, Qing; Zhou, Qing1; Lu, Xingmei1; Xu, Junli1 |
| 刊名 | INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
 |
| 出版日期 | 2022-04-20 |
| 卷号 | 61期号:15页码:5054-5065 |
| ISSN号 | 0888-5885 |
| DOI | 10.1021/acs.iecr.1c04743 |
| 英文摘要 | A catalyst based on molybdenum oxides was prepared and used for the catalytic pyrolysis of PET (poly(ethyleneterephthalate)) in a H2atmosphere to facilitate the direct conversion of PET for producing olefins (ethylene and propylene) andTPA (terephthalic acid). At a reaction temperature of 400 degrees C, the yields of olefins and aromatic products were the highest, reaching10.10 and 52.16 wt %, respectively. Meanwhile, the carbon black could be entirely removed. The content of TPA in aromaticproducts was about 70%, and the content of benzoic acid reached 22.64%. Analyses using in situ gas chromatography (GC) andhigh-performance liquid chromatography (HPLC) were performed to clarify the possible reaction mechanism involved in thecatalytic pyrolysis of PET. Vinyl ester was found to be an important intermediate in the formation of olefins. The molybdenum oxidecatalyst promoted the cleavage of the C-O bond in the side chain of PET molecules to form TPA and monovinyl terephthalate. Bycatalytic hydrogenation, vinyl ester was easily attacked by H to drop offthe vinyl end to form olefins, simultaneously converting theester groups into a carboxyl group and further into a TPA. This is also the main path for the production of olefins. Meanwhile, thesource of olefins also involved the hydrogenation of the coordinated quaternary cycle transition state of vinyl esters and the Htransfer and cracking of monoethyl terephthalate. In addition, it was found that the presence of H2was the main reason for thereduction of carbon black products. This work is promising to promote the highly efficient utilization of waste PET and directionaladjustment of pyrolysis products. |
| WOS关键词 | ACID ; CONVERSION ; MO ; NI |
| 资助项目 | National Key R&D Program of China[2019YFC1908204] ; Strategic Priority Research Program[XDA 21060300] ; National Natural Scientific Fund of China[21878292] ; National Natural Scientific Fund of China[22178364] |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000794256700005 |
| 出版者 | AMER CHEMICAL SOC |
| 资助机构 | National Key R&D Program of China ; Strategic Priority Research Program ; National Natural Scientific Fund of China |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/53432]  |
| 专题 | 中国科学院过程工程研究所 |
| 通讯作者 | Li, Yi |
| 作者单位 | 1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Beijing Key Lab Ion Liquids Clean Proc, CAS Key Lab Green Proc & Engn,Inst Proc Engn, Beijing 100190, Peoples R China 2.Shenyang Univ Chem Technol, Minist Educ, Key Lab Resources Chem & Mat, Shenyang 110142, Liaoning, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Junhong,Li, Yi,Jia, Xin,et al. Catalytic Pyrolysis of Poly(ethylene terephthalate) withMolybdenum Oxides for the Production of Olefins and TerephthalicAcid br[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2022,61(15):5054-5065. |
| APA | Liu, Junhong.,Li, Yi.,Jia, Xin.,Song, Kuntong.,Hou, Wenxia.,...&Xu, Guangwen.(2022).Catalytic Pyrolysis of Poly(ethylene terephthalate) withMolybdenum Oxides for the Production of Olefins and TerephthalicAcid br.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,61(15),5054-5065. |
| MLA | Liu, Junhong,et al."Catalytic Pyrolysis of Poly(ethylene terephthalate) withMolybdenum Oxides for the Production of Olefins and TerephthalicAcid br".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 61.15(2022):5054-5065. |
入库方式： OAI收割
来源：过程工程研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。