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[1]任国卿,张宏科,陈晓蓉,等.Ru/Al2O3催化对苯二甲酸二甲酯合成1,4-环己烷二甲酸二甲酯[J].南京工业大学学报(自然科学版),2015,37(04):1-5.[doi:10.3969/j.issn.1671-7627.2015.04.001]
 REN Guoqing,ZHANG Hongke,CHEN Xiaorong,et al.Catalytic hydrogenation of dimethyl terephthalate to dimethyl 1,4-cyclohexanedicarboxylate over Ru/Al2O3 catalyst[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2015,37(04):1-5.[doi:10.3969/j.issn.1671-7627.2015.04.001]
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Ru/Al2O3催化对苯二甲酸二甲酯合成1,4-环己烷二甲酸二甲酯()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
37
期数:
2015年04期
页码:
1-5
栏目:
出版日期:
2015-07-09

文章信息/Info

Title:
Catalytic hydrogenation of dimethyl terephthalate to dimethyl 1,4-cyclohexanedicarboxylate over Ru/Al2O3 catalyst
文章编号:
1671-7627(2015)04-0001-05
作者:
任国卿1张宏科2陈晓蓉13梅华13
1.南京工业大学 化学化工学院,江苏 南京 210009; 2.万华化学集团股份有限公司中央研究院,山东 烟台 264002; 3.南京(诺盟化工)催化氢化工程技术研究中心,江苏 南京 210009
Author(s):
REN Guoqing1ZHANG Hongke2CHEN Xiaorong13MEI Hua13
1.College of Chemistry and Chemical Engineering,Nanjing Tech University,Nanjing 210009,China; 2.Central Institute of Wanhua Chemical Group Co.Ltd.,Yantai 264002,China; 3.Catalytic Hydrogenation Engineering Technology Research Center,Nuomeng Chem.,Nanjing 210009,China
关键词:
对苯二甲酸二甲酯 14-环己烷二甲酸二甲酯 催化加氢 Ru/Al2O3
Keywords:
dimethyl terephthalate dimethyl 14-cyclohexanedicarboxylate catalytic hydrogenation Ru/Al2O3
分类号:
O643.36
DOI:
10.3969/j.issn.1671-7627.2015.04.001
文献标志码:
A
摘要:
以Al2O3为载体、Ru为活性组分合成Ru/Al2O3。以Ru/Al2O3为催化剂,在反应釜中液相催化加氢催化对苯二甲酸二甲酯(DMT)制备1,4-环己烷二甲酸二甲酯(DMCD),考察Ru负载量、反应温度、压力、搅拌速率和反应时间对DMT加氢反应性能的影响。采用X线衍射仪(XRD)、N2吸附-脱附仪、H2-程序升温脱附(H2-TPD)技术和扫描电子显微镜(SEM)对催化剂理化性能进行表征。结果表明:Ru质量分数为3%的Ru/Al2O3显示出良好的催化活性。适宜催化剂的活化温度为120 ℃,在95 ℃、4.5 MPa和搅拌速率1 200 r/min的条件下加氢反应3 h,DMT转化率和DMCD选择性分别高达100%和98.81%。该催化剂循环使用12次后仍未发现明显失活。
Abstract:
Liquid phase catalytic hydrogenation of dimethyl terephthalate(DMT)to dimethyl 1,4-cyclohexanedicarboxylate(DMCD)was carried out with ruthenium supported aluminum oxide(Ru/Al2O3)as catalyst in a batch reactor.The effects of Ru loading content,reaction temperature,pressure,stirring speed,and reaction time on hydrogenation reaction were investigated.The physicochemical properties,such as the dispersion of Ru,pore structure,specific surface area, and activity were characterized by X-ray diffraction(XRD),N2 adsorption,temperature programmed desorption of hydrogen(H2-TPD),and scanning electron microscopy(SEM).Results showed that the catalyst with Ru loading of 3% exhibited excellent catalytic performance.Under optimized reaction condition of catalyst calcination temperature of 120 ℃,reaction temperature of 95 ℃,reaction pressure of 4.5 MPa,stirring speed of 1 200 r/min,and reaction time of 3 h,the dimethyl terephthalate conversion was 100% and the 1,4-cyclohexanedicarboxylate selectivity was 98.81%.No obvious deactivation was observed after the catalysts repeatedly used 12 times.

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备注/Memo

备注/Memo:
收稿日期:2014-05-06
基金项目:江苏省科技厅产学研前瞻性项目(BY2012033)
作者简介:任国卿(1990—),男,山东东营人,博士生,主要研究方向为工业催化; 陈晓蓉(联系人),副研究员,E-mail:chenxr@njtech.edu.cn.
引用本文:任国卿,张宏科,陈晓蓉,等.Ru/Al2O3催化对苯二甲酸二甲酯合成1,4-环己烷二甲酸二甲酯[J].南京工业大学学报:自然科学版,2015,37(4):1-5..
更新日期/Last Update: 2015-07-08