再生FCC废触媒负载镍催化松脂加氢反应研究  

Study on Pine Gum Hydrogenation Using a Spent-FCC-Supported Nickel Catalyst

作　　者：任璐[1] 陈小鹏[1,2] 王琳琳[1,2] 梁杰珍[1,2] 黄莹莹[1] 陈欢[1] 侯文彪 江文夺 

机构地区：[1]广西大学化学化工学院,广西南宁530004 [2]广西石化资源加工及过程强化重点实验室,广西南宁530004 [3]广西梧州日成林产化工有限公司,广西苍梧543100

出　　处：《高校化学工程学报》2016年第1期83-89,共7页Journal of Chemical Engineering of Chinese Universities

基　　金：国家自然科学基金(31060102;20976031);广西自然科学基金重点项目(2014GXNSFDA118010);广西自然科学基金项目(2013GXNSFAA019050;2013GXNSFBA019037);广西石化资源加工及过程强化技术重点实验室主任课题基金(2012Z02);广西科技攻关项目(1099060-2);广西研究生教育创新计划资助项目(YCSZ2012022)

摘　　要：以再生FCC废触媒负载镍为催化剂进行松脂加氢反应,采用GC-MS对催化加氢产物进行分析,并利用改变搅拌转速和催化剂粒径的方法,消除松脂加氢过程中的内外扩散影响。结果表明,再生FCC废触媒负载镍催化松脂加氢反应的最优条件为:温度468 K、压力5 MPa、催化剂用量5%(wt)和反应时间为60 min;搅拌转速为400 r?min?1时,基本消除了外扩散影响;催化剂的粒径小于100μm时,消除了内扩散的影响;反应产物鉴定出14种化合物,其中二氢海松酸和二氢异海松酸含量分别为4.75%和5.84%,二氢枞酸同分异构体分别是13β-8(14)-Abietenoic acid,13-Abietenoic acid,13β-7-Abietenoic acid,8-Abietenoic acid,13β-8-Abietenoic acid,8(14)-Abietenoic acid,含量为64.98%;脱氢枞酸含量为8.06%;四氢枞酸是8α-13β-Abietanoic acid,含量为13.89%;枞酸和新枞酸的含量分别为1.20%和0.34%。Regenerated FCC was used as the supporter of nickel catalysts, and the FCC-supported catalyst was applied in pine gum hydrogenation. GC-MS was used to analyze the hydrogenation products, and the external and internal diffusion effects in the hydrogenation process were eliminated by changing stirring speed and catalyst particle size. The results showed that the optimum hydrogenation conditions are： reaction temperature 468 K, pressure 5 MPa, catalyst content 5 %（wt） and reaction time 60 min. When the stirring speed 〉400 r·min^-1 and the catalyst particle size 〈100 μm, the internal and external diffusion effects can be eliminated. In addition, 14 components were identified from the hydrogenation products. The major components were Pimarenoic acid（4.75%）, Isopimarenoic acid（5.84%）, Abietenoic acid（the geometric isomers were 13β-8（14）-Abietenoic acid, 13-Abietenoic acid, 13β-7- Abietenoic acid, 8- Abietenoic acid, 13β-8- Abietenoic acid, 8（14）-Abietenoic acid, with total content of 64.98%）, Dehydroabietic acid（8.06%） and 8α-13β-Abietanoic acid（13.89%）. The hydrogenation network was mapped following the analyzed results. The reaction mechanism indicates that the reaction process contains not only hydrogenation but also dehydrogenation reactions.

关 键 词：松脂 FCC废触媒 催化加氢 GC-MS 

分 类 号：TE992.3[石油与天然气工程—石油机械设备]