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乙二醇促进制备高分散的Co/SiO_2催化剂及其催化乳酸乙酯转化为1,2-丙二醇的气相加氢活性
Alternative TitlePreparation of Highly Dispersed Co/SiO_2 Catalyst Using Ethylene Glycol and Its Application in Vapor-Phase Hydrogenolysis of Ethyl Lactate to 1,2-Propanediol
仇松柏; 翁育靖; 刘琪英; 马隆龙; 张琦; 王铁军
2016
Source Publication物理化学学报
Issue6Pages:1511-1518
Cooperation Status国内
AbstractHighly dispersed Co catalysts supported on SiO_2 were prepared in the presence of ethylene glycol(EG) by co-impregnation and tested in the vapor-phase hydrogenolysis of ethyl lactate to 1,2-propanediol.The synthesis parameters of Co metal loading,ratio of
Subtype期刊
Other Abstract研究了利用乙二醇共浸渍方法制备高分散的二氧化硅负载钴催化剂,该催化剂有效地提高了乳酸乙酯的气相加氢反应活性。系统地考察了钴金属负载量、乙二醇与硝酸钴摩尔比、醇种类和焙烧温度等制备参数对四氧化三钴纳米粒子物性的影响。乙二醇与硝酸钴摩尔比和醇种类对二氧化硅负载的四氧化三钴纳米粒子大小有显著影响。与常规的浸渍方法相比较,共浸渍过程中的乙二醇增强了二价钴粒子和载体二氧化硅之间的相互作用力,从而引起金属钴分散度的提高以及四氧化三钴纳米粒子粒径从16 nm降到5 nm以下;金属钴的高分散与无定型硅酸钴的形成密切相关;
KeywordCo/sio_2 共浸渍 乳酸乙酯加氢 1 2-丙二醇 乙二醇
Indexed ByCSCD ; SCI
Language英语
Funding Organization国家高技术研究发展计划项目(863)(2012AAl01806);国家自然科学基金项目(21306195,51276183)
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Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/15993
Collection中国科学院广州能源研究所
Affiliation中国科学院可再生能源重点实验室,中国科学院广州能源研究所,广州 510640
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仇松柏,翁育靖,刘琪英,等. 乙二醇促进制备高分散的Co/SiO_2催化剂及其催化乳酸乙酯转化为1,2-丙二醇的气相加氢活性[J]. 物理化学学报,2016(6):1511-1518.
APA 仇松柏,翁育靖,刘琪英,马隆龙,张琦,&王铁军.(2016).乙二醇促进制备高分散的Co/SiO_2催化剂及其催化乳酸乙酯转化为1,2-丙二醇的气相加氢活性.物理化学学报(6),1511-1518.
MLA 仇松柏,et al."乙二醇促进制备高分散的Co/SiO_2催化剂及其催化乳酸乙酯转化为1,2-丙二醇的气相加氢活性".物理化学学报 .6(2016):1511-1518.
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