搜索结果: 1-15 共查到“知识库 Catalysts”相关记录198条 . 查询时间(0.097 秒)
Upgrading catalytic activity of NiO/CaO/MgO from natural limestone as catalysts for transesterification of coconut oil to biodiesel
Biodiesel Limestone Methyl ester PEG Vegetable oil
2023/12/19
Limestone was converted to high surface area CaO/MgO catalysts via calcination-hydration-dehydration (CHD) method for transesterification of coconut oil to biodiesel. Thermal?decomposition?at 900 degr...
Sustainable rosin acid ester as internal electron donors in Ziegler-Natta catalysts for synthesis of isotactic polypropylene with high melt flow rate
Bio-derived rosin acid esters internal electron donors Ziegler-Natta catalyst polypropylene polymerization
2023/12/11
In this contribution, novel bio-derived rosin acid ester compounds have been developed and used as internal electron donors to prepare MgCl2?supported titanium catalysts for propylene polymerization. ...
郭新闻论文成果：Organic acid-assisted preparation of highly dispersed Co/ZrO2 catalysts with superior activity for CO2 methanation
CO2 methanation Cobalt catalyst ZrO2 Organic acid High dispersion
2023/3/6
Various organic acids were investigated for preparing the highly dispersed cobalt catalysts on zirconia support, Co/ZrO2, by an acid-assisted incipient wetness impregnation. The organic acid-assisted ...
郭新闻论文成果：Self-Assembly of Mn(II)-Annidoximated PAN Polymeric Beads Complex as Reusable Catalysts for Efficient and Stable Heterogeneous Electro-Fenton Oxidation
heterogeneous electro-Fenton porous polymeric frameworks phase inversion postsynthetic grafting strong metal-support interaction
2023/3/6
A facile postsynthetic amidoxime modification method was reported on the preparation of transition-metal ions (Mn, Fe, and Co)-polyacrylonitrile (PAN) polymeric beads complex as reusable catalysts for...
郭新闻论文成果：Defect-Enriched N,O-Codoped Nanodiamond/Carbon Nanotube Catalysts for Styrene Production via Dehydrogenation of Ethylbenzene
nanodiamond/carbon nanotube hybrid nitrogen and oxygen codoping structural defect direct dehydrogenation styrene production
2023/3/6
Owing to the unique structure and enriched surface ketonic carbonyl group, nanodiamond (ND) shows excellent catalytic performance for dehydrogenation reaction. However, the agglomeration of predispers...
A QSAR using Comparative Molecular Field Analysis (CoMFA) is developed for a set of 23 catalysts containing bis-oxazoline or phosphino-oxazoline ligands that are known to induce asymmetry during the D...
Accountability and Control as Catalysts for Strategic Exploration and Exploitation:Field Study Results
Customer Satisfaction Corporate Accountability Governance Controls Innovation and Management Organizational Design Strategy
2015/4/23
This paper reports the collective finding from 102 field studies that look at the relationship between two organization design variables: span of control and span of accountability. Clustering the dat...
COMPUTATIONAL STUDY OF SURFACE-SEGREGATED PT ALLOY CATALYSTS FOR OXYGEN REDUCTION REACTION
surface segregation Pt alloy oxygen reduction adsorption energy
2015/1/12
In this thesis two research objectives have been accomplished using computational simulation techniques. (1) The surface segregation phenomena in the surfaces of (111), unreconstructed (110) and recon...
A QSAR using Comparative Molecular Field Analysis (CoMFA) is developed for a set of 23 catalysts containing bis-oxazoline or phosphino-oxazoline ligands that are known to induce asymmetry during the D...
Production of dimethylether (DME) as a clean fuel using sonochemically prepared CuO and/or ZnO-modified γ-alumina catalysts
ultrasonication methanol DME &gamma -Al2O3 CuO ZnO
2014/3/24
The catalytic conversion of methanol to dimethylether (DME) was studied over CuO/Al2O3, ZnO/Al2O3 and ZnO-CuO/Al2O3 nanocatalysts prepared in presence or absence of ultrasonic irradiation. The catalys...
The sol-gel derived Co-Mn/TiO2 catalysts for light olefins production
Fischer-Tropsch synthesis light olefins characterization
2014/3/10
In this research work, two 30%(Co-Mn)/TiO2 catalysts were prepared using sol-gel (catalyst A) and co-precipitation (catalyst B) methods. The activity and selectivity to C2~4 light olefins in Fischer-T...
NaOH modified WO3/SiO2 catalysts for propylene production from 2-butene and ethylene metathesis
Propylene Olefin metathesis Tungsten trioxide Silicon dioxide Sodium hydroxide treatment Acidity Pyridine
2014/3/11
A WO3/SiO2 catalyst is used in industry to produce propylene from 2-butene and ethylene metathesis. Catalysts with various WO3 loading (4% to 10%) were prepared by impregnation and tested for the meta...
A nanocrystalline MgO support for Ni catalysts for steam reforming of CH4（图）
Steam reforming Carbon deposition Nickel-magnesia solid solution
2013/9/26
Nanocrystalline MgO with a relatively high surface area and mesoporous structure was synthesized by a surfactant assisted precipitation method for use as the support of nickel catalysts for steam refo...
Stabilities of zeolite-supported Ni catalysts for dry reforming of methane（图）
Carbon dioxide Dry reforming Methane Nickel catalyst H-ZSM-5 zeolite Carbon deposition
2013/9/27
Ni/γ-Al2O3, Ni/Y-zeolite, and Ni/H-ZSM-5 catalysts were prepared using the incipient wetness impregnation method. Their catalytic performance in dry reforming of methane was studied. The fresh and use...
Rapid conversion of cellulose to 5-hydroxymethylfurfural using single and combined metal chloride catalysts in ionic liquid
Microcrystalline cellulose ionic liquids 5-hydroxyfurfural metal chlorides
2014/4/10
Direct conversion of cellulose into 5-hydroxymethylfurfural (HMF) was performed by using single or combined metal chloride catalysts in 1- ethyl-3-methylimidazolium chloride (Cl) ionic liquid. Our stu...