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Mechanisms of Asphaltene Aggregation in Toluene and Heptane Mixtures
Asphaltene Aggregation mechanism Diffusion limited aggregation Reaction limited aggregation Critical micelle concentration Fractal dimension
2010/9/8
The nature of aggregation kinetics of colloidal asphaltene particles in mixture of toluene and heptane was investigated by utilizing a polarizing microscope with appropriate magnification. The concent...
Development of Pt/WO3-ZrO2-Al2O3 Catalyst for Isomerization of Normal Heptane (Part 1) Control of Catalyst Acidity to Improve Isomerization Selectivity
Isomerization Normal heptane Solid super acid Research octane number
2009/7/28
The skeletal isomerization of paraffins is effective in improving the gasoline octane number, and platinum catalyst supported on sulfated zirconia (SZ) has been practically used for light naphtha iso...
Selective Hydroconversion of n-Heptane over Pd-supported Zeolites and Pd-containing Hybrid Catalyst
Hydrocracking Hydroisomerization Heptane catalyst Hydrogen spillover
2009/7/28
Hydroconversion of n-heptane was investigated over Pd-supported H-zeolite and hybrid catalyst consisting of Pd/SiO2 and USY. Highly selective hydrocracking occurred over Pd/ZSM-5 whereas hydroisomeri...
Skeletal Isomerization of n-Heptane to Clean Gasoline
Skeletal isomerization Heptane Clean gasoline Solid acid catalyst
2009/7/24
Skeletal isomerization of n-heptane to clean gasoline can be catalyzed by solid acids such as zeolites, sulfated zirconia, heteropoly compounds, and WO3/ZrO2 and their Pt or Pd-modified catalysts (bif...
Synthesis of new bicyclo[4.1.0]heptane-2,4-dione derivatives and their herbicidal activity
herbicidal activity cyclic 1,3-dione herbicide HPPD corn bicyclo[4.1.0]heptane-2,4-dione
2009/3/5
Various triketone type 4-HPPD inhibitors were synthesized and their herbicidal activity and corn safety were evaluated. In the course of synthetic studies, we invented convenient methods to synthesi...
掺杂Cr助剂的Pt/USY催化剂上正庚烷异构化反应研究（Hydroisomerization of n-Heptane over Pt/USY Catalysts Promoted by Cr Additive）
加氢异构化 正庚烷 助剂 USY Pt
2010/8/24
The Pt-supported USY zeolite catalysts doped with Cr, Al or Zn were prepared by impregnation, and characterized by XRD, low temperature nitrogen physisorption, H2-chemisorption and IR spectroscopy o...
Examination of Gold as a Metal Promoter of Sulphated Zirconia in n-Heptane Isomerisation at Low Temperature
Examination of Gold in n-Heptane Isomerisation Low Temperature
2010/4/19
Isomerisation of nC7 over a sulphated zirconia (SZ)-based bifunctional catalyst was studied at 150 °C. Au, Ir, Pd and Pt were used as promoters of SZ. The first objective was the production of C7 isom...