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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...