PROPERTY PREDICTION FOR ASPHALTS FROM BLENDED SOURCES

Methods are provided for predicting the properties of an asphalt fraction that contains two or more asphalt components based on measurements of the viscosity for the asphalt fraction. Based on the measured viscosity, a virtual cut point is determined for a virtual asphalt blend that has the same vis...

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Bibliographische Detailangaben
Hauptverfasser:	BROWNIE JOHN H, KRIZ PAVEL, MORAN LYLE EDWIN
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING FUELS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LUBRICANTS MEASURING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PEAT PETROLEUM, GAS OR COKE INDUSTRIES PHYSICS PYROLIGNEOUS ACID TECHNICAL GASES CONTAINING CARBON MONOXIDE TESTING THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP PITCH, ASPHALT, BITUMEN, TAR
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Beschreibung
Zusammenfassung:	Methods are provided for predicting the properties of an asphalt fraction that contains two or more asphalt components based on measurements of the viscosity for the asphalt fraction. Based on the measured viscosity, a virtual cut point is determined for a virtual asphalt blend that has the same viscosity (to within a tolerance value) as the measured viscosity for the asphalt fraction. The virtual cut point is then used to determine a variety of predicted property values for the asphalt fraction. Optionally, the predicted property values can be used to adjust the actual cut point for the distillation or separation process used for forming the asphalt fraction.