Extraction of Chloride of Bitumen Samples

The microwave-assisted solvent extraction method for the determination of the salt content in bitumen samples represents an efficient alternative to the rather time and cost consuming established methods (e.g. ASTM D6470, D-3230 or IP 77/72).


Accurate salt content determination in petrochemical products such as crude oil and bitumen is of utmost importance to petrochemical companies. The presence of sodium chloride causes several problems during transportation and the following refining processes, such as corrosion in transportation lines, fouling, and deactivation of catalysts. For these reasons refineries employ various desalination processes and analytical tests for the measurement of salt and water content present in crude oil and related petrochemical products.

This report describes the applicability of microwaveassisted solvent extraction by processing a variety of bitumen samples over several days, with subsequent chloride determination.

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