Method for producing superior quality paving asphalt and...

Details Method for producing superior quality paving asphalt and... Method for producing superior quality paving asphalt and...

C - Chemistry, Metallurgy

08

L

C08L 95/00 (2006.01) C10C 3/00 (2006.01) C10C 3/04 (2006.01)

Patent

CA 2043469

A process for preparing a paving asphalt cement comprising two steps. In the first step, a high quality paving asphalt precursor, a low quality paving asphalt precursor, a non-paving asphalt precursor or a mixture thereof are catalytically oxidized to form a paving asphalt cement. In the second step, the catalytically oxidized paving asphalt cement is mixed with one or more of a high quality paving asphalt precursor, a low quality paving asphalt precursor, a non-paving asphalt precursor or a mixture thereof.

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