Presented by: Imants Deme Shell Sulphur Solutions ™Shell Canada Energy Reducing the size of the “asphalt ecological footprint” with SEAM™ (Sulphur Extended Asphalt Modifier) Canadian User-Producer Group for Asphalt CUPGA 2007, Sustainability Symposium November 18, 2007
Transcript
Slide 1
Presented by: Imants Deme Shell Sulphur Solutions Shell Canada
Energy Reducing the size of the asphalt ecological footprint with
SEAM (Sulphur Extended Asphalt Modifier) Canadian User-Producer
Group for Asphalt CUPGA 2007, Sustainability Symposium November 18,
2007
Slide 2
2 Contents Sulphur-Extended Asphalt history SEAM properties and
use Health, safety and environment SEAM technology (40/60
SEAM/bitumen semi-rigid pavements) - Bitumen reduction - Road
performance properties - Road design The green page Examples of
applications
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3 SEAM history
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4 Historical perspective 1970s & 80s NOW Liquid sulphur +
High shear mixer No H 2 S scavenger & no plasticizer Pelletized
sulphur with dispersing agent, H 2 S scavenger & plasticizer:
Sulphur- Extended Asphalt Modifier = SEAM
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5 SEAM properties and use
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6 SEAM Properties Solid pellet at ambient temperatures (