2 patents
Utility
Partial Displacement of Performance Graded Low Carbon Asphalt with Waste Plastic
19 Oct 23
A method of forming an asphalt binder includes the steps of: providing a liquid binder base housed in a feeding tank; providing a plurality of unprocessed granules of a waste plastic material housed in a hopper; pumping the liquid binder base into a wetting tank; augering the plurality of unprocessed granules of the waste plastic material into the wetting tank; mixing the liquid binder base and the plurality of unprocessed granules of the waste plastic material to form a blended binder that includes 5 percent to 40 percent by volume of the waste plastic material and 60 percent to 95 percent by volume of the liquid binder base; pumping the blended binder into a storage tank; and mixing the blended binder at a temperature of 325° F. to 350° F. for a duration of 10 minutes to 30 minutes to form the asphalt binder.
Edgard Hitti
Filed: 13 Oct 22
Utility
System and Method for Producing Asphalt Using Exhaust from a Generator
18 May 23
A system for producing hot mix asphalt includes a generator having an exhaust port; a dryer drum having an inlet; a duct connecting the exhaust port to the inlet, the duct conveying a first flow of hot gas from the exhaust port; an exhaust bypass vent conveying a second flow of hot gas diverging from the first flow of hot gas; and a valve disposed at a junction between the duct and the exhaust bypass vent for adjusting a flow rate of the second flow of hot gas.
Rob Carter, Brad Estes
Filed: 18 Nov 21
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