CPC E01C 19/05 (2013.01) [B02C 19/0056 (2013.01); B02C 23/08 (2013.01); C08L 95/00 (2013.01); E01C 19/1004 (2013.01); C08L 2555/34 (2013.01)] | 21 Claims |
1. A method comprising:
obtaining asphalt shingle waste (ASW);
wherein the ASW comprises:
asphalt,
limestone powder,
granules, and
impurities; and
performing sufficient grinding steps and screening steps on the ASW to result in ASW powder;
wherein the ASW powder has an average particle size of 2 microns to 425 microns, and wherein the ASW powder comprises:
5 wt % to 40 wt % asphalt based on a total weight of the ASW powder, and
60 wt % to 95 wt % limestone powder, granules, and impurities based on the total weight of the ASW powder.
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