i.e. pressurized water (in a subcritical state), to transform this microalgae waste into a black, viscous, hydrophobic substance (bioasphalt) that closely resembles petroleum-derived asphalt.

"First of all, the material sealer producers buy to make asphalt-based pavement sealers is not produced ... enhancement for the parking lot. Asphalt-base sealers can provide that, but coal tar ...