Polyphosphoric acid resistant hydrogen sulfide scavenger for use in asphalt applications

A method and composition for reducing hydrogen sulfide generated or emitted from an asphalt composition are disclosed. In certain aspects, a method for reducing hydrogen sulfide emissions from an asphalt composition is provided, wherein an additive is mixed with the asphalt composition and the additive is a copper-based complex. The asphalt composition can include asphalt and an asphalt modifying acid. The copper-based complex can comprise copper carboxylate. The copper carboxylate can be an oil-soluble metal organic. 公开了种用于降低由沥青组合物产生或者排放的硫化氢的方法和组合物。在某些方面中，提供了种降低来自沥青组合物的硫化氢排放物的方法，其中使添加剂与沥青组合物混合，并且所述添加剂为铜基复合物。沥青组合物可以包括沥青和沥青改性酸。铜基复合物可以包括羧酸铜。所述羧酸铜可以是油溶性金属有机物。