Method for reducing hydrogen sulfide evolution from asphalt

Details Method for reducing hydrogen sulfide evolution from asphalt Method for reducing hydrogen sulfide evolution from asphalt

2009-02-17

2011-10-11

Caldarola, Glenn (Department: 1771)

Mineral oils: processes and products

Asphalts, tars, pitches and resins; making, treating and...

C208S20800M

Reexamination Certificate

active

08034231

ABSTRACT:
Hydrogen sulfide evolution from asphalt may be reduced or eliminated using an additive to act as a scavenger. Metal borate complexes when used as an additive in asphalt production, are an effective component in preventing or mitigating the evolution of hydrogen sulfide from asphalt.

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M. A. Sayyadnejad et al.; Removal of Hydrogen Sulfide by Zinc Oxide Nanoparticles in Drilling Fluid, Int. J. Environ. Sci. Tech., 5 (4), Autumn 2008, pp. 565-569.
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