"An investigation of recycled/industrial materials to attenuate hydroge" by Kelly Ann Melendez Loaiza

Date of Award

Fall 2008

Project Type

Thesis

Program or Major

Civil Engineering

Degree Name

Master of Science

Abstract

One of the products of Construction and Demolition (C&D) debris recycling is C&D debris fines. C&D debris fines closely resemble soil. They may contain metal scraps, gypsum drywall, wood, soil, shingles, and concrete. Landfills have utilized C&D debris fines as alternative daily cover and/or shaping and grading material. The use of C&D debris fines has been linked to diffuse hydrogen sulfide emissions at landfills. Hydrogen sulfide emissions are not only a nuisance, but may pose a health hazard to landfill workers. This research investigates how recycled materials may be used to attenuate hydrogen sulfide emissions resulting from the use of C&D debris fines. Compounds indentified within the recycled/industrial materials evaluated most likely responsible for hydrogen sulfide attenuation are metal oxides and inorganic carbon. Materials were evaluated in-situ and ex-situ.

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