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Environmental Technology Volume 35, 2014 - Issue 19
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Original Articles

Characterization of recycled rubber media for hydrogen sulphide (H2S) control

Ning WangSchool of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan, Shandong, People's Republic of China
,
Jaeyoung ParkDepartment of Civil, Construction, and Environmental Engineering, Iowa State University, Ames, IA, USACorrespondence[email protected]
,
Eric A. EvansHDR Engineering, 300 East Locust Street, Suite 210, Des Moines, IA, USA
&
Timothy G. EllisDepartment of Civil, Construction, and Environmental Engineering, Iowa State University, Ames, IA, USA
Pages 2500-2505 | Received 18 Nov 2013, Accepted 29 Mar 2014, Published online: 06 May 2014
 
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Abstract

Hydrogen sulphide (H2S) adsorption capacities on recycled rubber media, tyre-derived rubber particle (TDRP™), and other rubber material (ORM™) have been evaluated. As part of the research, densities, moisture contents, and surface properties of TDRP™ and ORM™ have been determined. The research team findings show that TDRP™ and ORM™ are more particulate in nature and not highly porous-like activated carbon. The characteristics of surface area, pore size, and moisture content support chemisorption on the macrosurface rather than physical adsorption in micropores. For example, moisture content is essential for H2S adsorption on ORM™, and an increase in moisture content results in an increase in adsorption capacity.

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