Journal article
Contaminant dust suppression materials: A cost-effectiveness estimation methodology
Measurement : journal of the International Measurement Confederation, v 93, pp 563-571
01 Nov 2016
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Chemical dust suppressants generally require more than one application to exposed ground surfaces to maintain the soil wetness level required to reduce dust emissions under the combined action of wind, high ambient temperature, low relative humidity, and vehicular traffic. A quantitative methodology is herein formulated for estimation of the cost-effectiveness of dust suppression with chemical agents within a specified construction duration. This is applied to the 3 polymers: sodium carboxymethyl cellulose (CMC A), polyacrylamide (PAM B) and polyethylene oxide (PEO A) used on 2 base soils (sodium montmorillonite (Na-montmorillonite) and kaolinite (K)). Polymer aqueous concentrations ranging from 0.5g/L to 10g/L, with distilled water as control, were used to perform desiccation tests at 25°C and 30% relative humidity. The results show that liquid loss kinetics alone which indicated CMC A at 8g/L and 4g/L aqueous concentrations for Na-montmorillonite during 891h and kaolinite during 696h, respectively, may not provide complete information on the potential cost-effectiveness of dust suppressants over multiple applications in the field. It identifies water and PAM B at <0.1g/L as the cost effective for Na-montmorillonite with PEO A, water and PAM B at similarly low concentrations are the most cost effective for kaolinite.
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Details
- Title
- Contaminant dust suppression materials: A cost-effectiveness estimation methodology
- Creators
- Hilary I. Inyang - China University of Mining and TechnologySunyoung Bae - Seoul Women's UniversityMiguel A. Pando - University of North Carolina at Charlotte
- Publication Details
- Measurement : journal of the International Measurement Confederation, v 93, pp 563-571
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Civil, Architectural, and Environmental Engineering
- Web of Science ID
- WOS:000386869600065
- Scopus ID
- 2-s2.0-84979590851
- Other Identifier
- 991020575442904721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Engineering, Multidisciplinary
- Instruments & Instrumentation