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Experimental study on filtration effect and mechanism of pavement runoff in permeable asphalt pavement

Jiang, W and Sha, A and Xiao, J and Li, Y and Huang, Y (2015) Experimental study on filtration effect and mechanism of pavement runoff in permeable asphalt pavement. Construction and Building Materials, 100. pp. 102-110. ISSN 0950-0618

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Abstract

In this study, self-developed laboratory apparatus was devised to investigate filtration effects of permeable asphalt pavements (PAP) and their mechanisms. The filtration effect of PAP is specified by measuring 16 pollutant indices in influent and effluent samples. Results show that the PAP is highly effective in removing copper (Cu), zinc (Zn), lead (Pb) and cadmium (Cd), and relatively less effective on petroleum pollutants (PP), animal & vegetable oil (AVO), biochemical oxygen demand (BOD), chemical oxygen demand (COD) and ammonia nitrogen (NH-N). The effect on removing total phosphorus (TP), chloride (Cl) and total nitrogen (TN) is marginal. Influences of sampling time on pollutant concentrations were investigated as well, which indicates that the increases of sampling time reduce the pollutant concentrations to some extent. The decreases of pollution concentrations can be attributed to the interception and physisorption of porous materials used in the PAP.

Item Type: Article
Uncontrolled Keywords: 0905 Civil Engineering, 1202 Building
Subjects: T Technology > TD Environmental technology. Sanitary engineering
T Technology > TE Highway engineering. Roads and pavements
Divisions: Built Environment
Publisher: Elsevier
Date Deposited: 07 Jan 2016 10:01
Last Modified: 07 Jan 2016 10:01
DOI or Identification number: 10.1016/j.conbuildmat.2015.09.055
URI: http://researchonline.ljmu.ac.uk/id/eprint/2211

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