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Suitability of reclaimed asphalt pavement and recycled crushed brick as filter media in bioretention applications

journal contribution
posted on 2016-01-01, 00:00 authored by Md Aminur Rahman, M A Imteaz, A Arulrajah
Bioretention systems are increasingly being used in urban stormwater management systems, whereas quarry materials are used as filter media; however the use of quarry materials in this application reduces valuable natural resources. Such a novel approach of using recycled waste materials would significantly conserve valuable natural resources. A series of laboratory tests included particle size distribution, organic content, pH, specific gravity, flakiness index and hydraulic conductivity. Among the pollutants, total suspended solid (TSS), total phosphorus (TP) and total nitrogen (TN) were selected. A model for bioretention system was simulated to investigate the effectiveness of reclaimed asphalt material (RAP) and crushed brick (CB) materials in trapping selected pollutants. In terms of physical and chemical properties, RAP and CB were found to meet the stringent requirements of various environmental protection authorities. This research further indicates that recycled waste materials can be reused viably as alternative materials in bioretention systems.

History

Journal

International journal of environment and sustainable development

Volume

15

Issue

1

Pagination

32 - 48

Publisher

Inderscience Publishers

Location

Olney, Eng.

ISSN

1474-6778

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Copyright notice

2016, Inderscience Publishers

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