A tracer study for assessing the interactions between hydraulic retention time and transport processes in a wetland system for nutrient removal

    Authors

    N. B. Chang; Z. M. Xuan;M. P. Wanielista

    Comments

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    Abbreviated Journal Title

    Bioprocess. Biosyst. Eng.

    Keywords

    Constructed wetlands; Tracer study; Transport model; Biogeochemical; science; FLOW CONSTRUCTED WETLANDS; RHODAMINE-WT; WASTE-WATER; PERFORMANCE; BROMIDE; MODEL; Biotechnology & Applied Microbiology; Engineering, Chemical

    Abstract

    In this study, a new-generation subsurface upflow wetland (SUW) system packed with the unique sorption media was introduced for nutrient removal. To explore the interface between hydraulic and environmental performance, a tracer study was carried out in concert with a transport model to collectively provide hydraulic retention time (7.1 days) and compelling evidence of pollutant fate and transport processes. Research findings indicate that our pollution-control media demonstrate smooth nutrient removal efficiencies across different sampling port locations given the appropriate size distribution conversant with the anticipated hydraulic patterns and layered structure among the sorption media components. The sizable capacity for nutrient removal in this bioprocess confirms that SUW is a promising substitute for an extension of traditional on-site wastewater treatment systems.

    Journal Title

    Bioprocess and Biosystems Engineering

    Volume

    35

    Issue/Number

    3

    Publication Date

    1-1-2012

    Document Type

    Article

    Language

    English

    First Page

    399

    Last Page

    406

    WOS Identifier

    WOS:000300248900010

    ISSN

    1615-7591

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