Title

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

Authors

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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