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    A 3-stage treatment system for domestic wastewater: Part 1. Development

    196461_106466_Part_1_Development.pdf (858.1Kb)
    Access Status
    Open access
    Authors
    Oon, Yin Wee
    Law, Puong Ling
    Ting, Sim Nee
    Tang, Fu Ee
    Date
    2013
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Oon, Yin Wee and Law, Puong Ling and Ting, Sim Nee and Tang, Fu Ee. 2013. A 3-stage treatment system for domestic wastewater: Part 1. Development. UNIMAS E-journal of Civil Engineering. 4 (1): pp. 13-25.
    Source Title
    UNIMAS e-journal of Civil Engineering
    Additional URLs
    http://www.feng.unimas.my/ujce/images/article/volume12013/paper%203encrypted.pdf
    ISSN
    19853874
    Remarks

    Copyright © 2013 Universiti Malaysia Sarawak

    URI
    http://hdl.handle.net/20.500.11937/27600
    Collection
    • Curtin Research Publications
    Abstract

    This study presents the development of a micro-scaled 3-staged wastewater treatment system applicable to small volume domestic effluents. The primary components of the system include 1) Spiral-Framed Human Hair-Based Filter, 2) Plastic Medium Mixed Flow Biotower, and 3) Pistia Stratiotes- Based Free Surface Water Wetland System. The first stage Spiral-Framed Human Hair-Based Filter consists of an oil and grease removal apparatus filled with human hair blocks and operated in a spiral plane aimed at removing emulsified oils from wastewater. The process is followed by a second stage Plastic Medium Mixed Flow Biotower filled with perforated cylindrical plastic tubes in horizontal and vertical arrangements to provide alternate vertical and cross flows for removal of suspended solids, ammoniacal-nitrogen, and biochemical oxygen demand. The effluent would then be channelled to the free surface water wetland system (third stage) filled with Pistia Stratiotes (water lettuce) for removal of nutrients such as nitrogen, phosphorus, and potassium from wastewater. From this study, it was found that Human Hair-Based Filter could remove 73.54% emulsified oils from wastewater, while the combined removal efficiencies of Plastic Medium Mixed Flow Biotower and Free Surface Water wetland system operated in series recorded 59.2% biochemical oxygen demand, 87.9% ammoniacal-nitrogen, 90.6% nitrogen, 54.9% phosphorus, 68.5% potassium, and 59.0% turbidity.

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