Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/119069
Title: POTENTIAL OF BIORENTENTION SYSTEMS FOR GREYWATER REUSE IN SINGAPORE
Authors: LI HAOYANG
Keywords: bioretention, greywater, surfactant, TOC, engineered soil, Singapore
Issue Date: 22-Aug-2014
Citation: LI HAOYANG (2014-08-22). POTENTIAL OF BIORENTENTION SYSTEMS FOR GREYWATER REUSE IN SINGAPORE. ScholarBank@NUS Repository.
Abstract: A stable, sustainable and partly independent water supply is crucial to a flourish city-state like Singapore. The domestic water consumption per capita in Singapore 2013 is 151L/day, and 59% of this becomes greywater (wastewater from shower, laundry and basin). Greywater is currently reused in numerous nations, and it could be an alternate source of water. Conventional treatments of greywater are highly energy-consuming or complicated. The purpose of this research is to evaluate the potential of bioretention systems for treating greywater in Singapore. Some locally available materials were screened to treat surfactants, a major contaminant in greywater. When the regulation is strict, 5% of GAC could be added to gain a 99.33% removal of LAS and 97.27% removal of TOC to 2.162ppm, higher portion of GAC may not be cost effective. This study showed that bioretention systems could be a promising treatment of greywater.
URI: http://scholarbank.nus.edu.sg/handle/10635/119069
Appears in Collections:Master's Theses (Open)

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