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The removal of physiochemical and xenobiotic organic compounds from laundry greywater using solar water distillation systems

Radin Mohamed, Radin Maya Saphira and Arifin, Siti Nor Hidayah and Yung, Shen Liew and Al-Gheethi, Adel Ali Saeed and Mohd Kassim, Amir Hashim (2018) The removal of physiochemical and xenobiotic organic compounds from laundry greywater using solar water distillation systems. In: Proceedings of International Conference on Sustainable Engineering & Technology 2018 (ICSET 2018).

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Abstract

In Malaysia, concerns exist in relation to the presence of physiochemical and xenobiotic organic compounds (XOCs) in laundry greywater (LGW). The aim of this study was to identify the physiochemical and XOCs characteristics of LGW and evaluate the efficiency of using solar water distillation (SWD) for LGW treatment. The presence of physiochemical pollutants and XOCs was removed using the SWD treatment. LGW samples were collected from three different building blocks which are block A, B and D at Perwira Residential College, Parit Raja, Johor. An SWD treatment model was designed and developed using Polyethylene Terephthalate (PET) plastic bottles. The SWD treatment model and raw LGW were dried under the sun from 8 a.m. until 5 p.m. daily. Both raw and treated LGW were collected and tested for physiochemical parameters and XOCs. The results showed that the highest biochemical oxygen demand (BOD) removal was 90.8% in block B whereas the highest chemical oxygen demand (COD) removal was 98.9% in both block A and block D. It achieved a total suspended solid (TSS) removal of 100% and a turbidity removal of 98.4% in block A. On the other hand, the gas chromatography-mass spectrometry (GC-MS) results showed that the highest XOC removal was 84.1% of camphor. It can be concluded that the SWD treatment is effective for reducing contaminants in LGW.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Biochemical Oxygen Demand; Gas Chromatography-mass Spectrometry; Chemical Oxygen Demand; Students; Sunlight.
Subjects: T Technology > T Technology (General)
Divisions: Faculty of Civil and Environmental Engineering > Department of Civil Engineering Technology
Depositing User: Mr Abdul Rahim Mat Radzuan
Date Deposited: 15 Mar 2020 03:01
Last Modified: 15 Mar 2020 03:01
URI: http://eprints.uthm.edu.my/id/eprint/12835
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