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Centralised and decentralised transport systems for greywater and the application of nanotechnology for treatment processes

Athirah, A. and Al-Gheethi, Adel Ali Saeed and Noman, Efaq Ali and Radin Mohamed, Radin Maya Saphira and Mohd Kassim, Amir Hashim (2018) Centralised and decentralised transport systems for greywater and the application of nanotechnology for treatment processes. In: Management of Greywater in Developing Countries. Springer International Publishing AG, pp. 227-244. ISBN 9783319902685

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Abstract

Centralised and decentralised treatment systems for greywater are used based on the available sites, economic conditions and facilities of the treatment system. However, the decentralised system is a priority for rural regions for the recycling of greywater because it is inexpensive and does not result in toxic byproducts. This system also does not require maintenance or chemical additives. This system reduces the amount of wastewater produced, reduces dependence on traditional water supply and saves cost especially for low-income populations. The utilisation of the decentralised treatment system facility for the treatment of wastewater may help to reduce organic matters in waste efficiently. Transport models are typically applied to simulate water and solute movement in different porous media in order to understand the movement of pollutants in the soils and nutrient uptake by plants. Moreover, the utilisation of nanotechnology in the treatment of wastewater has emerged recently. This technique appears to exhibit high efficiency in the removal of micro-pollutants from wastewater. However, recent research has indicated that certain types of nanomaterial used in wastewater treatment may be toxic. In this chapter, the advantages and disadvantages of centralised and decentralised systems, as well as transport models, are reviewed. The challenges associated with the application of this technology in developing countries are discussed.

Item Type: Book Section
Uncontrolled Keywords: Transport model; centralised and decentralised system; nanomaterials; health risk
Subjects: T Technology > TD Environmental technology. Sanitary engineering > TD201-500 Water supply for domestic and industrial purposes
Divisions: Faculty of Civil and Environmental Engineering > Department of Water and Environmental Engineering
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 13 May 2019 01:11
Last Modified: 13 May 2019 01:11
URI: http://eprints.uthm.edu.my/id/eprint/11149
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