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Effect of detergents from laundry greywater on soil properties: a preliminary study

Radin Mohamed, Radin Maya Saphira and Al‑Gheethi, A. A. and J., Noramira and Chan, C. M. and M. K., Amir Hashim and M. , Sabariah (2018) Effect of detergents from laundry greywater on soil properties: a preliminary study. Applied Water Science, 8 (16). pp. 1-7. ISSN 21905495


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Detergent compounds are classes of the organic micro-pollutants in the laundry wastewater. The disposal of these compounds into the soil has several adverse effects on their composition. In the present study, changes in the soil characteristics, which included saturated hydraulic conductivity (Ksat), EC, pH, exchangeable sodium percentage, cation exchange capacity (CEC), and sodium adsorption on ratio were examined after the irrigation with laundry wastewater. Ten clothes were washed with one full cap of powder (PLD) and liquid laundry (LLD). Laundry greywater samples were used for the irrigation of soil. The results revealed that the pH of soil increased from 3.85 to 4.42 and 4.09 after irrigation by PLD and LLD greywater, respectively. The EC of the irrigated soil increased from 50.32 to 152.5 and 147.6 μS/cm, respectively. The CEC was raised to 79.93 and 41.39 meq/100 g, while Ksat was reduced to 7.38 × 10^−10 and 7.11 × 10^−10 cm/s, respectively. These findings highlighted the negative effects of laundry greywater discharge on soil properties.

Item Type: Article
Uncontrolled Keywords: Laundry greywater; hydraulic conductivity; CEC; ESP; Ksat
Subjects: T Technology > TD Environmental technology. Sanitary engineering > TD878-880 Soil pollution. Soil remediation
Divisions: Faculty of Civil and Environmental Engineering > Department of Water and Environmental Engineering
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 23 Jun 2019 06:59
Last Modified: 23 Jun 2019 06:59
URI: http://eprints.uthm.edu.my/id/eprint/11222
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