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Open AccessArticle

Clustering the Adsorbents of Horizontal Series Filtration in Greywater Treatment

1
Department of Water Engineering, Faculty of Agriculture, Fasa University, Fasa 74616-86131, Iran
2
Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
3
Department of Statistics, Faculty of Science, Fasa University, Fasa 74616-86131, Iran
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(8), 3194; https://doi.org/10.3390/su12083194
Received: 11 February 2020 / Revised: 17 March 2020 / Accepted: 18 March 2020 / Published: 15 April 2020
(This article belongs to the Special Issue Removal of Emerging Pollutants from Wastewater Effluent)
One of the important alternative water resources for non-potable purposes is greywater (GW), which must be cleaned of contaminants. In this regard, the clustering analysis of materials consisting of sand (S), zeolite (Z), peat (P) and granular activated carbon (GAC) within a horizontal series filter (HSF) was used for removal of chemical oxygen demand (COD), biochemical oxygen demand (BOD), total dissolved solids (TDS), and turbidity in GW taken from the Fasa University Student Hostel, Iran. The hierarchical clustering technique was applied to classify the adsorbents. The findings indicated that there were significant differences (more than 95%) between these materials. According to the similarity of level 95%, for COD, BOD, TDS, and turbidity removal, these adsorbents could be separately clustered in three, three, two, and three clusters, respectively. In addition, by considering the simultaneous changes of COD, BOD, TDS, and turbidity together, these adsorbents could be clustered in three different clusters. This paper proposed an efficient method to select the best combination of adsorbents for eliminating of COD, BOD, TDS, and turbidity from GW. Generally, based on the quality of treated greywater and literature, reusing greywater can be implemented for agriculture, artificial recharge of aquifers, desertification, and preventing the dust creation in arid areas such as southern Iran. View Full-Text
Keywords: cluster analysis; granular activated carbon; greywater; peat; zeolite cluster analysis; granular activated carbon; greywater; peat; zeolite
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MDPI and ACS Style

Bahrami, M.; Amiri, M.J.; Mahmoudi, M.R. Clustering the Adsorbents of Horizontal Series Filtration in Greywater Treatment. Sustainability 2020, 12, 3194. https://doi.org/10.3390/su12083194

AMA Style

Bahrami M, Amiri MJ, Mahmoudi MR. Clustering the Adsorbents of Horizontal Series Filtration in Greywater Treatment. Sustainability. 2020; 12(8):3194. https://doi.org/10.3390/su12083194

Chicago/Turabian Style

Bahrami, Mehdi; Amiri, Mohammad J.; Mahmoudi, Mohammad R. 2020. "Clustering the Adsorbents of Horizontal Series Filtration in Greywater Treatment" Sustainability 12, no. 8: 3194. https://doi.org/10.3390/su12083194

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