Development and adoption of wastewater treatment system for peri-urban agriculture in Multan, Pakistan.

Clicks: 143
ID: 87056
2019
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Ranked #61 of 69 articles by views in water science and technology : a journal of the international association on water pollution research

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Abstract
The present research was conducted to assess the feasibility of biological treatment of a typical wastewater (WW) stream in Multan, Pakistan, using daily trends of WW characteristics and to design a wastewater treatment (WWT) system for that stream. The pH (5.8-6.2), temperature (24-30 °C), biological oxygen demand (BOD: 128-265 mg/L), ultimate BOD (BOD: 227-438 mg/L), BOD/total Kjeldahl nitrogen (BOD/TKN:5.9-11.2), BOD/BOD (1.6-2.0), carbonaceous BOD/nitrogenous BOD (CBOD/NBOD:1.6-2.8) of the WW was found to support the biological WWT. The inclusion of NBOD also indicated the need for nitrification-denitrification. The linear regression analysis of volatile suspended solids (VSS) with total suspended solids (TSS) indicated the high content of organic solids, which also made the WW suitable for biological treatment. The BOD/COD (chemical oxygen demand) <0.8 indicated the requirement for biomass acclimation. The major process units of the WWT system developed included a primary clarifier, cascade aeration, trickling filter, adsorption filter and chlorination contact tank. During the validation of design procedures, considerable removal of TSS (91%), TDS (46%), BOD (88%), COD (87%) was observed over the 15 week operational period of the secondary WWT system. The WWT system developed was appropriate as a sustainable WWT system that consumed less energy and had lower operational costs.
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kanwar2019developmentwater Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Kanwar, Rana Muhammad Asif;Khan, Zahid Mahmood;Farid, Hafiz Umar;
Journal water science and technology : a journal of the international association on water pollution research
Year 2019
DOI
10.2166/wst.2019.403
URL
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