Effect of Hydraulic Retention Time on the Treatment of Pulp and Paper Industry Wastewater by Extended Aeration Activated Sludge System

Jagaba, A.H. and Kutty, S.R.M. and Baloo, L. and Noor, A. and Abubakar, S. and Lawal, I.M. and Umaru, I. and Usman, A.K. and Kumar, V. and Birniwa, A.H. (2021) Effect of Hydraulic Retention Time on the Treatment of Pulp and Paper Industry Wastewater by Extended Aeration Activated Sludge System. In: UNSPECIFIED.

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Abstract

The pulp and paper industry produce dark-colored effluent with high levels of organic matter and nutrients. As a result, a biological treatment system consisting of an aeration tank containing 3.5-6 g/L starting biomass and a clarifier chamber was set up in this investigation. After acclimation, the reactor was driven at a flow rate of 5 L/day for a few weeks at 48h, 24h, and 12h HRT. All through the investigation, the concentrations of organic and nutrient parameters are measured in the influent and effluent samples and documented for data processing. The results reveal that ammonia has satisfactorily met the Standard 'A' standard limits of 10 mg/L after 24 hours of HRT. As a result, reduction efficiencies for nitrate and COD were 80.5 and 95, respectively. Surprisingly, the majority of the effluent COD readings met the acceptable standard, so no additional testing is required. The mean BOD concentration in effluent was found to be 4.54 mg/L. © 2021 IEEE.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Impact Factor: cited By 1
Uncontrolled Keywords: Activated sludge process; Biochemical oxygen demand; Data handling; Effluents; Nutrients; Paper and pulp industry; Pulp; Wastewater treatment, Activated sludge; Chemical-oxygen demands; Extended aerations; Flowrate; Hydraulic retention; Organics; Pulp and paper industry; Pulp and paper wastewater; Retention time; Treatment, Ammonia, Aeration; Biological Treatment; Chemical Oxygen Demand; Effluents; Pulp Industry; Standards
Depositing User: Ms Sharifah Fahimah Saiyed Yeop
Date Deposited: 25 Mar 2022 01:03
Last Modified: 25 Mar 2022 01:03
URI: http://scholars.utp.edu.my/id/eprint/29164

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