Removal of nitrogen and phosphorus in batch reactors with fibrous packing

Fang, Hhp; Ling, Jackson W.C.

doi:10.1016/0960-8524(95)00068-p

Bioresource Technology

1995

DOI: 10.1016/0960-8524(95)00068-p

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Removal of nitrogen and phosphorus in batch reactors with fibrous packing

Hhp Fang

Jackson W.C. Ling

Abstract: The sequencing-batch-reactor process, which has become popular in recent years, is effective for the removal of chemical oxygen demand (COD) remove, on average, 89"9% of COD,.2% of total-P from domestic wastewater at 24°C. The sludge yield was estimated as 0"22 g-VSS/g-COD removed.

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Cited by 7 publications

References 10 publications

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Optimization of Three Operating Parameters for a Two-Step Fed Sequencing Batch Reactor (SBR) System to Remove Nutrients from Swine Wastewater

Zhu

Cheng

et al. 2015

Appl Biochem Biotechnol

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In this study, the effect of three operating parameters, i.e., the first/second volumetric feeding ratio (milliliters/milliliters), the first anaerobic/aerobic (an/oxic) time ratio (minute/minute), and the second an/oxic time ratio (minute/minute), on the performance of a two-step fed sequencing batch reactor (SBR) system to treat swine wastewater for nutrients removal was examined. Central Composite Design, coupled with Response Surface Methodology, was employed to test these parameters at five levels in order to optimize the SBR to achieve the best removal efficiencies for six response variables including total nitrogen (TN), ammonium nitrogen (NH4-N), total phosphorus (TP), dissolved phosphorus (DP), chemical oxygen demand (COD), and biochemical oxygen demand (BOD). The results showed that the three parameters investigated had significant impact on all the response variables (TN, NH4-N, TP, DP, COD, and BOD), although the highest removal efficiency for each individual responses was associated with different combination of the three parameters. The maximum TN, NH4-N, TP, DP, COD, and BOD removal efficiencies of 96.38%, 95.38%, 93.62%, 94.3%, 95.26%, and 92.84% were obtained at the optimal first/second volumetric feeding ratio, first an/oxic time ratio, and second an/oxic time ratio of 3.23, 0.4, and 0.8 for TN; 2.64, 0.72, and 0.76 for NH4-N; 3.08, 1.16, and 1.07 for TP; 1.32, 0.81, and 1.0 for DP; 2.57, 0.96, and 1.12 for COD; and 1.62, 0.64, and 1.61 for BOD, respectively. Good linear relationships between the predicted and observed results for all the response variables were observed.

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Optimization of Three Operating Parameters for a Two-Step Fed Sequencing Batch Reactor (SBR) System to Remove Nutrients from Swine Wastewater

Zhu

Cheng

et al. 2015

Appl Biochem Biotechnol

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Microfiber structure for enhanced immobilization of nitrifying bacteria in a post-nitrification reactor

Svobodová

Havlíček

Nechanická

et al. 2021

Environmental Technology & Innovation

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Coupling of sequencing batch reactor and mesh filtration: Operational parameters and wastewater treatment performance

et al. 2005

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Removal of nitrogen and phosphorus in batch reactors with fibrous packing

Abstract: The sequencing-batch-reactor process, which has become popular in recent years, is effective for the removal of chemical oxygen demand (COD) remove, on average, 89"9% of COD,.2% of total-P from domestic wastewater at 24°C. The sludge yield was estimated as 0"22 g-VSS/g-COD removed.

Cited by 7 publications

References 10 publications

Optimization of Three Operating Parameters for a Two-Step Fed Sequencing Batch Reactor (SBR) System to Remove Nutrients from Swine Wastewater

Optimization of Three Operating Parameters for a Two-Step Fed Sequencing Batch Reactor (SBR) System to Remove Nutrients from Swine Wastewater

Microfiber structure for enhanced immobilization of nitrifying bacteria in a post-nitrification reactor

Coupling of sequencing batch reactor and mesh filtration: Operational parameters and wastewater treatment performance

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