Bioaugmentation with Acinetobacter sp. TAC-1 to enhance nitrogen removal in swine wastewater by moving bed biofilm reactor inoculated with bacteria

Chen, Xue; Yuan, Chunbo; Zhu, Yunan; Liu, Huan; Chen, Wang; Zhang, Qian

doi:10.1016/j.biortech.2022.127506

Cited by 27 publications

(2 citation statements)

References 35 publications

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“…The pH was determined by a Rex pH meter (PHS-25, Yidian Scientific Instrument Co., Ltd., Shanghai, China), NH + 4 -N was determined using the Nash reagent photometry method [19], and PO 3− 4 -P was determined using molybdenum-antimony resistance spectrophotometry [20]. K 2 Cr 2 O 7 was used as an oxidant, and COD was measured using a COD analyzer (DR1010, HACH, USA) [21]. The pollutant removal efficiency D (%) and removal rate E (mg/L/d) were calculated according to Equations ( 6) and (7), respectively:…”

Section: Measurement Of Water Quality Of Swine Wastewatermentioning

confidence: 99%

Sustainable Treatment of Swine Wastewater: Optimizing the Culture Conditions of Tetradesmus cf. obliquus to Improve Treatment Efficiency

Bai,

Qu,

Song

et al. 2024

Sustainability

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To enhance the sustainability of microalgae-based swine wastewater treatment, this study aims to address the challenges of low efficiency in treating raw swine wastewater, collection difficulties, and high energy consumption treatment processes. The microalgae with strong environmental tolerance were first screened from swine wastewater, and its cultivation conditions were optimized to examine the effect of microalgae treatment on swine wastewater under optimal cultivation conditions. Additionally, the flocculation efficiency and mechanism of microalgae were analyzed. The results showed that Tetradesmus cf. obliquus ZYY1 exhibited the most robust heterotrophic growth. In the BG11 medium supplemented with glucose, the growth rate of T. cf. obliquus ZYY1 under chemoheterotrophic conditions was superior to its growth under photoheterotrophic conditions, reaching its peak with an optimal glucose concentration of 15 g/L. The biomass concentration of T. cf. obliquus ZYY1 in raw wastewater was significantly higher than that in sterilized wastewater, which reached 1.65 ± 0.01 g/L on the 10th day of treatment, with removal efficiencies of -N, -P, and the chemical oxygen demand reached 71.36%, 96.09%, and 93.13%, respectively. After raw wastewater treatment, the flocculation efficiency of T. cf. obliquus ZYY1 reached 97.71 ± 5.81%. This was attributed to the bacteria present in the raw wastewater, which induced T. cf. obliquus ZYY1 to secrete aromatic proteins. This study emphasizes the potential of microalgae as a green technology for sustainable wastewater treatment, offering a practical pathway for environmental protection and resource conservation.

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Section: Measurement Of Water Quality Of Swine Wastewatermentioning

confidence: 99%

Sustainable Treatment of Swine Wastewater: Optimizing the Culture Conditions of Tetradesmus cf. obliquus to Improve Treatment Efficiency

Bai,

Qu,

Song

et al. 2024

Sustainability

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show abstract

“…The moving bed biofilm reactor (MBBR) is a wastewater treatment process that uses plastic carriers with a buoyancy close to water to support the development of the bioactive microbial biofilm [3,4]. This MMBR technology benefits by inoculation with bacterial strains with organic pollutant degradation ability and promoting biofilm formation [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Bioaugmentation Performance of a Bacterial Consortium for Moving Bed Biofilm Reactor (MBBR) Treating Municipal Wastewater

Brettfeld,

Cheoafa,

Constantinescu-Aruxandei

et al. 2023

Priochem 2023

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Thauera sp. for efficient nitrate removal in continuous denitrifying moving bed biofilm reactor

Patel,

Nerurkar

2024

Bioprocess Biosyst Eng

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Bioaugmentation with Acinetobacter sp. TAC-1 to enhance nitrogen removal in swine wastewater by moving bed biofilm reactor inoculated with bacteria

Cited by 27 publications

References 35 publications

Sustainable Treatment of Swine Wastewater: Optimizing the Culture Conditions of Tetradesmus cf. obliquus to Improve Treatment Efficiency

Sustainable Treatment of Swine Wastewater: Optimizing the Culture Conditions of Tetradesmus cf. obliquus to Improve Treatment Efficiency

Bioaugmentation Performance of a Bacterial Consortium for Moving Bed Biofilm Reactor (MBBR) Treating Municipal Wastewater

Thauera sp. for efficient nitrate removal in continuous denitrifying moving bed biofilm reactor

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