Using co-occurrence network to explore the effects of bio-augmentation on the microalgae-based wastewater treatment process

Luo, Longzao; Lin, Xiaoai; Zeng, Fanjian; Wang, Min; Luo, Shuang; Lu, Peng; Tian, Guangming

doi:10.1016/j.bej.2018.10.001

Cited by 25 publications

(9 citation statements)

References 39 publications

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“…Therefore, future studies are needed to measure the feasibility for the application of the co-culture system in the feed industry. The current research on algae-yeast co-culture show that the nutrient removal efficiencies were improved and the growth of algae was improved, [17][18][19] however, the relationship and interaction between them in piggery wastewater has not been investigated. The co-culture algae-yeast and microbiota alterations exert profound effects on wastewater treatment.…”

Section: Introductionmentioning

confidence: 99%

Co-cultivation of Rhodotorula glutinis and Chlorella pyrenoidosa to improve nutrient removal and protein content by their synergistic relationship

Zhong

et al. 2019

RSC Adv.

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Section: Introductionmentioning

confidence: 99%

Co-cultivation of Rhodotorula glutinis and Chlorella pyrenoidosa to improve nutrient removal and protein content by their synergistic relationship

Zhong

et al. 2019

RSC Adv.

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“…Therefore, the Rs rate was also likely to be regulated by the effect of microalgae on bacteria. Although there is no study to explore this phenomenon in soil, related investigations in wastewater treatment have clearly proved that microalgae can affect the organic matter degradation efficiency of bacteria (Luo et al, 2019; Ryu et al, 2015). These cases provided strong support for our research results.…”

Section: Discussionmentioning

confidence: 99%

Linkages between soil respiration and soil eukaryotic microalgae following vegetation restoration in the Loess Plateau, China

Zhang

2022

Land Degrad Dev

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Eukaryotic microalgae are widespread in soil. They are generally considered to participate in soil development and the formation of the soil food chain. Interestingly, some microalgae can grow in heterotrophic mode. Therefore, it is a reasonable speculation that eukaryotic microalgae may participate in the process of soil respiration (Rs) via the heterotrophic metabolism of soil organic matter. Nevertheless, the mechanism is not well understood. Here, we investigated the eukaryotic microalgal community in farmland and plantation/grassland soil via high-throughput sequencing focusing on the Loess Plateau, China. Chlorophyta, Chrysophyta, Cryptophyta, Bacillariophyta, Dinophyta, Xanthophyta, and Haptophyta were found in all samples. Nevertheless, the biomarker for farmland soil was affiliated to Chlorophyta and Xanthophyta, whereas the biomarker for plantation/grassland soil was affiliated to Chrysophyta. Moreover, the distribution of soil microalgae was strongly dependent on soil pH, organic matter, and nitrogen. In addition, afforestation significantly decreased Rs rate, which was significantly related to the soil microalgal community, especially 11 taxa of eukaryotic microalgae affiliating to Chlorophyta and Chrysophyta. Meanwhile, the interaction between microalgae and bacteria in farmland soil was stronger than that in plantation/grassland soil, which was also likely to affect Rs rate. These results suggest that beyond plants, soil eukaryotic microalgae are functionally significant but rarely considered participants of Rs. Therefore, they should be considered when investigating soil carbon cycling.

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“…Several wastewater treatment strategies exist today, including coagulation-flocculation, electrochemical treatment, adsorption, ion-exchange, ultrafiltration, chemical and physical precipitation, and activated sludge (AS) wastewater treatment ( Najafi et al, 2022 ; Guo et al, 2023 ). These conventional treatment methods require intensive energy inputs and extensive land, and incur high operational and maintenance costs ( Luo et al, 2019 ).…”

Section: Introductionmentioning

confidence: 99%

Native microalgal-bacterial consortia from the Ecuadorian Amazon region: an alternative to domestic wastewater treatment

López-Patiño,

Cárdenas-Orrego,

Torres

et al. 2024

Front. Bioeng. Biotechnol.

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In low-middle income countries (LMIC), wastewater treatment using native microalgal-bacterial consortia has emerged as a cost-effective and technologically-accessible remediation strategy. This study evaluated the effectiveness of six microalgal-bacterial consortia (MBC) from the Ecuadorian Amazon in removing organic matter and nutrients from non-sterilized domestic wastewater (NSWW) and sterilized domestic wastewater (SWW) samples. Microalgal-bacterial consortia growth, in NSWW was, on average, six times higher than in SWW. Removal rates (RR) for NH4+- N and PO43−-P were also higher in NSWW, averaging 8.04 ± 1.07 and 6.27 ± 0.66 mg L−1 d−1, respectively. However, the RR for NO3− -N did not significantly differ between SWW and NSWW, and the RR for soluble COD slightly decreased under non-sterilized conditions (NSWW). Our results also show that NSWW and SWW samples were statistically different with respect to their nutrient concentration (NH4+-N and PO43−-P), organic matter content (total and soluble COD and BOD5), and physical-chemical parameters (pH, T, and EC). The enhanced growth performance of MBC in NSWW can be plausibly attributed to differences in nutrient and organic matter composition between NSWW and SWW. Additionally, a potential synergy between the autochthonous consortia present in NSWW and the native microalgal-bacterial consortia may contribute to this efficiency, contrasting with SWW where no active autochthonous consortia were observed. Finally, we also show that MBC from different localities exhibit clear differences in their ability to remove organic matter and nutrients from NSWW and SWW. Future research should focus on elucidating the taxonomic and functional profiles of microbial communities within the consortia, paving the way for a more comprehensive understanding of their potential applications in sustainable wastewater management.

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Using co-occurrence network to explore the effects of bio-augmentation on the microalgae-based wastewater treatment process

Cited by 25 publications

References 39 publications

Co-cultivation of Rhodotorula glutinis and Chlorella pyrenoidosa to improve nutrient removal and protein content by their synergistic relationship

Co-cultivation of Rhodotorula glutinis and Chlorella pyrenoidosa to improve nutrient removal and protein content by their synergistic relationship

Linkages between soil respiration and soil eukaryotic microalgae following vegetation restoration in the Loess Plateau, China

Native microalgal-bacterial consortia from the Ecuadorian Amazon region: an alternative to domestic wastewater treatment

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