A bioelectrochemical-system-based trickling filter reactor for wastewater treatment

Liang, Qiaochu; Yamashita, Takahiro; Koike, Kazuyoshi; Matsuura, Norihisa; Honda, Ryo; Hara-Yamamura, Hiroe; Yokoyama, Hiroshi; Yamamoto-Ikemoto, Ryoko

doi:10.1016/j.biortech.2020.123798

Cited by 8 publications

(3 citation statements)

References 36 publications

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“…A high specific surface provides a large area for biofilm formation. Organisms that grow in the thin biofilm over the surface of the media oxidize the organic load in the wastewater to carbon-dioxide and water, while generating new biomass (Liang Q et al 2020 ). The incoming pre-treated wastewater is ‘trickled’ over the filter, e.g., with the use of a rotating sprinkler.…”

Section: Strategies Involved In Wastewater Treatmentmentioning

confidence: 99%

A comprehensive review on comparison among effluent treatment methods and modern methods of treatment of industrial wastewater effluent from different sources

Sathya¹,

Nagarajan²,

Malar³

et al. 2022

Appl Water Sci

115

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In recent years, rapid development in the industrial sector has offered console to the people but at the same time, generates numerous amounts of effluent composed of toxic elements like nitrogen, phosphorus, hydrocarbons, and heavy metals that influences the environment and mankind hazardously. While the technological advancements are made in industrial effluent treatment, there arising stretch in the techniques directing on hybrid system that are effective in resource recovery from effluent in an economical, less time consuming and viable manner. The key objective of this article is to study, propose and deliberate the process and products obtained from different industries and the quantity of effluents produced, and the most advanced and ultra-modern theoretical and scientific improvements in treatment methods to remove those dissolved matter and toxic substances and also the challenges and perspectives in these developments. The findings of this review appraise new eco-friendly technologies, provide intuition into the efficiency in contaminants removal and aids in interpreting degradation mechanism of toxic elements by various treatment assemblages.

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Section: Strategies Involved In Wastewater Treatmentmentioning

confidence: 99%

A comprehensive review on comparison among effluent treatment methods and modern methods of treatment of industrial wastewater effluent from different sources

Sathya¹,

Nagarajan²,

Malar³

et al. 2022

Appl Water Sci

115

View full text Add to dashboard Cite

show abstract

“…Despite being a relatively well-known technology with promising results, the literature still concentrates on bench and pilot scales. Liang et al (2020) [26] proposed a bench-scale bioelectrochemical trickling filter that uses semi-immersed electrodes in sewage water for two months, obtaining 97% COD removal at an organic load ratio of OLR = 1.0 kg COD /m 3 /d. Forbis-Stokes et al (2020) [27] reported three-staged filters that combine a crushed-charcoal trickling filter, a bamboo woodchip filter, and a scrap iron filter, showing that the filters removed 73-82% turbidity, 67-75% COD, and 31-50% phosphorus.…”

Section: Trickling Filtermentioning

confidence: 99%

Sewage-Water Treatment and Sewage-Sludge Management with Power Production as Bioenergy with Carbon Capture System: A Review

2022

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Sewage-water treatment comprehends primary, secondary, and tertiary steps to produce reusable water after removing sewage contaminants. However, a sewage-water treatment plant is typically a power and energy consumer and produces high volumes of sewage sludge mainly generated in the primary and secondary steps. The use of more efficient anaerobic digestion of sewage water with sewage sludge can produce reasonable flowrates of biogas, which is shown to be a consolidated strategy towards the energy self-sufficiency and economic feasibility of sewage-water treatment plants. Anaerobic digestion can also reduce the carbon footprint of energy sources since the biogas produced can replace fossil fuels for electricity generation. In summary, since the socio-economic importance of sewage treatment is high, this review examined works that contemplate: (i) improvements of sewage-water treatment plant bioenergy production and economic performances; (ii) the exploitation of technology alternatives for the energy self-sufficiency of sewage-water treatment plants; (iii) the implementation of new techniques for sewage-sludge management aiming at bioenergy production; and (iv) the implementation of sewage-water treatment with bioenergy production and carbon capture and storage.

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“…In natural systems, such as soil (Pérez Castro et al, 2019; Hao et al, 2021) and water (Morrison et al, 2017; Teachey et al, 2019), 16S rRNA gene amplicon sequencing analysis is used to confirm the effects of environmental factors on the composition and diversity of microorganisms. Microbial analysis is also used to assess and monitor the composition of microbial communities in artificial ecosystems, such as methane fermentation (Shimizu et al, 2022; Yu et al, 2018) and biological water treatment processes (Liang et al, 2020; Matsuura et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

A quantitative sequencing method using synthetic internal standards including functional and phylogenetic marker genes

Koike

Honda

Aoki

et al. 2023

Environ Microbiol Rep

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The method of spiking synthetic internal standard genes (ISGs) to samples for amplicon sequencing, generating sequences and converting absolute gene numbers from read counts has been used only for phylogenetic markers and has not been applied to functional markers. In this study, we developed ISGs, including gene sequences of the 16S rRNA, pmoA, encoding a subunit of particulate methane monooxygenase and amoA, encoding a subunit of ammonia monooxygenase. We added ISGs to the samples, amplified the target genes and performed amplicon sequencing. For the mock community, the copy numbers converted from read counts using ISGs were equivalent to those obtained by the quantitative real‐time polymerase chain reaction (4.0 × 104 versus 4.1 × 104 and 3.0 × 103 versus 4.0 × 103 copies μL‐DNA−1 for 16S rRNA and pmoA genes, respectively), but we also identified underestimation, possibly due to primer coverage (7.8 × 102 versus 3.7 × 103 μL‐DNA−1 for amoA gene). We then applied this method to environmental samples and analysed phylogeny, functional diversity and absolute quantities. One Methylocystis population was most abundant in the sludge samples [16S rRNA gene (3.8 × 109 copies g−1) and the pmoA gene (2.3 × 109 copies g−1)] and were potentially interrelated. This study demonstrates that ISG spiking is useful for evaluating sequencing data processing and quantifying functional markers.

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A bioelectrochemical-system-based trickling filter reactor for wastewater treatment

Cited by 8 publications

References 36 publications

A comprehensive review on comparison among effluent treatment methods and modern methods of treatment of industrial wastewater effluent from different sources

A comprehensive review on comparison among effluent treatment methods and modern methods of treatment of industrial wastewater effluent from different sources

Sewage-Water Treatment and Sewage-Sludge Management with Power Production as Bioenergy with Carbon Capture System: A Review

A quantitative sequencing method using synthetic internal standards including functional and phylogenetic marker genes

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