Nutrient removal by up-scaling a hybrid floating treatment bed (HFTB) using plant and periphyton: From laboratory tank to polluted river

Liu, Junzhuo; Wang, Fengwu; Liu, Wei; Tang, Cilai; Wu, Chenxi; Wu, Yonghong

doi:10.1016/j.biortech.2016.02.011

Cited by 68 publications

(22 citation statements)

References 35 publications

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“…The consortium can grow on multiple substrates such as wooden and plastic plates (Mulbry et al, 2010;Liu et al, 2016a), cotton sheet (Gross et al, 2015a), PVC (Shangguan et al, 2015) and elastic stuffing substrate (Liu et al, 2016c). Overall, materials with rough surface and/or porous structure (e.g., cotton sheet, fiberglass, nylon netting) promote the attachment of algal-bacterial consortia.…”

Section: Attached Microalgae-bacteria Consortium In Advanced Nutrientmentioning

confidence: 99%

“…Wu et al (2011) planted a substrate ''Artificial Aquatic Mats" as a phototrophic bioreactor in a contaminated watershed with different lengths used depending on the water depth. Liu et al (2016c) installed microalgae-bacteria consortium under a planted floating treatment bed to improve the in-situ remediation efficiency of deep and static river water. Overall, the large number of existing photobioreactor configurations facilitate the application of attached microalgae-bacteria consortium for the treatment of polluted surface waters (Mulbry et al, 2008;Renuka et al, 2015).…”

Section: Attached Microalgae-bacteria Consortium In Advanced Nutrientmentioning

confidence: 99%

“…As a result of the poor control of consortium composition in outdoors photobioreactor, the maintenance in the consortium of functional microorganisms required for sustainable and effective nutrient removal remains a technical challenge (Liu et al, 2016c). Despite various species of microalgae and bacteria cooperate in the consortium, a better identification of their specific roles could greatly help in selecting the most robust species for the optimization of the community structure to finally boost the nutrient removal efficiency of the technology.…”

Section: Control Of Consortium Composition and Systems Performancementioning

confidence: 99%

“…Contaminated surface waters are characterized by relatively low nutrient concentrations compared to raw wastewater: e.g., total nitrogen (TN) <10 mg L À1 and total phosphorus (TP) <1.0 mg L À1 (Hu et al, 2010;Dunne et al, 2013;Liu et al, 2016c). However, TN and TP must be reduced to much lower levels to avoid eutrophication and foster a healthy aquatic ecosystem (Hernández-Crespo et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

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Advanced nutrient removal from surface water by a consortium of attached microalgae and bacteria: A review

Liu

et al. 2017

Bioresource Technology

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272

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Section: Attached Microalgae-bacteria Consortium In Advanced Nutrientmentioning

confidence: 99%

Section: Attached Microalgae-bacteria Consortium In Advanced Nutrientmentioning

confidence: 99%

Section: Control Of Consortium Composition and Systems Performancementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Advanced nutrient removal from surface water by a consortium of attached microalgae and bacteria: A review

Liu

et al. 2017

Bioresource Technology

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272

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“…from runoff are some of the measures used to control agricultural non-point source pollution [19]. Wu et al reviewed ecological engineering solutions to control rural non-point source water pollution, and recommend the adoption of best management practices, including the use of vegetated filter strips, ecological ditches, constructed wetlands, and biogas plants [20]. A paddy eco-ditch and wetland system can dramatically reduce TN and TP losses by 87.8% and 70.4%, respectively [21].…”

Section: Introductionmentioning

confidence: 99%

Integrating Ecological Restoration of Agricultural Non-Point Source Pollution in Poyang Lake Basin in China

Cai

Shi²,

Pan

et al. 2017

Water

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This study addresses the excessive consumption of river basin water from the Poyang Lake area in China. Consumption of water for irrigation, together with the discharge of agricultural non-point source pollution, is seriously affecting the water quality of Poyang Lake. This study assesses the application of integrated ecological restoration technology for agricultural non-point source pollution in the Ganfu Plain Area, which is an important agricultural production base in the Poyang Lake basin. The results indicated that the water-fertilizer comprehensive regulation mode for double-cropping rice provided water savings of 10.4% and increased rice yield by 6.5% per hectare. Furthermore, it reduced drainage water pollution by 20.4%, and emissions of ammonium nitrogen (NH 4 + -N), nitrate nitrogen (NO 3 − -N), total phosphorus (TP), and total nitrogen (TN) from rice paddy surfaces by 18.6%, 11.1%, 15.4%, and 16.0%, respectively. The eco-channel-pond wetland system effectively reduced TN and TP pollutant levels in rice paddy drainage water; the eco-channel reduced TN and TP by 9.3% and 14.0%, respectively; and the pond wetland system showed reductions of 8.6% and 22.9%, respectively. The "three lines of defense" purification technology, including rice field source control, eco-channel interception, and pond wetland purification, removed 29.9% of TN and 44.3% of TP.

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Regulating Nutrients and Phytoplankton by Extending the Habitats of Periphyton in a Deep River‐Type Reservoir

Peng

Qin

et al. 2018

CLEAN Soil Air Water

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Eutrophication and phytoplankton blooms threaten the water quality of many, reservoirs especially deep ones. Periphyton is an important component of aquatic ecosystems that can compete with phytoplankton for light and nutrients. However, studies on the dynamics of periphyton development in deep reservoirs are rare. Here, the growth characteristics of periphyton on the artificial substrate (AS) in both open water and enclosures of the Three Gorges Reservoir (TGR) are investigated. The development and relative importance of periphyton are analyzed. The results indicate that mass growth of periphyton is observed on the AS platforms after several weeks. A potential phosphorus limitation for periphyton development in the TGR is evidenced by the relatively high TN/TP ratio in the water column. The differences of phytoplankton biomass in two enclosures suggest the existence of interactions between phytoplankton and periphyton. The results indicate that the artificially loaded AS on the water surface of the deep reservoir leads to the redistribution of nutrients and light between phytoplankton and periphyton. The results are very encouraging because the use of AS for periphyton incubation is an economical and practical way to reduce the probability of phytoplankton blooms in deep reservoirs, especially when the nutrient loads cannot be reduced effectively in a short period.

show abstract

Nutrient removal by up-scaling a hybrid floating treatment bed (HFTB) using plant and periphyton: From laboratory tank to polluted river

Cited by 68 publications

References 35 publications

Advanced nutrient removal from surface water by a consortium of attached microalgae and bacteria: A review

Advanced nutrient removal from surface water by a consortium of attached microalgae and bacteria: A review

Integrating Ecological Restoration of Agricultural Non-Point Source Pollution in Poyang Lake Basin in China

Regulating Nutrients and Phytoplankton by Extending the Habitats of Periphyton in a Deep River‐Type Reservoir

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