Combining a novel biofilm reactor with a constructed wetland for rural, decentralized wastewater treatment

Zhang, Rui; Liu, Xianchang; Wang, Lutian; Xu, Pan; Li, Kai; Chen, Xiaoxiao; Rong, Meng; Pu, Yuewu; Yang, Xuetong; Rousseau, Diederik P.L.; Hulle, Stijn Van

doi:10.1016/j.cej.2022.140906

Cited by 13 publications

(1 citation statement)

References 89 publications

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“…No biofilm growth was noticed below 15 cm depth. Brick can be used in top layer which might increases the efficiency of constructed wetland in terms of nutrient removal and increasing the microbial population and our results clearly indicated that biofilm growth requires good aeration and sunlight with nutrients [20].…”

Section: Biofilm Developmenton Different Filterbed Materials After 12...mentioning

confidence: 63%

Enzymatic Activities in the Rhizosphere Soil as Influenced by Filterbeds and Hydrophytes in the Vertically Constructed Wetland

Vanitha, T.,

Hebbara,

Manjunatha

2024

AJSSPN

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An experiment with different filter beds and macrophytes was carried out to study their phytoremediation capacity on the efficiency of domestic wastewater treatment through constructed wetland (CW) at the University of Agricultural Sciences, Dharwad campus, Karnataka, between November 2017 and March 2018. Twenty treatment combinations involving five types of filter beds (FB-1: gravel, FB-2: gravel-sand-gravel, FB-3: gavel-sand-brick-gravel, FB-4: gravel-sand-charcoal-gravel and FB-5: gravel-sand-(charcoal+brick)-gravel) and four macrophytes (MP-1: Typha latifolia, MP-2: Brachiaria mutica, MP-3: Canna indica and MP-4: Phragmites sp.) were evaluated for treating domestic waste water. After 120 days from the start, across treatment combinations, the plant in each column was uprooted, and the soil adhered to the root was collected in a polyethylene cover. The samples were brought to the laboratory, refrigerated, and then analysed for dehydrogenase, phosphatase, and urease activities, as well as for biofilm formation. Results revealed that the highest biofilm growth was observed on brick (1.18 and 0.05 mg g-1) had the maximum biofilm formation, followed by sand (0.68 and 0.04 mg g-1), charcoal (0.67 and 0.02 mg g-1), and gravel (0.31 and 0.01 mg g-1) at depths ranging from 0 to 5 and 5 to 15 cm, respectively. Since the CW can be implemented with flexibility, it can be used as the primary, secondary or tertiary treatment stage depending on the site and its configuration.

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Section: Biofilm Developmenton Different Filterbed Materials After 12...mentioning

confidence: 63%

Enzymatic Activities in the Rhizosphere Soil as Influenced by Filterbeds and Hydrophytes in the Vertically Constructed Wetland

Vanitha, T.,

Hebbara,

Manjunatha

2024

AJSSPN

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Understanding removal of microplastics in constructed wetlands: processes, performance, and impacts

Wang,

Ilyas,

Van Hulle

et al. 2025

Emerging Developments in Constructed Wetlands

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Carbon capture from petrol-engine flue gas: Reviving algae-based sequestration with integrated microbial fuel cells

Sharma,

Sarkar,

Chhabra

et al. 2023

Chemical Engineering Journal

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Combining a novel biofilm reactor with a constructed wetland for rural, decentralized wastewater treatment

Cited by 13 publications

References 89 publications

Enzymatic Activities in the Rhizosphere Soil as Influenced by Filterbeds and Hydrophytes in the Vertically Constructed Wetland

Enzymatic Activities in the Rhizosphere Soil as Influenced by Filterbeds and Hydrophytes in the Vertically Constructed Wetland

Understanding removal of microplastics in constructed wetlands: processes, performance, and impacts

Carbon capture from petrol-engine flue gas: Reviving algae-based sequestration with integrated microbial fuel cells

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