Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewedConventional

The performance and mechanism of biochar-enhanced constructed wetland for wastewater treatment

Lin-Lan Zhuang, Mengting Li, Yingfei Li, Lijie Zhang, Xiaoli Xu, Haiming Wu, Shuang Liang, Chang Su, Jian Zhang

Journal of Water Process Engineering · 2021

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Summary

This 2021 investigation explores biochar as a functional amendment in constructed wetland systems, examining both treatment performance and mechanistic pathways for water purification enhancement. The work suggests biochar-enhanced wetlands operate through multiple simultaneous processes—direct adsorption, microbial community modulation, and nutrient cycling stimulation—indicating synergistic rather than single-pathway mechanisms. The findings have potential applicability to agricultural and rural water treatment contexts, though effect sizes and transferability to field conditions warrant examination of the full paper.

Regional applicability

The study's applicability to United Kingdom conditions depends on the climate, wastewater composition, and system design parameters used. Agricultural and rural water treatment in the UK could benefit from biochar-enhanced wetlands, particularly for on-farm or small-scale systems, though site-specific adaptation would be necessary.

Key measures

Wastewater treatment efficiency metrics; biochar adsorption capacity; microbial community composition; nutrient removal rates

Outcomes reported

The study examined treatment performance and mechanistic pathways of biochar-enhanced constructed wetlands for wastewater purification. Multiple simultaneous processes including adsorption, microbial community modulation, and nutrient cycling were assessed.

Theme
Farming systems, soils & land use
Subject
Other / interdisciplinary
Study type
Research
Study design
Field trial or laboratory study
Source type
Peer-reviewed study
Status
Published
Geography
China
System type
Other
DOI
10.1016/j.jwpe.2021.102522
Catalogue ID
SNmpeyurld-21ukew

Topic tags

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