A systematic review on greenhouse gas emissions from constructed wetlands: Focusing on effects of planting strategies and emission reduction measures

IF 6.3 2区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of water process engineering Pub Date : 2024-12-01 DOI:10.1016/j.jwpe.2024.106696

Qianyin Yuan , Jianjun Lian , Fei Yang , Maocai Shen , Yulai Wang , Qiaoping Kong , Bo Chen , Xiao Cai , Haocheng Tao , Haiming Wu

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Abstract

Constructed wetlands (CWs) are considered a cost-effective, energy-efficient, and multi-functional technology for sustainable wastewater treatment. However, CWs can also emit significant amounts of greenhouse gases (GHGs) during the treatment process, potentially contributing to environmental “secondary pollution.” As essential components of CWs, plants play a critical role in GHG emissions. This review provides a comprehensive analysis of GHGs emissions in CWs, focusing on the influence of plant species, species diversity, and harvesting practices. By examining 534 studies published in international journals indexed in the Web of Science Core Collection from 2009 to 2023, this paper highlights the impact of plant selection and management on GHGs emissions in CWs. Additionally, we summarize emission reduction strategies for CWs, offering insights for optimizing plant choices and management practices to minimize GHGs emissions, enhancing both environmental and ecological benefits.

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来源期刊

Journal of water process engineering Biochemistry, Genetics and Molecular Biology-Biotechnology

CiteScore

10.70

自引率

8.60%

发文量

846

审稿时长

24 days

期刊介绍： The Journal of Water Process Engineering aims to publish refereed, high-quality research papers with significant novelty and impact in all areas of the engineering of water and wastewater processing . Papers on advanced and novel treatment processes and technologies are particularly welcome. The Journal considers papers in areas such as nanotechnology and biotechnology applications in water, novel oxidation and separation processes, membrane processes (except those for desalination) , catalytic processes for the removal of water contaminants, sustainable processes, water reuse and recycling, water use and wastewater minimization, integrated/hybrid technology, process modeling of water treatment and novel treatment processes. Submissions on the subject of adsorbents, including standard measurements of adsorption kinetics and equilibrium will only be considered if there is a genuine case for novelty and contribution, for example highly novel, sustainable adsorbents and their use: papers on activated carbon-type materials derived from natural matter, or surfactant-modified clays and related minerals, would not fulfil this criterion. The Journal particularly welcomes contributions involving environmentally, economically and socially sustainable technology for water treatment, including those which are energy-efficient, with minimal or no chemical consumption, and capable of water recycling and reuse that minimizes the direct disposal of wastewater to the aquatic environment. Papers that describe novel ideas for solving issues related to water quality and availability are also welcome, as are those that show the transfer of techniques from other disciplines. The Journal will consider papers dealing with processes for various water matrices including drinking water (except desalination), domestic, urban and industrial wastewaters, in addition to their residues. It is expected that the journal will be of particular relevance to chemical and process engineers working in the field. The Journal welcomes Full Text papers, Short Communications, State-of-the-Art Reviews and Letters to Editors and Case Studies